Space Junk in a Bookstore
Pale Blue Pod
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How to Measure the Age of the Earth and the Sun and the Solar System
We are interested in studying these asteroids and comments because of the defense and deflection angle, but we can also study them to learn about science. We can study meteorites, the stuff that actually falls to the surface of earth to learn about the state of our solar system in its early stages. It's kind of like a time capsule that tells us what the solar system was like when the sun was still very young. The third reason that some people are interested in commenting and asteroids is for resource mining. A couple spacecraft have brought samples of asteroids back to us, Japan's Hayabusa mission and NASA's OSIRIS-REx which is scheduled to return a sample next fall.
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