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NASA Welcomes Latvia as Newest Artemis Accords Signatory  

2026-04-20 16:01

Dace Melbārde, Latvia’s Minister for Education and Science, second from right, signs the Artemis Accords, as NASA Administrator Jared Isaacman, second from left, Jacob Helberg, U.S. Under Secretary of State for Economic Affairs, left, and Jānis Beķeris, Chargé D’Affaires a.i. at the Embassy of the Republic of Latvia to the United States, right, look on Monday, April 20, 2026, at the Mary W. Jackson NASA Headquarters building in Washington. The Artemis Accords graphic of all signatory flags is behind them.
Latvia’s Minister for Education and Science Dace Melbārde, second from right, signs the Artemis Accords, as NASA Administrator Jared Isaacman, second from left, U.S. Under Secretary of State for Economic Affairs Jacob Helberg, left, and chargé d’affaires a.i. at the Embassy of the Republic of Latvia to the United States Jānis Beķeris, right, look on Monday, April 20, 2026, at the Mary W. Jackson NASA Headquarters building in Washington.
NASA/Joel Kowsky

The Republic of Latvia signed the Artemis Accords Monday during a ceremony hosted by NASA at the agency’s headquarters in Washington, becoming the 62nd nation to commit to responsible space exploration for all humanity. 

“We are proud to welcome Latvia to the Artemis Accords,” said NASA Administrator Jared Isaacman. “Each new signatory strengthens a coalition committed to the transparent and peaceful exploration of space. The accords are the foundation for real missions and real cooperation on the lunar surface, and Latvia’s commitment strengthens our shared vision for this next great era of exploration.”

Latvia’s Minister for Education and Science Dace Melbārde signed on behalf of the country. Chargé d’affaires a.i. at the Embassy of the Republic of Latvia to the United States Jānis Beķeris and U.S. Under Secretary of State for Economic Affairs Jacob Helberg also participated in the event. 

“Today, Latvia aligns with a shared vision for humanity beyond Earth, grounded in international cooperation and the peaceful, transparent, and responsible exploration of outer space,” said Melbārde. “By joining the Artemis Accords, we make a clear commitment to these principles. Latvia already contributes to the global space ecosystem through its industry and research, and we look forward to the opportunity to deepen cooperation with the United States and NASA, contributing to future space activities under the Artemis framework. Participation in the Artemis Accords is also an investment in the development of our students, researchers, and innovators.” 

Last month, NASA announced plans to return to the Moon routinely and affordably, establishing an enduring presence and building a sustained lunar base. More than 40 Artemis Accords countries across six continents sent representatives to Washington for the event, announcing new opportunities for exploration and science. The group represented more than two thirds of the current Artemis Accords signatories.  

In 2020, during the first Trump Administration, the United States, led by NASA and the U.S. Department of State, joined with seven other founding nations to establish the Artemis Accords, responding to the growing interest in lunar activities by both governments and private companies. The accords introduced the first set of practical principles aimed at enhancing the safety and coordination between like-minded nations as they explore the Moon, Mars, and beyond.  

Signing the Artemis Accords means committing to explore peaceably and transparently, to render aid to those in need, to enable access to scientific data that all of humanity can learn from, to ensure activities do not interfere with those of others, and to preserve historically significant sites and artifacts by developing best practices for space exploration for the benefit of all. 

More countries are expected to sign the Artemis Accords in the months and years ahead, as NASA continues its work to establish a safe, peaceful, and prosperous future in space. 

Learn more about the Artemis Accords at: 

https://www.nasa.gov/artemis-accords

-end-

Camille Gallo / Elizabeth Shaw 
Headquarters, Washington 
202-358-1600 
camille.m.gallo@nasa.gov / elizabeth.a.shaw@nasa.gov 

Wheels Up for X-59

2026-04-20 15:57

NASA’s X-59 flies above the Mojave Desert on a clear day. The white aircraft has light gray, red, and blue accents, with a NASA logo and the number 859 on its tail. It appears flying level over the desert landscape, with a mountain range visible on the horizon and a trail of clouds above.
NASA

NASA’s X-59 quiet supersonic research aircraft flies over the Mojave Desert in California in this April 14, 2026, image. The transition to flying with wheels up is a key milestone and an important step in the experimental aircraft’s test campaign.

