phys.org

Boeing and NASA have agreed to keep astronauts off the company’s next Starliner flight and instead perform a trial run with cargo to prove its safety....

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the satellites we use for navigation, communication and Earth observation every day....

NASA’s next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the Nancy Grace Roman Space Telescope in the largest clean room at the agency’s Goddard Space Flight Center in Greenbelt, Maryland....

The algorithm started from regions in the early universe, with a mass distribution based on observations of the cosmic microwave background. With a powerful computer, the model then evolved to reproduce the present-day characteristics of the Local Group, with the mass, position and velocity of the Milky Way and the Andromeda...

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn’s moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky core and could be the best places in our solar system to look for extraterrestrial life. A new study published Nov. 24 in Nature...

cross-posted from: rss.ponder.cat/post/16484

cross-posted from: lemmy.world/post/11577190...