NASA Astronaut Anil Menon Training in Houston | International Space Station
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Saturday, March 14, 2026
NASA Astronaut Anil Menon Training in Houston | International Space Station
NASA Astronaut Spacewalk Preparations | International Space Station
NASA Astronaut Spacewalk Preparations | International Space Station
Station Commander: Sergey-Kud Sverchkov (Russia)
Roscosmos (Russia) Flight Engineers: Andrey Fedyaev, Sergei Mikaev
Zodiacal Light over Arizona | Earth Science
Zodiacal Light over Arizona | Earth Science
Astrophotographer David Blanchard: "The zodiacal light was easy to see over northern Arizona on Thursday night. This was taken just before the end of astronomical twilight."
Dust orbiting the Sun. At certain times of the year, a band of sun-reflecting dust from the inner Solar System appears prominently just after sunset—or just before sunrise—and is called zodiacal light. Although the origin of this dust is still being researched, a leading hypothesis holds that zodiacal dust originates mostly from faint Jupiter-family comets and that it slowly spirals into the Sun.
Arizona is a landlocked state in the Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the northwest and California to the west, and shares an international border with the Mexican states of Sonora and Baja California to the south and southwest.
Location: Flagstaff, Arizona
Release Date: March 12, 2026
The Necklace Nebula of Sagitta: "In the Sky with Diamonds" | Hubble
The Necklace Nebula of Sagitta: "In the Sky with Diamonds" | Hubble
The Necklace Nebula also goes by the less glamorous name of PN G054.2-03.4. It was produced by a pair of tightly orbiting Sun-like stars. Roughly 25,000 years ago, one of the aging stars expanded and engulfed its smaller companion, creating something astronomers call a “common envelope”. The smaller star continued to orbit inside its larger companion, increasing the bloated giant’s rotation rate until large parts of it spun outwards into space. This escaping ring of debris formed the Necklace Nebula with particularly dense clumps of gas forming the bright “diamonds” around the ring.
The pair of stars that created the Necklace Nebula remain so close together—separated by only a few million kilometers—that they appear as a single bright dot in the center of this image. Despite their close encounter the stars are still furiously whirling around each other, completing an orbit in just over a day.
Release Date: April 26, 2021
Friday, March 13, 2026
Globular Cluster NGC 6496 in Scorpius: A Heavy-metal Home | Hubble
Globular Cluster NGC 6496 in Scorpius: A Heavy-metal Home | Hubble
A handful of these high-metallicity stars are also variable stars, meaning that their brightness fluctuates over time. NGC 6496 hosts a selection of long-period variables—giant pulsating stars whose brightness can take up to, and even over, a thousand days to change—and short-period eclipsing binaries, which dim when eclipsed by a stellar companion.
The nature of the variability of these stars can reveal important information about their mass, radius, luminosity, temperature, composition, and evolution, providing astronomers with measurements that would be difficult or even impossible to obtain through other methods.
NGC 6496 was discovered in 1826 by Scottish astronomer James Dunlop. The cluster resides at about 35,000 light-years away in the southern constellation of Scorpius (The Scorpion).
Acknowledgement: Judy Schmidt (Geckzilla)
Release Date: May 30, 2016
The Optical Telescope Element Pathfinder | James Webb Space Telescope
The Optical Telescope Element Pathfinder | James Webb Space Telescope
Joining other historic NASA missions like Apollo, Voyager, and the Discovery Space Shuttle, Webb’s Optical Telescope Element Pathfinder (OTE Pathfinder) has made its way to the Steven F. Udvar-Hazy Smithsonian museum for permanent display.
The Pathfinder is the largest intact mirror support structure of its kind, comprised of exotic lightweight materials invented for the purpose of seeing near to the very limits of the observable universe.
This unique piece of hardware served a critical role in ensuring mission success by enabling engineers to build a comprehensive testing program to validate and ensure the most complicated optical system ever built would work flawlessly after launch.
Producer / Writer: Thaddeus Cesari
Editor: Paul Morris
Images: NASA, ESA, CSA, STSci
Special Thanks to the Smithsonian's National Air and Space Museum
Duration: 2 minutes
Release Date: March 13, 2026
NASA Artemis II Crew Moon Mission Menu | Johnson Space Center
NASA Artemis II Crew Moon Mission Menu | Johnson Space Center
The food flying aboard Artemis II is designed to support crew health and performance during the mission around the Moon. With no resupply, refrigeration, or late-load capability, all meals must be carefully selected to remain safe, shelf-stable, and easy to prepare and consume in NASA’s Orion spacecraft. Food selections are developed in coordination with space food experts and the crew to balance calorie needs, hydration, and nutrient intake while accommodating individual crew preferences.
