Tag Archives: collisions


The formation of the planetary bodies was not a peaceful one. Planetesimals, effectively “planet seeds” that would accrete material to gain mass, would frequently collide with each other at violent speeds. A collision between two planetesimals of similar sizes would spell the doom for both – all of their hard work accreting mass would be […] Continue reading

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Space junk

After 60 years of sending things into space, the number of satellites, rocket stages, and pieces of debris floating around the Earth is gigantic. ¬†As that number continues to increase, the number of collisions between these objects is expected to increase too. We don’t think much about space junk. I guess we just hear about […] Continue reading

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