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Supercomputer Simulation Sheds Light on Moon’s Origin | NASA Ames
A new NASA and Durham University simulation puts forth a different theory of the Moon’s origin—the Moon may have formed in a matter of hours, when material from the Earth and a Mars sized-body were launched directly into orbit after the impact. The simulations used in this research are some of the most detailed of their kind, operating at the highest resolution of any simulation run to study the Moon’s origins or other giant impacts.
Explore Eight New Galleries at the National Air and Space Museum (USA)
"Think you’ve checked the National Air and Space Museum off of your must-see list? Think again. We have just opened brand-new exhibitions at our location on the National Mall in Washington, DC, that are must-sees for anyone who thinks aviation and space are cool—no matter how many times you’ve visited before."
NASA's SpaceX Crew-4 Undocking & Departure | International Space Station
The SpaceX Dragon Freedom spacecraft with NASA astronauts Bob Hines, Kjell Lindgren, and Jessica Watkins, as well as European Space Agency (ESA) astronaut Samantha Cristoforetti of Italy inside undocked from the space-facing port of the International Space Station’s Harmony module at 12:05 p.m. EDT to complete a nearly six-month science mission.
NASA will continue to provide live coverage until Freedom splashes down at approximately 4:55 p.m. EDT near Jacksonville off the coast of Florida and the Crew-4 astronauts are recovered.
NASA’s SpaceX Crew-4 mission launched Apr. 27, 2022, on a Falcon 9 rocket from the NASA's Kennedy Space Center in Florida and docked to the International Space Station later the same day.
Dragon’s hatch closing, undocking, and splashdown coverage is airing live on NASA Television, the NASA app, and the agency’s website. NASA also will host an audio-only post-splashdown news teleconference.
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada. The ISS has been the most politically complex space exploration program ever undertaken.
SpaceX Crew-4 Dragon Hatch Closure | International Space Station
At 10:20 a.m. EDT Friday, Oct. 14, 2022, the hatch closed between the Dragon Freedom spacecraft and the International Space Station in preparation for undocking and return to Earth of NASA’s SpaceX Crew-4 mission with NASA astronauts Bob Hines, Kjell Lindgren, and Jessica Watkins, as well as European Space Agency (ESA) astronaut Samantha Cristoforetti of Italy.
Crew-4 is SpaceX’s fourth operational mission for NASA’s Commercial Crew Program (CCP). The “Freedom” Crew Dragon spacecraft is scheduled to autonomously undock and depart the International Space Station on October 14, 2022, at 15:35 UTC (11:35 EDT).
Dragon’s hatch closing, undocking, and splashdown coverage is airing live on NASA Television, the NASA app, and the agency’s website. NASA also will host an audio-only post-splashdown news teleconference.
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada. The ISS has been the most politically complex space exploration program ever undertaken.
NASA's Lucy Spacecraft Will Slingshot Around Earth | Goddard Space Flight Center
NASA’s Lucy Mission is heading to the Jupiter Trojans—two swarms of primitive asteroids trapped in Jupiter’s orbit that may hold clues to the formation of the planets. Lucy launched on October 16, 2021. After a year in orbit around the Sun, it is returning home on its launch anniversary for the first of three Earth gravity assists. On October 16, 2022, Lucy will fly by the Earth like a partner in a swing dance, boosting its speed and elongating its orbit around the Sun. At 7:04 am, Eastern Time, Lucy will make its closest approach at just 219 miles above the planet: lower than the International Space Station. This exceptionally close shave will increase its velocity by four-and-a-half miles per second, setting Lucy on track to gain even more speed when it returns to Earth for its second gravity assist in December 2024.
NASA's SpaceX Crew-4 Marks Last Days on International Space Station
Astronaut Jessica Watkins is pictured eating a meal
Astronaut Samantha Cristoforetti works on a laptop computer
Astronaut Bob Hines is pictured looking at the Earth below
Astronaut Kjell Lindgren signs his name on the Harmony module
Astronaut Bob Hines signs his name on the Harmony module
Astronaut Samantha Cristoforetti signs her name on the Harmony module
Astronaut Jessica Watkins signs her name on the Harmony module
The aurora australis intersects Earth's atmospheric glow
NASA and SpaceX now are targeting no earlier than 11:35 a.m. EDT Friday, Oct. 14, for the agency’s Crew-4 undocking from the International Space Station to begin their return trip to Earth completing a nearly six-month science mission in orbit. Splashdown is targeted several hours later at approximately 4:50 p.m. off the coast of Florida.
