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The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.
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Where Discoveries Begin. Social media policy: http://bit.ly/smpnsf
A publication dedicated to all things space. We’ll bring you the most fascinating news, videos and discussions on space travel, Mars, black holes and more!
Jose Machava
Sheila Langa
Medium Staff
Ethan Siegel
Oxford Academic
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