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Mercury shines at its brightest for the year, the Lyrid meteor shower peaks, and a bright new comet makes an appearance in April’s night sky.
Mercury shines extra bright, the Lyrid meteor shower peaks, and a comet soars into view. That’s What’s Up this April.
On April 3rd, Mercury will be at its most visible all year. On this date, the planet will be at its greatest elongation, or its furthest distance from the Sun, as we see it from Earth, making it easier to see the often hard-to spot-planet.
To find Mercury, look east before the Sun begins to rise. The planet will be very low on the horizon, just above Mars.
The Lyrid meteor shower peaks April 21st to 22nd. This meteor shower comes from debris left behind by Comet Thatcher.
When this debris hits and then burns up in our atmosphere, we see the “shooting stars” of a meteor shower.
To experience the peak of the April Lyrids, look to the east starting at around 10 p.m. on April 21st and through the night into April 22nd. The meteor shower takes place nearby the star Vega, the fifth brightest star in the night sky, which can be found in the constellation Lyra, the Harp.
April 17th might be your best chance to see the Comet C/2025 R3, which some think could be the brightest comet of the year. This comet will make its closest approach to Earth on April 27th, coming within 44 million miles of our planet.
Experts estimate that the comet will likely reach magnitude eight, which means you would need access to a telescope or binoculars to see it. The comet will be visible in the eastern sky in the constellations Pegasus and above Pisces. You’ll be able to spot the comet in the predawn hours from mid-April through the end of April in the Northern Hemisphere, and in the evenings in early May for viewers in the Southern Hemisphere.
Here are the phases of the Moon for April. You can stay up to date on all of NASA’s missions exploring the solar system and beyond, at science.nasa.gov. I’m Chelsea Gohd from NASA’s Jet Propulsion Laboratory and that’s What’s Up for this month.
2026-03-26 20:53

Se invita a los medios de comunicación el martes 21 de abril al Centro de Vuelo Espacial Goddard de la NASA en Greenbelt, Maryland, para conocer el telescopio espacial Nancy Grace Roman de la agencia, cuya construcción terminó recientemente y el cual se encuentra ultimando las pruebas previas a su lanzamiento. Esta será una de las últimas oportunidades para ver este telescopio insignia, totalmente integrado, antes de que sea trasladado al Centro Espacial Kennedy de la NASA en Florida para su lanzamiento. El despegue está previsto para no antes de este otoño boreal.
Con la sala limpia más grande del centro Goddard de la NASA como telón de fondo, el evento incluirá una conferencia de prensa a las 4:00 p.m. EDT (hora del este) que será transmitida en el canal de YouTube de la NASA (en inglés). Descubra cómo puede ver el contenido de la NASA a través de diferentes plataformas en línea, incluyendo las redes sociales.
Los participantes de la NASA en la sesión informativa serán:
• Jared Isaacman, administrador de la NASA
• Nicky Fox, administradora asociada, Dirección de Misiones Científicas, sede central de la NASA en Washington
• Jamie Dunn, gerente del proyecto del telescopio Roman, centro Goddard de la NASA
• Julie McEnery, científica principal del proyecto del telescopio Roman, centro Goddard de la NASA
Los medios de comunicación interesados en participar por teléfono deben confirmar su participación, a más tardar, dos horas antes del inicio del evento con Alise Fisher: alise.m.fisher@nasa.gov. Una copia de la política de acreditación de medios de la NASA se encuentra disponible en línea (en inglés).
Los medios de comunicación acreditados que participen en persona también tendrán la oportunidad de visitar otras instalaciones del centro y hacer entrevistas con expertos sobre temas tales como la carga útil candidata para la Estación de Monitoreo del Entorno Lunar de la NASA para el programa Artemis, la misión DAVINCI a Venus, el concepto de misión del Observatorio de Mundos Habitables y la misión Dragonfly a la luna Titán de Saturno.
Para ser considerados para su acreditación presencial, los medios de comunicación extranjeros deben registrarse antes del miércoles 1 de abril; los medios estadounidenses deben registrarse antes del viernes 10 de abril. Todas las confirmaciones de asistencia de los medios deben ser enviadas a Rob Garner: rob.garner@nasa.gov.