The X-59 has made its highest and fastest flights so far, expanding its operational range and making progress toward supersonic flight. In future flights, the team will also be looking at factors like the performance of its controls, loads and structural dynamics, and subsystems including hydraulics, fuel, avionics, landing gear, and more. They will also be monitoring the performance of the eXternal Vision System, the series of cameras located on the X-59 connected to a display in the cockpit. The system takes the place of a traditional forward windscreen.

NASA’s Quesst mission, which features the one-of-a-kind X-59 aircraft, will demonstrate technology to fly supersonic, or faster than the speed of sound, without generating loud sonic booms.

Keep up with the latest X-59 news on the NASA Quesst blog.

Image credit: NASA

Widely Attended Gatherings (WAGs) Determinations

2026-04-20 14:35

2026

Space Policy Institute 4.29.26.pdf

Planetary Society APLU and AAU 4.21.26.pdf

41st Space Symposium-suppl 04.13-16.26

Space Symposium 2026 Events 4.13-16.26

2026 NSCFL Space Heroes and Legends Award Banquet 4.18.26

Newport News State of the City Event 4.13.26

Space Policy Institute Event 4.6.26

SpaceX Networking Reception 3.24.26

Maryland Space Business Roundtable (MSBR) 3.26.26

SIA_27th Annual Leadership Dinner 3.23.26

2026 Artemis Suppliers Conference 3.23-25.26

Ansys Government Initiatives Event_AGI 3.19.26

Homeland Security Week 3.17-18.26

Amazon Smithsonian and Space for Humanity Event 3.16.26

HLSR_NASA Night at the Rodeo 3.7.26

WIF Leadership Luncheon 3.4.26

2026 National Space Club Florida Committee Monthly Luncheon

Space Policy Institute Event 2.17.26

Maryland Space Business Roundtable_MSBR 2.11.26

2026 TSC Artemis II Pre-launch Reception 2.5.26

2026 VABA AAAAM Legislative Reception 2.4.26

Chamber of Commerce Summit 2.2.26

Cheniere Energy at the National Portrait Gallery 1.28.26

Leaders for a Better Louisiana at Adams and Reese 1.28.26

California Manufacturers and Technology Association Reception 1.23.26

Goddard Memorial Dinner 3.13.26

ISS 25th Anniversary 1.19.26

2026 Amentum Artemis II Rollout Reception 1.14.26

Maryland Space Business Roundtable 1.14.26

2025

Commercial Space Federation 12.9.25

Ansys Government Initiatives (AGI) 12.16.25

Maryland Space Business Roundtable (MSBR) 12.10.25

Women in Aerospace 12.11.25

Umbra Lab Inc 12.3.25

Space Policy Institute 10.21.2025

MSBR Space Business Roundtable 10.15.2025

76th International Astronautical Congress_IAC 9.29.25

2025 Von Braun Memorial Dinner 10.29.25

Space Foundation Reception 9.16.25

Evening with the Stars 9.10.25

MSBR Rooftop Reception 9.8.25

AIAA Dinner 8.18.25

STScI Event 7.29.25

MSBR Lunch 7.16.25

Rocket Lab Event 7.16.25

MSBR Lunch Reception 6.18.25

2025 Paris Airshow 6.13-19.25

Greater Houston Partnership Reception 6.12.25

Axiom Space X-4 Event

