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Today I Learned

The Yarkovsky Effect and YORP Effect

Yarkovsky Efffect1: Asteroids obsorbs sunlight, heated up by the light and emmits thermal radiation. The thermal radiations can produce a tiny force but accumulated through decades to change the orbit of asteroids of size less than 30 - 40 km.

YORP Effect1: Similarly the reflection of sunlight and thermal radiation can cause a torque on the small objects.

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