Space.com on MSNOpinion
Is the universe infinite, or does it have a limit?
After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of ...
We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...
The Universe is immense. Our most powerful telescopes observe galaxies whose light has taken more than 10 billion years to ...
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