Yeah, fiery demon. NASA says this "immense cloud of hydrogen gas outside our Milky Way galaxy ... is plummeting toward our galaxy at nearly 700,000 miles per hour."
Though hundreds of enormous, high-velocity gas clouds whiz around the outskirts of our galaxy, this so-called "Smith Cloud" is unique because its trajectory is well known. New Hubble observations suggest it was launched from the outer regions of the galactic disk, around 70 million years ago. The cl...
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