Artemis 1 passes flight readiness review
An uncrewed test of NASA’s Space Launch System and Orion spacecraft moved a step closer to launch with the completion of a flight readiness review Aug. 22.
The post Artemis 1 passes flight readiness review appeared first on SpaceNews.
Wobbling droplets in space confirm late professor's theory
At a time when astronomers around the world are reveling in new views of the distant cosmos, an experiment on the International Space Station has given Cornell researchers fresh insight into something a little closer to home: water.
Specifically, the space station's microgravity environment illuminated the ways that water droplets oscillate and spread across solid surfaces - knowledge that US Navy military sealift command awards Inmarsat 10-year wideband follow-on contract
Inmarsat Government has announced that the Defense Information Systems Agency (DISA) has awarded Inmarsat Government the U.S. Navy Military Sealift Command (MSC) Next Generation Wideband (NGW) Follow-On (FO) Contract for worldwide end-to-end commercial satellite communications services.
An Indefinite-Delivery, Indefinite Quantity (IDIQ) contract, the ceiling value of the award is $578M ove Plate tectonics drives ocean oxygenation
Until now, it has been assumed that the oxygenation of the oceans over geological timescales has mainly been driven by atmospheric oxygen levels. However, a new study published in Nature on June 27 2022 suggests otherwise.
Work by scientists at the Biogeosciences Laboratory (CNRS/UBFC), together with their colleagues at the University of California's Department of Earth and Planetary Scien Media briefing: Artemis I getting ready for launch
Video:
00:57:00
The Artemis I mission is almost ready for launch: it will send an uncrewed spacecraft beyond the Moon and back.
Watch the replay of this virtual Q&A to learn more about Europe's contribution to the mission: ESA is overseeing the development of the European Service Module, that provides air, electricity and propulsion to the spacecraft. Participants to this media briefing include Josef Aschbacher, ESA Director General ; David Parker, ESA Director for Human and Robotic Exploration ; Jean-Marc Nasr, Airbus EVP Space Systems and Marc Steckling, Airbus Head of Space Exploration
Op-ed | The Space Launch System is America’s Space Program
NASA and America are on the precipice of a space renaissance with the maiden voyage of the Space Launch System Rocket, part of the NASA Artemis program.
The post Op-ed | The Space Launch System is America’s Space Program appeared first on SpaceNews.
Connecting the Dots | Regulating space power plants
While concepts for space-based solar power plants have been around for decades, the economics have not added up. That could be changing with the advent of renewable rockets and advancing in-orbit assembly capabilities.
Saturn V was loud but didn't melt concrete
The Saturn V carried man to the moon and remains the most powerful rocket to successfully launch to orbit. It captures the imagination—but sometimes, it might capture a bit too much imagination. Abundant internet claims about the acoustic power of the rocket suggest that it melted concrete and lit grass on fire over a mile away.
Such ideas are undeniably false. In The Journal of the Acoustical Society of America, researchers from Brigham Young University used a physics-based model to estimate the acoustic levels of the Saturn V. They obtained a value of 203 decibels, which matched the very limited data from the 1960s.
To put that number into perspective, commercial jet engines range from around 120 to 160 decibels.
"Decibels are logarithmic, so every 10 decibels is an order of magnitude increase," said author Kent L.
La NASA invita a la prensa a la primera prueba de defensa planetaria
La misión Prueba de redireccionamiento del asteroide doble (DART, por sus siglas en inglés) de la NASA, la primera en el mundo que pone a prueba una tecnología para defender a la Tierra de posibles peligros de asteroides o cometas, impactará con su objetivo, un asteroide que no supone ninguna amenaza para la Tierra, a las 7:14 pm EDT del lunes 26 d NASA Invites Media to Witness World’s First Planetary Defense Test
NASA’s Double Asteroid Redirection Test (DART), the world’s first mission to test technology for defending Earth against potential asteroid or comet hazards, will impact its target asteroid—which poses no threat to Earth—at 7:14 p.m. EDT on Monday, Sept. 26. 
