Rubble Pile Asteroids May Be Extinct Comets
After detecting high levels of organic matter using remote sensors at the asteroid Ryugu, numerical models show that it’s possible that rubble pile asteroids are actually extinct comets. Plus, the Cosmic Optical Background, Enceladus’s tiger stripes, and this week in rocket history, we look back at STS-45.
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Rocket Roundup for March 4, 2020
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Learning from Rocks & a Pretty Planetary Nebula
