Veritasium on MSN
If a star explodes close to Earth, this is what happens
What would really happen if a star exploded close to Earth? A nearby supernova is one of the most powerful events in the ...
Amazon S3 on MSN
What happens if the moon collides with Earth?
It's been 150 days since the Moon has been on a collision course, headed right toward Earth. As the Moon gets closer, ocean ...
SpaceX will launch a secret payload for the U.S. military today (Dec. 9), and you can watch the action live. A Falcon 9 ...
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