Space Foundation and German Embassy Reception 6.5.25

Mission 2 Moon Landing 6.5.25

H2M Conference and Events 5.28-29.25

Planetary Society 5.19.25

American Rocketry Challenge Reception 5.17.25

Rockets on the Hill Reception 5.16.25

Dayton Development Coalition Event 5.13.25

PA State Day Reception 5.6.25

MSBR STEM Gala 5.2.25

2025 ASF Hall of Fame Gala

AIAA Awards Gala 4.30.25

RNASA Awards Dinner 4.25.25

2025 Space Heroes and Legends Gala

Thunderbird School and Global Management Reception

40th Space Symposium Main Events

GovExec Awards Dinner 4.3.25

AIA Reception.4.2.25

SPI/GWU Dinner.4.2.25

Astrolab and Axiom.3.27.25

SPI/GWU/USRA Symposium.3.27.25

IDGA 18th Annual Event

Artemis VIP Reception.3.24.25

Goddard Memorial Dinner.3.21.25

MSBR Lunch.3.19.25

2025 Satellite Exhibition Event.3.10.25 to 3.13.25

SIA Dinner.3.10.25

67th Laureate Awards Dinner.3.6.25

SPI GWU Dinner.3.5.25

Bae Systems SPHEREx Launch.2.27.25

2025 Artemis Suppliers Conference

Blue Ghost Viewing Event

ServiceNow Forum.2.12.25

MSBR Luncheon.2.19.25

2025 Monthly NSCFL Luncheon

MSBR Lunch.1.22.25

Creole-Queen NOLA Reception.1.13.25

2025 New Glenn Mission 1 Launch Event

2025 Firefly Blue Origin Launch Reception

2024

MeriTalk Reception.12.19.24

Aero Club Award Dinner.12.13.24

Rocket Lab Event.12.13.24

Space Foundation Event.12.13.24

Umbra Lab Inc.12.5.24

Commercial Space Federation Joint Event.12.9.24

AGI Holiday Reception.12.3.24

The Arthur C. Clarke Foundation Event.11.21.24

Planet Labs PBC Reception.11.20.24

Rocket Lab Event.11.19.24

SPI GWU Dinner.11.5.24

Blue Origin and KBR Dinner.10.30.24

JASWDC Gala.10.30.24

SPI GWU Dinner.10.30.24

36th Annual Dr. Wernher von Braun Memorial Dinner

2024 Keystone Space Conference

2024 IAC Event

WIA Reception and Awards Dinner.10.10.24

2024 JPL Europa Clipper Launch Reception.10.8.24

SPI GWU Dinner.9.18.24

2024 VASBA HR AUVSI Gala

Blue Origin Reception.8.27.24

AIA & Amazon Reception.8.26.24

Exolaunch Reception.8.7.24

Farnborough Air Show.7.20-21.24

Artemis II SLS Roll Out Reception.7.15.24

Astroscale Reception Tokyo.7.12.24

Brooke Owens Fellowship Dinner.7.11.24

SpaceX GOES-U Launch

MSBR lunch.6.18.24

NAA Collier Dinner.6.13.24

Greater Cleveland Partnership.6.13-14.24

VAST Space LLC.6.12.24

Coalition for Deep Space Exploration Return to the Moon.6.5.24

The 2024 Infinite Exhibit Grand Opening

AIA and German Embassy Reception.6.4.24

AIA and British Embassy Reception.5.22.24

Space Foundation Event.5.16.24

Foundation Fratelli Tutti Dinners.5.10-11.24

MSBR STEM Gala.5.10.24

H2M Conference and Event.5.7-8.24

SPI/GW Dinner.5.1.24

Astrolab and Axiom.4.30.24

2024 Monthly NSCFL Luncheon

MEI 77th Annual Gala.4.17.24

Crowell & Moring Reception.4.16.24

2024 ASF Hall of Fame Gala

2024 Space Heroes and Legends Awards Dinner

SpaceX Symposium Reception.4.10.24

39th Space Symposium Supplemental

