固体燃料，也就是NASA近期用于将宇航员送往月球的燃料，似乎是对臭氧层破坏性最大的一种燃料。
spacecraft
Posted inEditors' Highlights
Reconnecting to the Lunar Trailblazer with Light
Learning from the attempted rescue of the Lunar Trailblazer: how ground-based optical observations and laboratory measurements can improve recovery of the attitude of a spacecraft lost in space.
Posted inResearch & Developments
NASA Rushes to Buoy a Swiftly Sinking Telescope
The Neil Gehrels’ Swift Observatory is plummeting toward Earth, and NASA is spending $30 million to try to stop it.
Posted inResearch & Developments
Perseverance Spots Organic Matter on Mars
The Mars Perseverance rover has detected intact organic molecules near previously-described potential signatures of ancient life, according to a new study published today in Science Advances.
Posted inResearch Spotlights
The Speedy Particles That Could Help Us Learn More About Uranus
New simulations suggest that a spacecraft-mounted detector of energetic neutral atoms could improve our understanding of the ice giant’s environment, as well as the relationship between the planet, its magnetosphere, and the heliosphere.
Posted inScience Updates
Vast Space, Sparse Data: An AI Answer to Twin Space Weather Challenges
Modern machine learning and AI methods can help heliophysics researchers and space weather forecasters overcome limitations from a dearth of observations and the infrequency of extreme events.
Posted inResearch Spotlights
Rocket Launches and Reentries Harm Earth’s Ozone Layer
Solid-state fuels—recently used to help launch astronauts to the Moon for the first time in decades—appear to be the fuel type with the most detrimental effects on the ozone.
Posted inScience Updates
New Directions in Mapping Ice Sheet Fabrics and Flow
Polarimetric radar advances enable scientists to measure orientations of crystals, bubbles, and other properties that affect the flow of glaciers and ice sheets—and their contributions to sea level.
Posted inResearch Spotlights
What Makes Mars’s Magnetotail Flap?
Spacecraft reveal a key driver of up-and-down motions of thin, current-carrying plasma sheets on the nightside of Mars.
Posted inResearch & Developments
Artemis II Crew Splashes Down
After a journey to and around the Moon, the Artemis II crew splashed back to Earth off the coast of San Diego at 5:07 p.m. local time (8:07 p.m. ET) on 10 April.