Here are a frequently asked questions about how NASA designs and prepares food systems for Artemis II to support crew health:
Food selection for Artemis II considers shelf life, food safety, nutritional value, crew preference, and compatibility with Orion’s mass, volume, and power requirements. Foods must be easy to prepare and consume in microgravity, minimize crumbs, and remain safe and stable throughout the mission. The crew provided input well before the meals were packed for the test flight.
On a typical mission day—excluding launch and reentry—astronauts have scheduled time for breakfast, lunch, and dinner. Each astronaut is allotted two flavored beverages per day, which may include coffee. Beverage options are limited due to upmass constraints, which restrict how much food and drink can be carried onboard.
Fresh foods will not be flying on Artemis II as Orion does not have refrigeration nor the late load capability required for fresh foods. Shelf-stable foods help manage food safety and quality throughout the intended shelf life in a compact, self-contained spacecraft, while also reducing the risk of crumbs or particulates in microgravity.
Artemis II menus reflect decades of advancement in space food systems. Apollo missions relied on early food technologies with limited variety, while space shuttle missions expanded menu options and onboard preparation. The International Space Station benefits from regular resupply and occasional fresh foods. In contrast, Artemis II uses a fixed, pre-selected menu designed for a self-contained space vehicle with no resupply.
The Artemis II crew has direct input into menu selection. Crew members sample, evaluate, and rate all foods on the standard menu during preflight testing, and their preferences are balanced with nutritional requirements and what Orion can accommodate. Final, crew-specific menus are set well before launch. Two to three days’ worth of food for each crewmember is packed together in a single container, providing flexibility for meal selection during the mission.
Menus are tailored based on the spacecraft’s food preparation capabilities during each hase of flight. Certain foods, such as freeze-dried meals, require hydration using Orion’s potable water dispenser. This capability is not available during some phases, including launch and landing. As a result, foods selected for those phases must be ready-to-eat and compatible with the spacecraft’s operational constraints, while a broader range of food options are available once full food preparation systems are up and running.
Food aboard Orion is ready-to-eat, rehydratable, thermostabilized, or irradiated. The crew uses Orion’s potable water dispenser to rehydrate foods and beverages and a compact, briefcase-style food warmer to heat meals as needed.
Designing food systems for Orion requires balancing nutrition, safety, and crew preference within strict mass, volume, and power limits inside a compact, shared cabin.
Foods must be easy to store, prepare, and consume in microgravity while minimizing crumbs and waste. Preparation is intentionally simple, using ready-to-eat, rehydratable, thermostabilized, or irradiated foods that can be safely prepared without interfering with crew operations or spacecraft systems.
The Artemis II test flight will take Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialist Christina Koch from NASA and Mission Specialist Jeremy Hansen from the Canadian Space Agency (CSA), around the Moon and back to Earth
Artemis II will pave the way for new U.S. crewed missions on the lunar surface in preparation to send the first astronauts to Mars.
#NASA #Space #Science #Earth #Moon #ArtemisProgram #ArtemisII #OrionSpacecraft #SLS #SLSRocket #CrewedMissions #Astronauts #DeepSpace #MoonToMars #Engineering #SpaceTechnology #HumanSpaceflight #SolarSystem #SpaceExploration #JSC #Houston #Texas #UnitedStates #CSA #Canada #Infographics #STEM #Education
Cygnus NG-23 XL Cargo Spacecraft Departure | International Space Station
Cygnus NG-23 XL Cargo Spacecraft Departure | International Space Station
Expedition 74 Flight Engineer and NASA Astronaut Jessica Meir: "Another day on the International Space Station brings the departure of another vehicle, the last of our three cargo vehicles on the US Operating Segment (USOS). Today, we bid farewell to the Northrop Grumman Cygnus NG-23 cargo vehicle, named after our late colleague NASA astronaut Willie McCool.
As I watched Cygnus disappear over the horizon, I took a moment to reflect and honor Willie, and all of the STS-107 crew, who honorably gave their lives in their effort to advance science and space exploration.
Godspeed S.S. William 'Willie' C. McCool, thank you for your service!"