39th Space Symposium Main Events

SPI GWU Dinner.4.5.24

Goddard Memorial Dinner.3.22.24

SPI GW Dinner.3.20.24

AIA and Amazon Reception.3.19.24

MSBR Lunch.3.19.24

AIAA Awards Gala.3.15.24

NASM Event.3.6.24

Planetary Society.3.5.24

Embassy of Australia and Space Foundation.2.29.24

SPI/GWO Dinner.2.27.24

2024 Artemis Suppliers Conference

BDB Engineering Award Event

2024 Aerospace Days Legislative Reception

2024 NG-20 CRS Launch

IDGA 17th Annual Event.1.23 – 24.24

MSBR Lunch 1.16.24

Latino Biden-Harris Appointees Reception.1.11.24

STA Reception.1.11.24

2024 Axiom Space AX-3 Launch Reception

2023

2023 Astrobotic PM1 PreLaunch Reception

AERO Club Awards Dinner.12.15.23

WIA Dinner.12.13.23

MSBR Lunch.12.12.23

SCL and GBM Foundation Reception.12.11.23

LASP and Ball Aerospace Reception.12.11.23

Bayou Classic Brunch

L Oreal USA for Women Event.11.16.23

AAIA Reception.11.15.23

KBR Welcome Reception.11.14.23

SPI GWU Dinner 11.15.23

Museum of Natural History Board Events 11.2.23

USF Reception.10.24.23

Blue Origin KBR Reception

2023 Von Braun Memorial Dinner

Planet Labs PBC Reception.10.26.23

ELI Reception Dinner.10.24.23

OSIRIS REX RECEPTION.10.17.23

WIA Reception and Award Dinner.10.12.23

National Space Club Banquet 2023

Space Foundation and Airbus.10.3.23

IAC Event

NAHF Dinner Ceremony.9.22.23

2023 VASBA HR AUVSI Gala and Symposium

2023 Psyche Mission Team

SPI GWU Dinner 9.13.23

AIA Congress Space Reception.9.7.23

 MSBR Lunch 8.16.23

 WAG NG CRS 7-24-23

 2023 ASF Innovators Gala

 Space Foundation Reception 7.19.23

 Chamber of Commerce Reception.7.13.23

 ECI Fellows Meeting.7.12 to 7.14.23

 Embassy of Italy and Virgin Galactic.7.12.23

 JWST Reception 7.13.23

 Brook Owens Fellowship Dinner 7.13.23

 Comteck and Airbus Space Defense 07.11.23.

 Calgary Stampede.7.7.23

 CLD Reception.6.20.23

 CFA SAO Reception.6.15.23

 Paris Air Show.6.17-20.23

 UCAR Reception 6.7.23

 Space Forum 2023

 Rocket Lab TROPICS.5.18.23

 2023 Axiom Space AX-2 Launch Event WAG

 SW SPI Dinner 5.9.23

 H2M WAG 2023

 MSBR STEM Gala 5.5.23

 AIAA Awards Gala Event 5.18.23

 38th Space Symposium 4.16 to 4.20.23

 Planet Labs PGC Reception.4.13.23

 AL-23-009 RNASA

 2023 TEMPO Pre-Launch Reception

 MSBR Lunch 4.4.23

 Coalition for Deep Space Exploration SLS Orion EGS Gateway Suppliers 3.26.23

 Orion SLS Conference 3.27 to 3.28.23

 EWDC Event.3.23.23

 2023 Agency WAG Debus Award Banquet

 VHMC And Boeing Reception 3.18.23

 Ball Aerospace Kinship Reception 3.15.23

 Airbus Defence Event 3.14.23

 Terran Orbital Event 3.15.23

 SpaceX Satellite Reception 3.13.23

 SPI GWU Dinner 3.9.23

 Goddard Memorial Dinner 3.10.23

 2023 Agency Wag AHOF Gala

Space Foundation Event 2.16.23

BDB National Engineers Week 2023 Banquet
MSBR Lunch 2.28.23
STA Luncheon 2.7.23
WSBR Reception 2.1.23
SPI GWU SWF Reception 1.31.23
Artemis I Splashdown 01.17.23
MSBR Lunch 1.17.23

