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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
Explanation: On August 12th, 2026, the Moon totally eclipsed the Sun and cast its shadow across Siberia, Greenland, Iceland, Spain, and Portugal. Today’s image features two total solar eclipses viewed from Zaragoza, Spain, one over the Cathedral-Basilica of Our Lady of the Pillar and the other reflecting in the Ebro River. For a few moments, Spain saw its first major total solar eclipse since 1905. Those witnessing totality may experience a chill in the air, the quieting of birds, the confused chirps of insects, and the shared awe of many. It’s the corona’s time to shine as the Sun’s bright disk is blocked by the Moon. Among other reasons to study eclipses, they help scientists understand why the corona is millions of degrees hotter than the Sun’s surface. Enthusiastic citizens can contribute to these studies by recording how wildlife responds, imaging the corona, and monitoring air temperature and clouds.
More spectacular eclipse images: Solar Eclipse of 2026 August 12
Tomorrow’s picture: a mystery
| Date: | August 13, 2026 |
|---|---|
| Credit & Copyright: | Ruiyu Zhang |
| Authors & editors: | Keighley Rockcliffe, Robert Nemiroff, Jerry Bonnell, Cecilia Chirenti |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |
2026-08-13 04:00
In a contrast of fire and ice, smoke from wildland fires mingled with several of the Cascade Range’s prominent, glaciated volcanoes in summer 2026. Astronauts on the International Space Station photographed the scene while orbiting over the U.S. West in late July and early August.
Mount Hood, Oregon’s tallest peak at 11,249 feet (3,429 meters), is pictured above, near a thick plume of smoke pouring from the Grasshopper fire. Thunderstorms passed over the forest in the preceding weeks, and a lightning strike on July 23 ignited the blaze pictured in this July 31 photo. The fire, burning east of the mountain, spread quickly north and east across Mount Hood National Forest amid hot, dry conditions, according to InciWeb.
As of August 12, it had burned nearly 84,000 acres (34,000 hectares) and spread beyond national forest boundaries. Several communities in Wasco County were under “go now” evacuation orders, and the nearby town of Dufur was advised to prepare for immediate evacuation.
Roughly 100 miles to the north in Washington, Mount Rainier—the state’s tallest peak at 14,411 feet (4,392 meters)—was wreathed in smoke. No major fires burned nearby when this photo was taken on August 4. Instead, smoke drifted in from fires in central and eastern Washington, carried by winds blowing from the east due to a high-pressure system offshore. That day, the National Park Service reported that air quality in the park reached unhealthy levels due to elevated concentrations of fine particulate matter (PM2.5).
Several days later, the Grand Park 2 fire was observed burning within park boundaries, about 3 miles north of the Sunrise Visitor Center. As of August 12, the fire had burned 223 acres (90 hectares) and was uncontained; the cause was yet undetermined.
Above-normal fire potential was expected to persist across the Northwest through August, according to an outlook from the National Interagency Fire Center. Warm, dry weather—conditions influenced by El Niño—combined with cured fuels to set the stage for large, long-burning fires following lightning- or human-caused ignitions.
Astronaut photographs ISS075-E-1705 and ISS075-E-2221 were acquired on July 31, 2026, and August 4, 2026, respectively, with a Nikon Z9 digital camera using a focal length of 400 millimeters. They are provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit at NASA Johnson Space Center. The images were taken by a member of the Expedition 75 crew. The images have been cropped and enhanced to improve contrast, and lens artifacts have been removed. The International Space Station Program supports the laboratory as part of the ISS National Lab to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth. Story by Kathryn Hansen.
Stay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.

Wildland fires in early August 2026 pushed air quality to unhealthy levels, destroyed hundreds of structures, and triggered mandatory evacuations…

The blaze burned more than 150 square miles and swept through parts of a ski resort.

