Thursday, 29 November 2018

Astrophysicists Count All the Starlight in the Universe

By their estimate, over the history of the universe, stars have emitted 4 times 10-to-the-84th-power photons into the visible universe (that's a 4 followed by 84 zeros).

from RSS Feeds : RSS Feed - NDTV Gadgets360.com https://ift.tt/2E7X14Y

No comments:

Post a Comment