2022

GRC An Evening With the Stars 8.30.22
JPL 25 Years on Mars Reception 7.27.22
SPI GWU Dinner 7.6.22
Berlin Air Show 6.22-26.22
MSBR Lunch 6.21.22
KSC Gateway VIP Rception 6.14.22
MSBR Dinner Gala 6.10.22
NAA Robert J. Collier Awards Dinner 6.9.22
Advanced Space and Rocket Lab Capstone Event 6.8.22
AIA Challenger Center Reception 6.2.22
2022 H2M Summit 5.17-19.22
MSBR Lunch 5.17.22
FCW GovExec Awards Dinner 5.12.22
Meta Reception 5.4.22
JSC RNASA Luncheon and Dinner 4.29.22
Coalition for Deep Space Reception 4.28.22
SLS Orion EGS Suppliers Conference 4.28-29.22
SPI GWU Dinner 4.27.22
AIAA Awards Gala Dinner 4.27.22
MSBR Luncheon 4.19.2022
Arianespace Northrop Grumman JWST Reception 4.5.22
37th Space Symposium 4.4 to 7.22
Axiom Space Launch Event 3.30.22
Heinrich Boell Foundation Dinner 3.30.22
Aarianespace Reception 3.23.22
SIA Conference Events 3.21-23.22 Revised
Satellite Industry Association Reception 3.21.22
Goddard Memorial Dinner 3.18.22
GOES-T Post-Launch Reception 3.1.22
Goes-T L3 Harris Reception 3.1.22
Christopher Newport University Dinner 02.23.22
NG-17 CRS Launch Events VA 2.19.22
SPI GWU Dinner 02.04.2022
MSBR Dinner 01.18.2022
KSC CCTS Spaceport Summit 1.11-12.22

2021

JWST Launch 12.25.21
Aero Club Awards Reception 12.17.21
KSC NSC Celebrate Space 12.10.21
AGI Ansys Reception 12.10.21
KSC Ball Aerospace IXPE Launch Celebration Reception 12.7.21
WIA Awards Dinner 12.2.21
National Space Council Recognition Reception 12.1.21
SPI Dinner 11.16.21
AIAA ASCEND Event 11.15.21
AIAA Ascend 2021 Reception Dinner Las Vegs 11.14.21
KSC Astronaut Hall of Fame Event 11.13.21
KSC DNC Taste of Space Event 11.5.21
SPI Dinner 11.2.21
IAC Closing Gala 10.29.21
GRC Evening With The Stars 10.27.21
Goddard Memorial Awards Dinner 10.22.21
IAC 2021
Lucy Post Launch Dinner 10.16.21
KSC Lucy Launch Mission Events 10.12-13.21
United Airlines Reception 10.12.21
Blue Origin Launch 10.12.21
SPI Dinner on or about 9.28.21
Goddard Memorial Dinner 9.17.21 CANCELLED
SPI Dinner 9.7.21
RNASA Awards Dinner and Luncheon 9.3.21
GRC Evening With the Stars 8.31.21
FED100 Gala Awards Dinner 8.27.21
Addendum to 36th Space Symposium 8.22-26.21
36th Space Symposium 8.22-26.21
KSC ASF Innovators Gala 8.14.21
NG16 Launch Events 8.10.21
LaRC Virginia Space Reception 7.30.21
KSC 2021 Debus Award Dinner 7.30.21
Coalition for Deep Space 07.22.21
KSC Lockheed WAS Star Center Reception 7.15.21

2020

United Launch Alliance Satellite 2020 Reception 3.10.20
SpaceX Reception 3.9.20
U.S. Chamber of Commerce 2020 Aviation Summit 3.5.20
Maryland Space Business Roundtable Lunch 2.18.20
SLS Orion Suppliers Conference 2.12.20
Coalition for Deep Space Exploration Reception 2.11.20
Northrop Grumman NG-13 CRS Launch Events 2.9.20
VA UAS AeroSpace Legislative Reception 1.29.20
MSBR Lunch 1.21.20
Guidance Keough School of Global Affairs 1.16.20
Boeing Orbital Flight Test Launch Events 12.20.19
Virgin Space Reception 12.17.19
SEA Summit 12.17.19
Wright Memorial Dinner 12.13.19
Analytical Graphics AGI Reception 12.13.19
Ball Reception 12.10.19
MSBR Lunch 12.3.19
Plant Reception 11.20.19
JSC Spacecom Conference VIP Reception 11.20.19
JSC Spacecom Conference Reception 11.19.19
SAIC BSU STEM Roundtable 11.07.19
Apollo UK Productions Ltd 7.10.19
SpaceX Satellite Reception 5.6.19
SPI GWU Dinner 5.1.19
AIAA Reception 4.30.19
MSBR Lunch 1.21.20
MSBR Lunch 1.21.20

