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A spacecraft attitude kinematics model, attitude measurement model, and filter algorithm are three important parts in spacecraft attitude determination, and a high-precision filtering algorithm is the key to attitude determination. ...
It's been 50 years since humans last visited the moon, and even robotic missions have been few and far between. But the Earth's only natural satellite is about to get crowded.
NASA's twin Voyager probes have become, in some ways, time capsules of their era: They each carry an eight-track tape player for recording data, they have about 3 million times less memory than modern cellphones, and they ...
South Korea joined the stampede to the moon Thursday with the launch of a lunar orbiter that will scout out future landing spots.
ESA's EnVision mission to Venus will perform optical, spectral and radar mapping of Earth's sister planet. But before getting down to work the van-sized spacecraft needs to "aerobrake"—lowering its orbit with thousands of ...
A Chinese cargo spacecraft that serviced the country's permanent orbiting space station has largely burned up on reentering the atmosphere, amid separate concerns over China's decision to allow a massive booster rocket to ...
When NASA's OSIRIS-REx spacecraft collected samples from asteroid Bennu's surface in 2020, forces measured during the interaction provided scientists with a direct test of the poorly understood near-subsurface physical properties ...
Asteroid Bennu's boulder-covered surface gives it protection against small meteoroid impacts, according to observations of craters by NASA's OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith ...
Astronauts live and work in orbit along with teeming populations of microorganisms, which could present a serious threat to health—and even the structural integrity of spacecraft. To help combat such invisible stowaways, ...
American aerospace giant Boeing is making a third attempt to reach the International Space Station Thursday in a critical uncrewed test flight for its Starliner capsule, which has been beset by numerous failures and false ...
