New! Sign up for our free email newsletter.
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.
Related Stories
 


Space & Time News

December 22, 2024

One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers looking to solve the riddle of how the Universe is expanding. For the past 100 years, physicists have generally assumed that the cosmos is ...
A new study explores how variations in Mars' crustal thickness during its ancient history may have influenced the planet's magmatic evolution and hydrological systems. The research suggests that the ...
The galaxy M87, located in the Virgo constellation, provided the first-ever photo of a black hole in 2019, when the Event Horizon Telescope captured an image of the supermassive black hole at the ...
Stars similar to the Sun produce a gigantic outburst of radiation on average about once every hundred years per star. Such superflares release more energy than a trillion hydrogen bombs and make all previously recorded solar flares pale in ...

Latest Headlines

updated 12:56 pm ET