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Discover Magazine on MSN9h
The Universe Started as a “Hot Soup of Particles and Photons" 13.8 Billion Years AgoHow old is the universe? Learn more about the age of the Universe, from it's explosive beginnings to how we on Earth can ...
Astronomy on MSN8h
Michael’s Miscellany: 25 Questions About AstronomyAnswer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...
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