Birdwatch Note Rating
2024-02-29 06:15:24 UTC - HELPFUL
Rated by Participant: 5B70E64624A96544D6FFDAE9AE552A37F9971E2C40AEF4ADA0084D5EB14471DC
Participant Details
Original Note:
The hypervelocity of space objects intersecting Earth's path: for example, meteors enter our atmosphere at velocities of 6-26 mi/s or 11-42 km/s. The main reason why impact craters are symmetrically round is because it's the explosion of the impactor, not its collision. http://curious.astro.cornell.edu/about-us/38-our-solar-system/the-earth/impacts/47-why-are-craters-round-beginner. https://www.scientificamerican.com/article/why-are-impact-craters-al/
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