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Beijing, China (SPX) Dec 08, 2022
If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures of the moon discovered in recent years. They take the shape of hollow pipe-shaped caves formed on the surface of the planet by volcanic activity. Because a lunar lava tube has a hard basalt roof, its internal
Washington DC (UPI) Dec 7, 2021
NASA's Mars helicopter Ingenuity completed its 35th flight over the weekend, setting a new altitude record of 46 feet in the thin Martian atmosphere. The 4-pound chopper's previous record was 39 feet, according to NASA's Ingenuity flight log. The helicopter was deployed from NASA's Perseverance rover that landed on the Martian surface in February 2021. Saturday's Ingenuity flight
Los Alamos NM (SPX) Dec 08, 2022
The standard view of gamma-ray bursts as a signature for different types of dying stars might need a rewrite. Recent astronomical observations, supported by theoretical modeling, reveal a new observational fingerprint of neutron-star mergers, which may shed light on the production of heavy elements throughout the universe. "Astronomers have long believed that gamma-ray bursts fell into two
Beijing, China (SPX) Dec 08, 2022
Designed for the "Meridian Space Weather Monitoring Project-II", five digital ionosondes have been installed and start operation at the observatories of this Project, according to the Aerospace Information Research Institute (AIR), Chinese Academy of Sciences (CAS) on November 16, 2022. The ionosphere stretches roughly 50 to 400 miles above Earth's surface, right at the edge of space, and

The Defense Innovation Unit is seeking proposals for commercial services to deploy and operate payloads in outer space beyond Earth orbit

The post Defense Innovation Unit seeks commercial options to deploy satellites in deep space appeared first on SpaceNews.

SLS engine section transport

NASA and Boeing are changing how they assemble the core stage of the Space Launch System, moving some of the final integration work to the Kennedy Space Center.

The post NASA and Boeing change SLS core stage assembly process appeared first on SpaceNews.

Absolut Group, a French cryogenic technology provider, said Dec. 7 it has ordered a demo nanosatellite for a constellation that would use sensors at very low temperatures to detect greenhouse gas leaks.

A bipartisan compromise version of the 2023 National Defense Authorization Act released overnight on Dec. 6 directs DoD to figure out a strategy to protect military satellites from threats in orbit.

How can karst caves be used as terrestrial simulation platform to test and design human base in Lunar lava tube?
Karst cave simulation platform. Credit: Space: Science & Technology (2022). DOI: 10.34133/2022/9875780

If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures on the moon discovered in recent years. They take the form of hollow pipe-shaped caves formed on the surface of the planet by volcanic activity.

Because a lunar tube has a hard basalt roof, its internal environmental factors such as temperature changes, radiation doses, and the probability of being hit by meteorites are relatively limited. As such, it offers in theory an ideal human lunar habitat. Until now, more than 300 potential cave entrances have been identified on the moon. The "skylights" they display are the result of a kind of pit caused by the active lava tube collapsing.

In a new article published in Space: Science & Technology, the research team led by Gengxin Xie and Linli Guo has discussed the feasibility of using lunar for human habitation, proposed the idea of using the Earth's caves to simulate extraterrestrial lava tubes, selected caves in Chongqing as the simulation site, and demonstrated the feasibility in terms of both structural and environmental aspects.

Will we ever go back to explore the ice giants? Yes, if we keep the missions simple and affordable
Other scientists have also urged the Decadal Survey to consider combining missions to the ice giants and KBOs. This image is from "Outer Solar System Exploration: A Compelling and Unified Dual Mission Decadal Strategy for Exploring Uranus, Neptune, Triton, Dwarf Planets, and Small KBOs and Centaurs.." Credit: Simon, Stern, Hofstadte

It's been over 35 years since a spacecraft visited Uranus and Neptune. That was Voyager 2, and it only did flybys. Will we ever go back? There are discoveries waiting to be made on these fascinating ice giants and their moons.

Dynetics lander

Teams led by Blue Origin and Dynetics, runners-up in NASA’s first competition to develop a lander to transport astronauts to the lunar surface, have submitted proposals for a NASA competition to select a second lander.

mars
Credit: Pixabay/CC0 Public Domain

In a new study, scientists demonstrate a new lidar technique that could help robotic vehicles avoid hazards when landing during future missions to Mars or the moon. The method uses flash lidar to record full 3D images with a single laser pulse, which prevents the motion blur that is present with traditional lidar approaches.

Farzin Amzajerdian from NASA Langley Research Center will present the new findings at the Optica Laser Congress, 11–15 December 2022. The presentation, titled "Development of a 3D Flash Lidar for Terrain Sensing and Safe Landing on Planetary Bodies," will be presented on-site and online in a hybrid format.

"Lidar technology plays a critical role in future missions to the moon, Mars, and other solar system bodies since they require precision safe at specific locations where valuable resources may be found or may lead to important scientific discoveries," said principal investigator, Farzin Amzajerdian, Ph.D.

A streamlined design

Flash is useful for several purposes throughout the process of landing . As a vehicle descends to a surface, lidar can be used to generate 3D terrain maps from an altitude of several kilometers to reduce position error.

MTG-I1 never to be seen again

Wednesday, 07 December 2022 14:17
Ariane 5 fairing ready to meet MTG-I1

As preparations to launch Europe’s first Meteosat Third Generation Imager satellite continue, the team at Europe’s Spaceport in Kourou, French Guiana, has bid farewell to their precious satellite as it was sealed from view within the Ariane 5 rocket’s fairing. This all-new weather satellite is set to take to the skies on 13 December.

Op-ed | Running the Space Playbook in Chile

Wednesday, 07 December 2022 13:44

Chile holds half or more of the world’s astronomy infrastructure, but the nation's future in space is not just relegated to looking up.

The post Op-ed | Running the Space Playbook in Chile appeared first on SpaceNews.

Launches secured for five Sentinel satellites

Wednesday, 07 December 2022 12:47
Artist's view of Vega-C on the launch pad

A contract signed today between ESA and Arianespace has ensured rides into orbit for five Copernicus Sentinels: Sentinel-1D, Sentinel-2C, Sentinel-3C, and the Copernicus Anthropogenic Carbon Dioxide-A and -B satellites. All the satellites will be launched on Vega-C rockets from Europe’s Spaceport in French Guiana and are scheduled to take place between 2024 and 2026.

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