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Reference Terms
from Wikipedia, the free encyclopedia

Cosmic microwave background radiation

In cosmology, the cosmic microwave background radiation is a form of electromagnetic radiation discovered in 1965 that fills the entire universe.

Note:   The above text is excerpted from the Wikipedia article "Cosmic microwave background radiation", which has been released under the GNU Free Documentation License.
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May 15, 2024

Astronomers have just discovered a new Earth-sized exoplanet around SPECULOOS-3, an 'ultracool dwarf' star as small as Jupiter, twice as cold as our Sun, and located 55 light-years from Earth. After ...
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Researchers may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar ...
Billions of years ago, Venus may have harbored as much water as Earth. Today, almost all of it has disappeared. A new study may help to explain ...

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