At 7:06 a.m. EDT, March 12, 2026, Northrop Grumman’s Cygnus XL was released from the Canadarm2 robotic arm that earlier detached the cargo spacecraft from the Earth-facing port of the International Space Station’s Unity module. At the time of release, the station was flying about 260 miles over the south Atlantic Ocean.
The Cygnus XL spacecraft successfully departed the space station more than seven months after arriving at the orbiting laboratory to deliver about 11,000 pounds of supplies, scientific investigations, commercial products, hardware and other cargo for NASA and its international partners.
The spacecraft will be commanded to deorbit on Saturday, March 14, to dispose of several thousand pounds of trash during its re-entry into Earth’s atmosphere, where it will "harmlessly" burn up.
Station Commander: Sergey-Kud Sverchkov (Russia)
Roscosmos (Russia) Flight Engineers: Andrey Fedyaev, Sergei Mikaev
CG 4 in Puppis: The Globule and The Galaxy
CG 4 in Puppis: The Globule and The Galaxy
Is this a cosmic monster ready to devour an unsuspecting galaxy?
Thankfully, that is not the case. The red “monster” shown in the featured image is cometary globule CG 4, 1,300 light-years away in the constellation Puppis. CG 4 is a molecular cloud, where hydrogen becomes cold enough to form molecules that can be brought together by gravity to create stars. The shape of CG 4 resembles that of a comet, but its head is 1.5 light-year in diameter and its tail is 8 light-years long; for comparison, the distance from the Earth to the sun is only 8 light-minutes.
Astronomers think that the tail of a cometary globule could have been shaped by a nearby supernova explosion or by irradiation from hot, massive stars. Indeed, CG 4 and other nearby globules point away from the Vela Supernova Remnant, at the center of the Gum Nebula. The edge-on spiral galaxy, ESO 257-19, is more than a hundred million light-years beyond CG 4, and is completely safe from the “monster”.
William's website: https://www.stellaraustralis.com
Text: Cecilia Chirenti (NASA GSFC, UMCP, CRESST II)
Release Date: March 11, 2026
Inside the World's Largest Telescope: "It's Progressing Fast!" | ESO
Inside the World's Largest Telescope: "It's Progressing Fast!" | ESO
Altitude: 3,046 meters
Planned year of technical first light: 2027
Directed by: L. Calçada, M. Kornmesser, N. Schäfer
Hosted by: S. Randall
Written by: S. Randall, K.-M. Mikosch
Editing: M. Kornmesser, L. Calçada
Videography: A. Tsaousis, N. Schäfer
Animations & footage: ESO, L. Calçada, M. Kornmesser, J. C. Muñoz-Mateos, G. Vecchia, A. Tsaousis, Google Earth, CIMOLAI/S. Petković, H.-H. Heyer, SCHOTT AG, G. Hüdepohl Safran, Chepox, M. Wallner, J. Beltrán, E. Garcéss
Filming Locations: Cerro Armazones and ELT
Acknowledgements: D. Deina, R. Parra, B. Koehler, ACe/Cimolai, SCHOTT, Safran Reosc, PI - Physik Instrumente, FAMES (Micro-Epsilon Messtechnik, Fogale Nanotech), VDL ETG Projects B.V.
Duration: 10 minutes
Release Date: March 13, 2026
China CAS Space Commercial Liqing-2 Rocket Engine Completes Long-Range Test
China CAS Space Commercial Liqing-2 Rocket Engine Completes Long-Range Test
China's liquid oxygen kerosene engine, the Liqing-2, developed by CAS Space, completed a long-range test on Thursday, March 12, 2026, marking a significant milestone in the advancement of reusable rocket technology.
During the test, the 110-tonne pin engine underwent multiple ignitions. The longest single operation lasted 200 seconds, contributing to a total operational time of 420 seconds, covering the flight duration of the first stage of the rocket. The engine's cumulative testing time has now surpassed 1,000 seconds.
"This marks that the engine can enter the reliability verification testing phase, preparing for mass production," said Chen Zhan, chief designer of the Liqing-2.
The Liqing-2 features a pin nozzle design, incorporating a pin-like protrusion at the center of the engine nozzle. This design allows for precise thrust control through a simple structure, making it highly reliable and an essential technology for reusable rockets. Compared to conventional designs, the Liqing-2 is more cost-effective and lighter, balancing high performance with economic efficiency.