Nombrado en honor a la primera astrónoma jefa de la NASA, el telescopio espacial Nancy Grace Roman ofrecerá una visión profunda y panorámica del cosmos, generando imágenes nunca antes vistas que revolucionarán nuestra comprensión del universo. Este observatorio marcará el comienzo de una nueva era de sondeos cósmicos, revelando una gran cantidad de objetos celestes y arrojando luz sobre algunos de los misterios más profundos del universo, incluyendo aquellos fenómenos que no podemos ver. Roman también exhibirá tecnología de vanguardia, incluyendo la prueba de tecnología más avanzada jamás enviada al espacio para obtener imágenes directas de planetas que orbitan estrellas cercanas, lo cual representa un paso clave en la búsqueda de vida en otros mundos por parte de la NASA.
El telescopio Roman es gestionado en el centro Goddard de la NASA en Greenbelt, Maryland, con la participación del Laboratorio de Propulsión a Chorro (JPL) de la agencia en el sur de California; Caltech/IPAC en Pasadena, California; el Instituto de Ciencias del Telescopio Espacial en Baltimore y un equipo científico compuesto por investigadores de diversas instituciones académicas. Los principales socios industriales son BAE Systems Inc. en Boulder, Colorado; L3Harris Technologies en Rochester, Nueva York, y Teledyne Scientific & Imaging en Thousand Oaks, California. También aportan sus contribuciones a la misión de Roman la ESA (Agencia Espacial Europea), la JAXA (Agencia Japonesa de Exploración Aeroespacial), la agencia espacial francesa CNES (Centre National d’Études Spatiales) y el Instituto Max Planck de Astronomía en Alemania.
Para obtener más información acerca del telescopio Roman de la NASA, visite el sitio web:
https://www.ciencia.nasa.gov/roman
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Bethany Stevens / Alise Fisher / María José Viñas
Sede central, Washington
202-358-1600
bethany.c.stevens@nasa.gov / alise.m.fisher@nasa.gov /
maria-jose.vinasgarcia@nasa.gov
Claire Andreoli / Rob Garner
Centro de Vuelo Espacial Goddard, Greenbelt, Md.
301-286-1940 / 301-286-5687
claire.andreoli@nasa.gov / rob.garner@nasa.gov
2026-03-26 20:18

Media are invited Tuesday, April 21, to NASA’s Goddard Space Flight Center in Greenbelt, Maryland, for a look at the agency’s Nancy Grace Roman Space Telescope, which recently completed construction and is wrapping up prelaunch testing. This will be one of the last opportunities to view the fully integrated flagship telescope before it ships to NASA’s Kennedy Space Center in Florida ahead of a launch planned as early as this fall.
With NASA Goddard’s largest clean room as a backdrop, the event will include a news conference at 4 p.m. EDT, which will stream on NASA’s YouTube channel. Learn how to stream NASA content through a variety of online platforms, including social media.
NASA participants in the briefing include:
Media interested in participating by phone must RSVP no later than two hours prior to the start of the briefing to Alise Fisher, alise.m.fisher@nasa.gov. A copy of NASA’s media accreditation policy is online.
Credentialed media in attendance also will have the opportunity to visit other center facilities and conduct interviews with subject matter experts on topics such as NASA’s Lunar Environment Monitoring Station candidate payload for the Artemis program, the DAVINCI mission to Venus, the Habitable Worlds Observatory mission concept, and the Dragonfly mission to Saturn’s moon Titan.
To be considered for on-site credentials, foreign national media must register by Wednesday, April 1; U.S. media must register by Friday, April 10. Any media RSVPs must be sent to Rob Garner, rob.garner@nasa.gov.
Named after NASA’s first chief astronomer, the Nancy Grace Roman Space Telescope will have a deep, panoramic view of the cosmos, generating never-before-seen pictures that will revolutionize our understanding of the universe. The observatory will usher in a new era of cosmic surveys, unveiling troves of celestial objects and shedding light on some of the universe’s most profound mysteries, including phenomena we can’t see. Roman will also showcase cutting-edge technology, including a test of the most advanced technology ever flown in space to directly image planets around nearby stars, a key step in NASA’s search for life on other worlds.
