The cosmic microwave background (CMB) is thought to be leftover radiation from the Big Bang, or the time when the universe began.
from Space.com ift.tt/2bwLfS8
The cosmic microwave background (CMB) is thought to be leftover radiation from the Big Bang, or the time when the universe began.
from Space.com ift.tt/2bwLfS8
Create a website and earn with Altervista - Disclaimer - Report Abuse - Privacy Policy - Customize advertising tracking