NASA’s Hubble Dazzles With Young Stars in Trifid Nebula

2026-04-20 14:01

6 Min Read

NASA’s Hubble Dazzles With Young Stars in Trifid Nebula

A tightly cropped Hubble view of a vast star-forming region known as the Trifid Nebula. The top left is bright blue. Brown and amber colors run from top right through the center in irregular, overlapping lines to the bottom-center. At bottom right, the view is almost black. Tiny, amber-colored stars appear throughout the scene. Toward the left there is a prominent brown shape that looks like a head with two horns. The left horn points left and is wavy. The right horn is triangular and points up. The brown dust continues, flowing down, as if along a back, and up toward the top right. A prominent line, about the same length as the left horn, appears below the middle of the body, and changes from orange to red. A small, separate semi-transparent pillar is left of the head. A few slightly larger, blue foreground stars with four diffraction spikes appear throughout.

NASA celebrates Hubble’s 36th anniversary with a new image of the Trifid Nebula, a star-forming region it first captured in 1997. The telescope leveraged almost its full operational lifetime to show us changes in the nebula on human time scales with an improved camera.

Credits:
NASA, ESA, STScI; Image Processing: Joseph DePasquale (STScI)

This shimmering region of star-formation, a close-up of the Trifid Nebula about 5,000 light-years from Earth, was captured in intricate detail by NASA’s Hubble Space Telescope. The colors in Hubble’s visible light image, which marks the 36th anniversary of the mission’s launch on April 24, are reminiscent of an underwater scene filled with fine-grained sediments fluttering through the ocean’s depths.

Several massive stars, which are outside this field of view, have shaped this region for at least 300,000 years. (See them in a wider view.) Their powerful winds continue to blow an enormous bubble, a small portion of which is shown here, that pushes and compresses the cloud’s gas and dust, triggering new waves of star formation.

A tightly cropped Hubble view of a vast star-forming region known as the Trifid Nebula. The top left is bright blue. Brown and amber colors run from top right through the center in irregular, overlapping lines to the bottom-center. At bottom right, the view is almost black. Tiny, amber-colored stars appear throughout the scene. Toward the left there is a prominent brown shape that looks like a head with two horns. The left horn points left and is wavy. The right horn is triangular and points up. The brown dust continues, flowing down, as if along a back, and up toward the top right. A prominent line, about the same length as the left horn, appears below the middle of the body, and changes from orange to red. A small, separate semi-transparent pillar is left of the head. A few slightly larger, blue foreground stars with four diffraction spikes appear throughout.
NASA celebrates Hubble’s 36th anniversary with a new image of the Trifid Nebula, a star-forming region it first captured in 1997. The telescope leveraged almost its full operational lifetime to show us changes in the nebula on human time scales with an improved camera.
NASA, ESA, STScI; Image Processing: Joseph DePasquale (STScI)

This isn’t the first time Hubble has gazed at this scene. The telescope observed the Trifid in 1997 and now, 29 years later, it has leveraged almost its full operational lifetime to show us changes in the nebula on human time scales. Why look at the same location again? In addition to seeing changes over time, Hubble is also equipped with an improved camera with a wider field of view and greater sensitivity that was installed during Servicing Mission 4.

Star formation in ‘Cosmic Sea Lemon’

Hubble’s view of the Trifid Nebula (also known as Messier 20 or M20) focuses on a “head” and undulating “body” of a rusty-colored cloud of gas and dust that resembles a marine sea lemon, or sea slug, that appears as if it is gliding through the cosmos.

