The Tale of the Interstellar Visitor
Tumble Science Podcast for Kids
00:00
What Is the First Interstellar Visitor?
Astronomers have been able to paint a much clearer picture in the past few years. They know that amuamua is rocky, and it has a kind of reddish color. It's about 400 meters, or a quarter mile long, and it's about ten times longer than it is wide. But really, what was making it move? Some astronomers considered that even if it didn't have the typical coma or tail, it still could have been a comet. And most recently, astronomers suggested that it was an asteroid that got torn off a much larger body when that got too close to its own star.
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