Here's a video created by astronaut Don Petiit aboard the International Space Station. It's a series of still photos of the Aurora taken from the vantage point of the High Frontier. Notice how thin our envelope of atmosphere is......humbling a little.
Here's the vid
The Giant Planets Migrated Between 60-100 Million Years After the Solar
System Formed
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Untangling what happened in our Solar System tens or hundreds of millions
of years ago is challenging. Millions of objects of wildly different masses
int...
2 hours ago
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