The Cosmic Sea Lemon’s left “horn” is part of Herbig-Haro 399, a jet of plasma periodically ejected over centuries by a young protostar embedded in the head of the sea lemon. Changes, as seen in the video below, allow researchers to measure the speeds of the outflows and determine how much energy the protostar is injecting into these regions. These measurements will provide insights into how newly formed stars interact with their surroundings.

Compare Hubble’s two observations of a portion of the Trifid Nebula, one taken in 2026 with the telescope’s current Wide Field Camera 3 and the other in 1997 with an earlier instrument (the Wide Field and Planetary Camera 2).
Video: NASA, ESA, STScI, Joseph DePasquale (STScI)

To the immediate lower right is evidence of the counter jet: jagged orange and red lines that ”run” down the back of the sea lemon’s neck, where a natural V appears in the brown dust.

The darker, more triangular “horn” on the right of the “head” hosts another young star at its tip. Zoom in to see a faint red dot with a tiny jet. The green arc above it may be evidence that a circumstellar disk is being eroded by the intense ultraviolet light from nearby massive stars. The clearer area around this protostar suggests it may almost be finished forming.

To the immediate left of the Cosmic Sea Lemon is a small, faint pillar that resembles a water bear. Much of this pillar’s gas and dust has been blown away, but the densest material at the top persists.

Streaks and sharp lines offer more clues about other young stars’ activities. Spy an example by looking near the center for a rippling angled line that begins in a bright orange and ends in a blazing red. In the image comparison, it appears to move, which means it may be a jet shot out by another actively forming star buried deeply in dust.

NASA is celebrating the 36th anniversary of the Hubble Space Telescope with a stunning new look at the Trifid Nebula, a star-forming region about 5,000 light-years away. Powerful ultraviolet light from massive stars carved out this glowing bubble, triggering new waves of star birth. Sit back and relax as Hubble Senior Project Scientist, Dr. Jennifer Wiseman takes us on a tour of this beautiful image. Credit: NASA; Lead Producer: Paul Morris

Prismatic ‘sea’ of color

In Hubble’s visible light observations, the clearest view is toward the top left, where it’s bluer. Strong ultraviolet light from massive stars, not in the field of view, stripped electrons from nearby gas, creating a glow, with winds sculpting a bubble by clearing out surrounding dust.

At the top of the Cosmic Sea Lemon’s head, bright yellow gas streams upward. This is an example of ultraviolet light plowing into the dark brown dust, stripping and dismantling the gas and dust.

Many ridges and slopes of dark brown material will remain for a few million years, as the stars’ ultraviolet light slowly eats away at the gas. The densest areas are home to protostars, which are obscured in visible light.

The far-right corner is nearly pitch black. This is where the dust is the densest. The stars that appear here may not be part of this star-forming region — they might be closer to us, in the foreground.

Now, scan the scene for bright orange orbs. These stars have fully formed, clearing the space around them. Over millions of years, the nebula’s gas and dust will disappear — only stars will remain.

Unprecedented longevity, nonstop discoveries

Hubble’s varied instruments and the expansive range of light it collects — from ultraviolet through visible to near-infrared — have helped researchers make ground-breaking discoveries for decades and supply new data daily that will inevitably lead to more.

The telescope has taken over 1.7 million observations to date. Almost 29,000 astronomers have published peer-reviewed science papers using Hubble data collected over the telescope’s 36-year lifetime, resulting in more than 23,000 publications, with almost 1,100 in 2025 alone. Hubble’s observational data is publicly available in the Barbara A. Mikulski Archive for Space Telescopes at the Space Telescope Science Institute in Baltimore, while its mission descriptions, history, and gallery of popular images are found on NASA’s Hubble website.