The Roman telescope is managed at NASA Goddard with participation by the agency’s Jet Propulsion Laboratory in Southern California; Caltech/IPAC in Pasadena, California; the Space Telescope Science Institute in Baltimore; and a science team comprising scientists from various research institutions. The primary industrial partners are BAE Systems Inc. in Boulder, Colorado; L3Harris Technologies in Rochester, New York; and Teledyne Scientific & Imaging in Thousand Oaks, California. Contributions to Roman also are made by ESA (European Space Agency), JAXA (Japan Aerospace Exploration Agency), the French space agency CNES (Centre National d’Études Spatiales), and the Max Planck Institute for Astronomy in Germany.
For more information about NASA’s Roman telescope, visit:
-end-
Bethany Stevens / Alise Fisher
Headquarters, Washington
202-358-1600
bethany.c.stevens@nasa.gov / alise.m.fisher@nasa.gov
Claire Andreoli / Rob Garner
Goddard Space Flight Center, Greenbelt, Md.
301-286-1940 / 301-286-5687
claire.andreoli@nasa.gov / rob.garner@nasa.gov
2026-03-26 20:12
Before NASA sends its astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen on their Artemis II mission around the Moon, the launch team at NASA’s Kennedy Space Center in Florida and teams across the country will begin counting down about two days before liftoff.
A launch countdown contains “L Minus” and “T Minus” times. The “L minus” indicates how far away liftoff is in hours and minutes. The “T minus” time is a sequence of events built into the launch countdown. Pauses in the countdown, or “holds,” are built in to allow the launch team to target a precise launch window, and to provide a cushion of time for certain tasks and procedures without impacting the overall schedule. During planned holds in the countdown process, the countdown clock is intentionally stopped and the T- time also stops. The L- time, however, continues to advance.
Below are some of the key events that take place at each milestone after the countdown begins.
All times are approximate for when these milestones occur.
L-49 hours 50 minutes and counting
L-35 hours and counting
L-16 hours and counting
L-13 hours and counting
L-10 hours and counting
L-6 hours and counting
L-40 minutes and holding
L-25 minutes and holding
T-10 minutes and counting
T-0
Inside the terminal countdown, teams have a few options to hold the count if needed.
Launching the Artemis II Moon rocket will lift off the agency’s first crewed mission under the Artemis program, testing the systems that will return astronauts to the Moon for an enduring presence, and paving the way to human exploration of Mars.
To learn more about the Artemis program, visit:
2026-03-26 19:50
As a member of the Crew and Thermal Systems Division, Aaron Rose supports critical cargo resupply missions to the International Space Station. In this role, he works with payload developers to safely transport temperature-controlled science experiments to and from station with portable coolers, freezers, and refrigerators.
For the full flight cycle, Rose and his team members ensure all cold stowage hardware, operations, and personnel are coordinated to ensure science experiments are handled safely and securely – all the way from launch to landing. These experiments are vital to unlocking discoveries that are not possible on Earth, improving life on our home planet and helping pave the way for the return to the Moon and future journeys to Mars.
Read on to learn about Rose’s career with NASA and more!
Where are you from?
I’m from Canton, Ohio (Home of the Pro Football Hall of Fame)
How long have you been working for NASA?
I have been working at Johnson Space Center for 18 years.
What was your path to NASA?
I started as a co-op with Jacobs Engineering in 2008 while attending The Ohio State University. In 2007, retired NASA astronaut Nancy Currie gave a talk at my school and she shared that there were opportunities for students to work at Johnson as a co-op or intern. Upon hearing this, I reached out to her, and she helped me apply to a co-op program. I was accepted and went on to complete several co-op semesters. After graduating with an undergraduate degree in industrial and systems engineering, I joined Jacobs Engineering as a full-time team member and moved to Houston to be a test engineer on a new docking system.
How would you describe your job to family or friends that may not be familiar with NASA?
I work on a team that specializes in temperature-controlled transportation. We receive domestic and international science experiments and pack them into coolers, freezers, or refrigerators. We also make sure those items are correctly installed into the spacecraft and work as expected. After splashdown, we receive the science samples and return them to the researchers as soon as possible. I also have some sway in what ice cream we launch and provide for the crew!
What advice would you give to young individuals aspiring to work in the space industry or at NASA?

Aaron rose
Cold Stowage Mission Manager
You never know who you might meet that could recommend you for an open position. It definitely worked for me!
