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Reference Terms
from Wikipedia, the free encyclopedia

Near-Earth asteroid

Near-Earth asteroids (NEAs) are asteroids whose orbits are close to Earth's orbit.

Note:   The above text is excerpted from the Wikipedia article "Near-Earth asteroid", which has been released under the GNU Free Documentation License.
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Space & Time News

April 16, 2024

An international research team has for the first time directly detected stellar winds from three Sun-like stars by recording the X-ray emission from their astrospheres, and placed constraints on the mass loss rate of the stars via their stellar ...
Linking analyses of the moon's gravity field with models of its earliest evolution, scientists tell a story of the moon turning itself inside out after it solidified from a primordial magma ocean. The process left behind a vestige of dense, ...
Astronomers have found that a previously quiet black hole, which sits at the center of a galaxy about 800 million light years away, has suddenly erupted, giving off plumes of gas every 8.5 days ...
A new image from the Event Horizon Telescope (EHT) collaboration has uncovered strong and organized magnetic fields spiraling from the edge of the supermassive black hole Sagittarius A* (Sgr A*). ...

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