"The pin nozzle injector comes at a relatively low cost. The successful development of this type of rocket engine means that China's commercial aerospace sector will have greater capabilities, more options, and lower costs, contributing to the industry's high-quality growth," said Chen.
The Liqing-2 will serve as the main engine for the reusable rockets Lijian-2 and Kinetica-2H.
CAS Space is a commercial spaceflight company established by the Institute of Mechanics under the Chinese Academy of Sciences.
Kerosene has several advantages as a rocket fuel. It is generally cheaper, and denser, while remaining stable at room temperature. It is easier to handle and is not toxic like hypergolic propellents. Kerosene is readily transportable and has no leakage issues similar to liquid hydrogen (LH2). It also has a higher energy density and presents a lower explosion hazard than LH2. Kerosene rocket engines produce more thrust per unit cost.
Duration: 1 minute, 16 seconds
Release Date: March 13, 2026
Japan's HTV‑X1 Cargo Spacecraft Departure | International Space Station
Japan's HTV‑X1 Cargo Spacecraft Departure | International Space Station
The HTV‑X1 cargo spacecraft from the Japan Aerospace Exploration Agency (JAXA) is shown in the grasp of the Canadian Space Agency's Canadarm2 robotic arm after being detached from the Earth‑facing port of the International Space Station’s Harmony module, along with its release on March 6, 2026.
The HTV-X1 spacecraft successfully departed the station more than four months after arriving to deliver more than 9,000 pounds of supplies, scientific investigations, commercial products, hardware and other cargo for NASA and its international partners.
https://humans-in-space.jaxa.jp/en/htv-x/
Station Commander: Sergey-Kud Sverchkov (Russia)
Roscosmos (Russia) Flight Engineers: Andrey Fedyaev, Sergei Mikaev
Image Date: March 6, 2026
Thursday, March 12, 2026
Cygnus NG-23 Cargo Spacecraft Departure | International Space Station
Cygnus NG-23 Cargo Spacecraft Departure | International Space Station
Expedition 74 Flight Engineer and NASA Astronaut Jessica Meir: "Another day on the International Space Station brings the departure of another vehicle, the last of our three cargo vehicles on the US Operating Segment (USOS). Today, we bid farewell to the Northrop Grumman Cygnus NG-23 cargo vehicle, named after our late colleague NASA astronaut Willie McCool.
As I watched Cygnus disappear over the horizon, I took a moment to reflect and honor Willie, and all of the STS-107 crew, who honorably gave their lives in their effort to advance science and space exploration.
Godspeed S.S. William 'Willie' C. McCool, thank you for your service!"
At 7:06 a.m. EDT, March 12, 2026, Northrop Grumman’s Cygnus XL was released from the Canadarm2 robotic arm that earlier detached the cargo spacecraft from the Earth-facing port of the International Space Station’s Unity module. At the time of release, the station was flying about 260 miles over the south Atlantic Ocean.
The Cygnus XL spacecraft successfully departed the space station more than seven months after arriving at the orbiting laboratory to deliver about 11,000 pounds of supplies, scientific investigations, commercial products, hardware and other cargo for NASA and its international partners.
The spacecraft will be commanded to deorbit on Saturday, March 14, to dispose of several thousand pounds of trash during its re-entry into Earth’s atmosphere, where it will "harmlessly" burn up.
Station Commander: Sergey-Kud Sverchkov (Russia)
Roscosmos (Russia) Flight Engineers: Andrey Fedyaev, Sergei Mikaev
Date: March 12, 2026
Alpha Flight 7 Rocket Launch Successful | Firefly Aerospace
Alpha Flight 7 Rocket Launch Successful | Firefly Aerospace
Firefly Aerospace has announced the successful launch of its Alpha Flight 7 Stairway to Seven Mission. Alpha lifted off from Firefly’s Space Launch Complex 2 at the Vandenberg, California, at 5:50 pm Pacific Daylight Time (PDT) on March 11, 2026, before completing an orbital insertion and delivering a demonstrator payload for Lockheed Martin. Firefly’s Alpha rocket also performed a stage two engine relight and validated key Alpha Block II upgrades, including a new in-house avionics suite and enhanced thermal protection system, ahead of the full Block II configuration upgrade planned for Flight 8.
