How NASA Finds the Mass of the Dirt Grabbed From an Asteroid

Just how much material did OSIRIS-REx collect from Bennu? The method relies on something called the moment of inertia, and you can replicate it with a fan and a penny.

How NASA Finds the Mass of the Dirt Grabbed From an Asteroid
Just how much material did OSIRIS-REx collect from Bennu? The method relies on something called the moment of inertia, and you can replicate it with a fan and a penny.
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