NASA will provide live coverage of the upcoming return activities for the Crew-4 mission with NASA astronauts Bob Hines, Kjell Lindgren, and Jessica Watkins, as well as European Space Agency (ESA) astronaut Samantha Cristoforetti of Italy.
Dragon’s hatch closing, undocking, and splashdown coverage will air live on NASA Television, the NASA app, and the agency’s website. NASA also will host an audio only post-splashdown news teleconference.
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada. The ISS has been the most politically complex space exploration program ever undertaken.
NASA's Space to Ground: A Full House | Week of Oct. 14, 2022
NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station. NASA and SpaceX now are targeting no earlier than 11:35 a.m. EDT Friday, Oct. 14, for the agency’s Crew-4 undocking from the International Space Station to begin their return trip to Earth completing a nearly six-month science mission in orbit. Splashdown is targeted several hours later at approximately 4:50 p.m. off the coast of Florida.
NASA will provide live coverage of the upcoming return activities for the Crew-4 mission with NASA astronauts Bob Hines, Kjell Lindgren, and Jessica Watkins, as well as European Space Agency (ESA) astronaut Samantha Cristoforetti.
Dragon’s hatch closing, undocking, and splashdown coverage will air live on NASA Television, the NASA app, and the agency’s website. NASA also will host an audio only post-splashdown news teleconference.
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada. The ISS has been the most politically complex space exploration program ever undertaken.
Chinese Astronaut Liu Yang Shows Progress of Plant Growth | China Space Station
How does rice grow in space? Astronaut Liu Yang in China's space station shows the progress of plant growth in the new Wentian lab module, during a livestreamed science class to students on Earth.
Liu became the first Chinese woman in space during the Shenzhou-9 Mission in 2012. Shenzhou-14 is her second space mission.
Our Sun: A Strong X1 Solar Flare | NASA's Solar Dynamics Observatory
The Sun released an X1 solar flare, a powerful burst of energy, captured by NASA's Solar Dynamics Observatory (SDO) on Oct. 2, 2022. X-class are the most intense flares, while the number provides more information about its strength. For instance, an X1 flare is half as strong as an X2. While solar flares can affect radio communications, power grids, and navigation signals, harmful radiation from a solar flare cannot pass through Earth’s atmosphere to physically affect humans on the ground. By studying flares and how they affect our planet and nearby space, the SDO helps us to better prepare for and mitigate these potential disruptions.
Image Description:
The Sun is gold with a mottled, swirling surface. Glowing particles burst out from the edge on the lower right and most of the upper left against the black background of space.
Pair of Interacting Stars Create Concentric Rings of Dust | NOIRLab
Ryan Lau, an astronomer at the National Science Foundation’s NOIRLab, has led some of the first observations with NASA’s James Webb Space Telescope, finding at least 17 rings of dust emanating from a binary star system. The new data show that the dust is rich in carbon and seems to be surviving to seed space far beyond its parent star with heavy elements, meaning it could play a role in the formation of later stars and planets.
Credit: NASA, ESA, CSA, STScI, JPL-Caltech; NOIRLab/NSF/AURA
Season 5, Episode 4: When Artemis astronauts land on the Moon, they will travel to sites never before visited by humans. Namely, they will explore the South Pole region, home to the Moon’s largest crater, areas of near-constant light and deep shadows, and some of the coldest temperatures in the solar system.
Exploring the South Pole will teach us more about the Moon’s history, as well as the history of our solar system. It is home to frozen water, which is crucial for living sustainably on the lunar surface and exploring deeper into the solar system.
Artemis astronauts will explore the Moon on behalf of all of us and bring back lunar rocks and soil for analyses by generations of scientists who will help us gain unimaginable insights into our cosmic history.