Canadian wildfires sent plumes of smoke streaming over Ontario, Quebec, and parts of the U.S. Midwest and Northeast.
2026-08-12 20:40
3 min read
The barren lunar landscape has some important resources, such as water and minerals like iron and titanium, but extracting and processing them will require special equipment. Where those resources can be found will dictate where to land and how to mine them. To help with that, Lunar Station Corp. is using a wealth of NASA data in multiple computer models.
“With 60 years of lunar data available to us, we help our clients understand the environmental factors for any given location on the Moon,” said Blair DeWitt, CEO of Lunar Station. Combining disparate data from different sensors used by NASA and other space agencies is a critical first step. One NASA resource the Cambridge, Massachusetts-based company used to build terrain maps is the Ames Stereo Pipeline. The open-source code automatically processes images captured from satellites, robotic rovers, historical images, and more to create a 3D model revealing features such as rock placement and elevation.
But the availability of in-situ lunar water resources at any location is largely unknown, according to Gerry Sanders, in-situ resource utilization system capability lead at NASA’s Johnson Space Center in Houston. To begin to fill that gap, the Lunar Crater Observation and Sensing Satellite was designed to crash its uppers stage into the Moon’s South Pole in 2009. The examination of the resulting plume revealed the presence of water ice.
Lunar Station is building on that work and more to help commercial space companies with mission planning, which includes scientific research for mining operations. The MoonHacker program uses proprietary geospatial analytics platform and advanced algorithms to fuse all the lunar data in NASA’s Planetary Data System to help identify indicators for shallow pits of lunar water.
“We can find sites for landing pads, for cultivating the best paths for roving, and inform our clients about communications. If you can’t see Earth at a given location like in the polar regions or the far side of the Moon, you have to come up with a relay strategy,” said DeWitt. “We can do this in part thanks to NASA data.”
In MoonHacker’s Radiation Simulator, an electronic version of a company’s rover or satellite, called a digital twin, can be subjected to the radiation en route or at the mission site to determine the protection required.
These innovations exemplify the purpose of NASA’s Technology Transfer program within the Research and Technology Mission Directorate, which uses space-based solutions to improve life on Earth. For 50 years, NASA has documented the everyday benefits of space technology through the agency’s Spinoff publication.
2026-08-12 20:08
A total solar eclipse is seen from San Millán de los Caballeros, Spain, Wednesday, Aug. 12, 2026. A total solar eclipse – the Moon passing between the Sun and Earth, completely blocking the face of the Sun – swept across parts of Greenland, Iceland, northern Russia, the Atlantic Ocean, Spain, and a small corner of Portugal. A partial eclipse was visible in parts of the U.S., most of Canada, much of Europe, and northwest Africa.
Relive the eclipse on NASA’s YouTube channel.
Image credit: NASA/Bill Ingalls
2026-08-12 17:55
2 min read
Imagine stepping into a machine that can make you feel like you’re flying a spacecraft, piloting a next generation air taxi, or landing on the Moon, all without leaving the ground. NASA’s Vertical Motion Simulator, the largest of its kind in the world, does exactly that. And now, with new upgrades, it’s more powerful and realistic than before.
The Vertical Motion Simulator, located at NASA’s Ames Research Center in California’s Silicon Valley, has shaped the future of aviation and spaceflight since 1979. It allows pilots and researchers to experience realistic aircraft motion due to its ability to travel 60 feet vertically and 40 feet horizontally, simulating vehicles ranging from helicopters to spacecraft with high accuracy.
New improvements are making the simulator even more powerful. One of the biggest changes is the switch from analog systems to modern digital technology. This upgrade includes a dome surrounding the simulator’s cockpit with advanced 4K projectors that create visuals with nearly 20/20 clarity, giving pilots clearer, sharper images and a larger field of view of the world outside the cockpit.
“The new dome configuration and improved systems can support far more aggressive mission tasks while giving pilots and crews a more realistic environment to work in,” said Diana Acosta, aerospace simulation research and development branch chief at NASA Ames. “It strengthens how teams coordinate, react, and manage challenging scenarios, exactly the kind of preparation we need for the missions coming next.”
The system also can automatically line up and color‑match images to integrate them into a simulated background, a process that used to take hours, or even days, to do by hand.
In the past, changing simulation configurations from lunar lander to air taxi required swapping out the cab, a large, heavy structure that was time‑consuming and complex to move. Instead of replacing an entire cab, teams can use lighter, removable inserts that include only the controls, seats, and panels needed to stand in for a specific vehicle. The inserts drastically reduce physical labor and cut the time needed to configure a simulation in half.
The upgrades to the Vertical Motion Simulator will enable tests of next-generation aircraft and spacecraft before they ever leave the ground, bringing us closer to safer skies, more efficient air travel, and successful human landings on the Moon and Mars.
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