Also, don’t give up on engineering if you struggle with higher level mathematics. There are a lot of engineering positions that don’t require frequent use of differential equations, linear algebra, etc. You can still work at NASA with other strengths.
Is there a space figure you’ve looked up to or someone that inspires you?
Retired NASA astronaut Stephen Robinson inspired me to follow my dreams and encouraged me to work at Johnson full time after I graduated from college. I had the pleasure of having lunch with Stephen, where he shared his journey to becoming an astronaut and it resonated with me. After talking to him, I was even more motivated to finish my degree and get back to Houston. There were so many fun and interesting experiences waiting for me that I couldn’t miss!
What is your favorite NASA memory or the most meaningful project you’ve worked on during your time with NASA?

Aaron rose
Cold Stowage Mission Manager
The first SpaceX mission I supported was NASA’s SpaceX CRS-3 return. I had recently joined the Cold Stowage Team and was still learning the ropes when I was selected to travel to Long Beach, California, and help the team. It was such a thrill to work out of a cargo airplane while handling science experiments that had just returned from space.
Another favorite memory is watching the movie “Apollo 13” in the historic Mission Control Center. It was so surreal to sit at a workstation where the actual events of Apollo 13 occurred while watching the movie. It felt like I was transported back to April 1970, and I was in the movie. The space nerd in me was ecstatic!
What do you love sharing about station?
I like to talk about cargo resupply missions. People genuinely want to know what work is being done on the space station and how we utilize microgravity to develop new technology and fight diseases. I usually share about the different science experiments we fly and explain the steps it takes to safely transport delicate equipment and samples to and from station.
November 2, 2025, marked 25 years of continuous human presence. What does this milestone mean to you?

Aaron rose
Cold Stowage Mission Manager
I’m excited for the future of our industry and can’t wait to see how we continue to raise the bar to achieve NASA’s ambitious goals for deep space exploration. Ad astra!
If you could have dinner with any astronaut, past or present, who would it be?
I would have dinner with former NASA astronaut and fellow Ohioan Neil Armstrong. I met him once and I’d love to ask him some more questions.
Do you have a favorite space-related memory or moment that stands out to you?
Either watching the movie “IMAX: Hubble 3D” with a big group of fellow co-ops at the Houston Museum of Natural Science or seeing my first up-close space shuttle launch.
One summer as a co-op, I tested and certified the IMAX camera equipment that was used by the crew of STS-125 to film part of this movie. It was wonderful to see the final product of my efforts on the big screen.
In 2010, my friend and I drove through the night from Ohio to Florida to see the launch of STS-130 and it was well worth it. This was an especially meaningful launch because it was one of the final shuttle missions, the amazing cupola was on board, and I knew retired astronaut Stephen Robinson, who was a mission specialist for STS-130.
What are some of the key projects you have worked on during your time at NASA? What have been your favorite?
I’ve had the privilege of working on several key projects at NASA, including:
– “IMAX: Hubble 3D”
– The potable water dispenser
– Cold stowage
My favorite focus has been cold stowage. It has given me the chance to support multiple SpaceX, Axiom, and Northrup Grumman missions every year. Through my work in cold stowage, I’ve seen many rocket launches, frequently handled space-flown hardware, and directly contributed to the success of over 50 flights to station. I’ve also cultivated life-long friendships and developed a meaningful career supporting NASA’s core mission.
What are your hobbies/things you enjoy doing outside of work?
I enjoy weightlifting, playing video games, traveling around the world, engaging in car culture, attending comedy shows, and watching movies.
Day launch or night launch?
Night!
Favorite space movie?
“Star Wars: Episode V – The Empire Strikes Back”
NASA Worm or Meatball logo?
Worm!
NASA and its partners have supported humans continuously living and working in space since November 2000. After 25 years of continuous human presence, the space station remains a training and proving ground for the future of commercial space stations, deep space missions, enabling NASA’s Artemis campaign, lunar exploration, and future Mars missions.
Every day, we are conducting exciting research aboard our orbiting laboratory that will help us explore farther into space and bring benefits back to people on Earth. You can keep up with the latest news, videos, and pictures about space station science on the Station Research & Technology news page. It is a curated hub of space station research digital media from Johnson and other centers and space agencies.
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