Series Executive Producers: Katy Mersmann/Lauren Ward
Season Producers: Lonnie Shekhtman/Stephanie Sipila/James Tralie/Molly Wasser
Explorers: Jose Aponte/Natalie Curran/Julie Mitchell/Adam Naids/Noah Petro/Kelsey Young/Jessica Watkins
Credit: National Aeronautics and Space Administration (NASA)
SpaceX Crew-5 Dragon Endurance Approaches International Space Station
SpaceX Dragon Endurance and the waxing gibbous Moon
SpaceX Dragon Endurance and the waxing gibbous Moon
SpaceX Dragon Endurance and the Earth's horizon
SpaceX Dragon Endurance above Pacific Ocean
SpaceX Dragon Endurance approaches International Space Station
SpaceX Dragon Endurance approaches International Space Station
NASA astronauts Nicole Mann and Josh Cassada, JAXA (Japan Aerospace Exploration Agency) astronaut Koichi Wakata, and Roscosmos cosmonaut Anna Kikina (Russia) arrived at the International Space Station Thursday Oct. 6, 2022, as the SpaceX Dragon Endurance docked to the complex at 5:01 p.m. EDT while the spacecraft were flying 258 miles above the west coast of Africa.
Credit: NASA's Johnson Space Center (JSC)/Kjell Lindgren
Tour: NASA's Chandra Finds Galaxy Cluster Collision on a "WHIM"
Astronomers taking inventory of the material in the local universe keep coming up short. A new result from NASA’s Chandra X-ray Observatory about a system of colliding galaxy clusters may help explain this shortfall.
Although scientists know a great deal about the composition of the universe, there has been a vexing problem they have struggled to explain— there is a significant amount of matter that has not yet been accounted for.
This missing mass is not the invisible dark matter, which makes up a majority of the matter in the universe. This is a separate puzzle where about a third of the "normal" matter that was created in the first billion years or so after the Big Bang has yet to be detected by observations of the local universe, that is, in regions less than a few billion light-years from Earth. This matter is made up of hydrogen, helium, and other elements and makes up objects like stars, planets, and humans.
Scientists have proposed that at least some of this missing mass could be hidden in gigantic strands, or filaments, of gas in the space in between galaxies and clusters of galaxies with temperatures between 10,000 and 10 million degrees. They have dubbed this the "warm-hot intergalactic medium," or WHIM.
A team of astronomers using Chandra to observe a system of colliding galaxy clusters has likely found evidence of this WHIM residing in the space between them. The researchers used Chandra to study Abell 98, which contains colliding galaxy clusters about 1.4 billion light years from Earth. The Chandra data reveal a bridge of X-ray emission between two of the colliding clusters containing gas at a temperature of about twenty million degrees and cooler gas with a temperature of about ten million degrees. The hotter gas in the bridge is likely from gas in the two clusters overlapping with each other. The temperature and density of the cooler gas agree with predictions for the hottest and densest gas in the WHIM. Only a few detections of the WHIM have previously been made.
In addition, the Chandra data show the presence of a shock wave, which is similar to a sonic boom from a supersonic plane. This shock wave is driven by and located ahead of one of the galaxy clusters as it is starting to collide with another cluster. This would be the first time that astronomers have found such a shock wave in the early stages of a galaxy cluster collision, before the centers of the clusters pass by one another.
Galaxy clusters—which contain thousands of galaxies, huge amounts of hot gas, and enormous reservoirs of dark matter—are the largest structures in the universe held together by gravity. Scientists think they are able to reach their colossal size by merging with one another over millions or billions of years. When galaxy clusters collide, astronomers get a chance to see extreme physics that they rarely see in any other cosmic setting.
Quick Look: NASA's Chandra Finds Galaxy Cluster Collision on a "WHIM"
NASA’s Chandra X-ray Observatory is helping to reconcile the Universe’s inventory of matter.
A new result shows evidence of "missing" mass made up of regular atoms. Researchers think this matter may be found in gigantic strands of superheated gas.
These strands are very difficult to find and require X-ray telescopes like Chandra.
Zooming in on Star WASP-76 with Exoplanet WASP-76b | ESO
The ultra-hot giant exoplanet WASP-76b orbits the star WASP-76, located some 390 light-years away in the constellation of Pisces. This video takes us on a journey to this system.
Observations of WASP-76b using the European Southern Observatory’s Very Large Telescope (VLT) suggest it rains iron on this extreme exoplanet.
Credit: European Southern Observatory (ESO)/L.CalƧada/spaceengine.org
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