The Firefly team is now working to complete the final milestones for Alpha Flight 8 that is set to launch the full Block II configuration upgrade designed to enhance reliability and manufacturability across the vehicle. The upgrades include a 7-foot increase to Alpha’s length, consolidated batteries and avionics built in house, improved thermal protection system, and stronger carbon composite structures built with automated machinery.
https://fireflyspace.com/news/firefly-aerospace-successfully-launches-alpha-flight-7/
https://fireflyspace.com/alpha/
Image Date: March 11, 2026
#NASA #Space #Science #Satellites #FireflyAerospace #AlphaRocket #AlphaLaunchVehicle #RocketLaunch #FLTA007 #StairwayToSevenMission #Vandenburg #California #CommercialSpace #LockheedMartin #UnitedStates #STEM #Education
Alpha Flight 7 Rocket Launch Successful | Firefly Aerospace
Alpha Flight 7 Rocket Launch Successful | Firefly Aerospace
Firefly Aerospace has announced the successful launch of its Alpha Flight 7 Stairway to Seven Mission. Alpha lifted off from Firefly’s Space Launch Complex 2 at the Vandenberg, California, at 5:50 pm Pacific Daylight Time (PDT) on March 11, 2026, before completing an orbital insertion and delivering a demonstrator payload for Lockheed Martin. Firefly’s Alpha rocket also performed a stage two engine relight and validated key Alpha Block II upgrades, including a new in-house avionics suite and enhanced thermal protection system, ahead of the full Block II configuration upgrade planned for Flight 8.
The Firefly team is now working to complete the final milestones for Alpha Flight 8 that is set to launch the full Block II configuration upgrade designed to enhance reliability and manufacturability across the vehicle. The upgrades include a 7-foot increase to Alpha’s length, consolidated batteries and avionics built in house, improved thermal protection system, and stronger carbon composite structures built with automated machinery.
https://fireflyspace.com/news/firefly-aerospace-successfully-launches-alpha-flight-7/
https://fireflyspace.com/alpha/
Duration: 1 minute, 13 seconds
Release Date: March 12, 2026
#NASA #Space #Science #Satellites #FireflyAerospace #AlphaRocket #AlphaLaunchVehicle #RocketLaunch #FLTA007 #StairwayToSevenMission #Vandenburg #California #CommercialSpace #LockheedMartin #UnitedStates #STEM #Education #HD #Video
Sagittarius Star Field in The Milky Way Galaxy | Hubble Space Telescope
Sagittarius Star Field in The Milky Way Galaxy | Hubble Space Telescope
This stunning image, captured by the NASA/European Space Agency Hubble Space Telescope’s Advanced Camera for Surveys (ACS), shows part of the sky in the constellation of Sagittarius (The Archer). The region is rendered in exquisite detail—deep red and bright blue stars are scattered across the frame, set against a background of thousands of more distant stars and galaxies. Two features are particularly striking: the colors of the stars, and the dramatic crosses that burst from the centers of the brightest bodies.
While colors in this frame have been enhanced and tweaked during the process of creating the image from the observational data, stars glow in distinct colors. They range in color according to their surface temperature—very hot stars are blue or white, while cooler stars are redder. They may be cooler because they are smaller, or because they are very old and have entered the red giant phase, when an old star expands and cools dramatically as its core collapses.
The crosses are nothing to do with the stars themselves, and, because Hubble orbits above Earth’s atmosphere, nor are they due to any kind of atmospheric disturbance. They are actually known as diffraction spikes, and are caused by the structure of the telescope itself. Like all big modern telescopes, Hubble uses mirrors to capture light and form images. Its secondary mirror is supported by struts, called telescope spiders, arranged in a cross formation. They diffract the incoming light. Diffraction is the slight bending of light as it passes near the edge of an object. Every cross in this image is due to a single set of struts within Hubble. While the spikes are technically an inaccuracy, many astrophotographers choose to emphasize and celebrate them as a beautiful feature of their images.
The Hubble Space Telescope is a joint ESA/NASA project and was launched in 1990 by the Space Shuttle mission STS-31 into a low-Earth orbit 600 km above the ground. During its lifetime Hubble has become one of the most important science projects ever.
Release Date: Jan. 16, 2017
#NASA #ESA #Astronomy #Space #Science #Stars #SagittariusConstellation #MilkyWayGalaxy #Cosmos #Universe #HubbleSpaceTelescope #HST #Europe #GSFC #STScI #UnitedStates #STEM #Education
























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