Since 2022, researchers have regularly combined Hubble’s observations with those from NASA’s James Webb Space Telescope to push opportunities for discovery further. Very soon, astronomers will begin diving into huge near-infrared datasets from vast surveys from NASA’s new Nancy Grace Roman Space Telescope, and will seek to compare them to existing or new Hubble observations to clarify what is at work. For context, Roman’s camera can cover the entire Trifid Nebula, showing the full bubble, with a single pointing — and may turn up interesting objects for follow-up.

Another flagship to look forward to? The mission concept known as the Habitable Worlds Observatory, which would have a significantly larger mirror than Hubble — leading to higher resolution images — and, like Hubble, capture ultraviolet, visible, and infrared light. This next-generation space telescope would advance science across all of astrophysics, and would be the first specifically engineered telescope to identify habitable, Earth-like planets next to relatively bright stars like our Sun and examine them for evidence of life.

The Hubble Space Telescope has been operating for over three decades and continues to make ground-breaking discoveries that shape our fundamental understanding of the universe. Hubble is a project of international cooperation between NASA and ESA (European Space Agency). NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope and mission operations. Lockheed Martin Space, based in Denver, also supports mission operations at Goddard. The Space Telescope Science Institute in Baltimore, which is operated by the Association of Universities for Research in Astronomy, conducts Hubble science operations for NASA.


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Last Updated

Apr 20, 2026

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Andrea Gianopoulos

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Space Telescope Science Institute
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Thailand’s Krabi Coast

2026-04-20 04:00

Strips of sandy beach line the coast of Krabi Province, Thailand, separating blue ocean water from inland greenery and urban areas.
March 23, 2026

Along the western coast of Southern Thailand, a series of bright tan beaches lines the Andaman Sea. These sandy expanses fill the gaps between the myriad other features touching the sea, from limestone karst towers to mangroves to built-up areas.

The OLI (Operational Land Imager) on Landsat 8 captured these images on March 23, 2026, showing part of the coastal area along Thailand’s Krabi Province. These beaches lie about 50 kilometers (30 miles) east of Phuket across Ao Phangnga, a bay of the Andaman Sea. The beaches are a tourism hotspot and draw visitors from around the world. 

Railay Beach and Phra Nang Beach, accessible by boat, are especially a draw for rock climbers who come here to scale the seaside walls of limestone. The towering formations are an iconic part of the region’s tropical karst landscape, resulting from the just-right ingredients of rock type and climate conditions.

Limestone in this region formed from the accumulation of calcium carbonate, the skeletal remains of marine organisms that settled here when the area was covered by a shallow sea hundreds of millions of years ago. Over time, continental collisions lifted the rock upward and shaped it into complex patterns. Rainwater, made slightly acidic due to the tropical environment, assisted in the chemical weathering that eroded the limestone, sculpting the rock into unique shapes. 

Aerial view of limestone towers protruding from seawater off the coast of Krabi Province, Thailand.
Limestone towers stand above the sea off the coast of Southern Thailand.
Photo by Shawn via Unsplash.
Alt text: A wide view of Krabi Province shows offshore islands and boats in blue water and inland areas with a mix of gray urban development, brown farmland, and green vegetation.
March 23, 2026

The karst landscape extends into the sea in the form of islands. For instance, Ko Po Da Nai and Ko Hong, visible in the wide satellite image above, feature steep limestone cliffs and caves, making them a popular destination for paddlers. Larger boats also cut through the water, their wakes appearing as white streaks.

On the mainland, the landscape beyond the sandy beaches includes varied terrain. Green forests cover the slopes of Khao Hang Nak, where hikers can take in views of the Andaman Sea and surrounding karst formations. At lower elevations, green mangroves line several rivers, including Khlong Chi Lat.

Human activity is most visible in the flatter plains, where urban development and agriculture have transformed the landscape. Krabi, the province’s capital, and nearby towns appear gray. To the northwest, patches of brown and green in geometric patterns indicate agricultural land, where oil palm and rubber trees are commonly grown alongside other crops such as pineapple.

NASA Earth Observatory images by Lauren Dauphin, using Landsat data from the U.S. Geological Survey. Photo by Shawn used under the Unsplash license. Story by Kathryn Hansen.

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