Astrophysicists predict origins of unexpected space objects in solar system and Alpha Centauri
Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...
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Here's how far humans have sent spacecraft into space
In those 60 years, we've gone much further, reaching new planets and even the edge of the solar system. Watch as the human race explores the galaxy around us. Follow Tech Insider: On Facebook More ...