Are There Asteroids That Don't Reflect Radiation?

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Most asteroids don't actually reflect radiation in any type of significant way. Find out if there are asteroids that don't reflect radiation with help from an experienced education professional in this free video clip.

Part of the Video Series: About Astrophysics & Outer Space
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Video Transcript

Hi. My name is Eylene Pirez, and I'm an astrophysicist. And this is are there asteroids that don't reflect radiation. And the answer to that is yes. Actually most of them are pretty dark and bad reflectors. But this can also go either way. There are good reflectors and bad reflectors. And this has to do with the composition of the asteroid. And because asteroids are pieces of rock not necessarily from one origin we can't really say, OK, this one is a good reflector because this is what it's made of. So we get these pieces of rock in space that come from different origins with different compositions and it really does depend on the surface. Now most of the asteroids that we found here near earth are the ones between Mars and Jupiter where we have an asteroid belt. And these ones tend to have like this reddish matted sort of dark surface. So they're actually not very good reflectors. My name is Eylene Pirez and I'm an astrophysicist and this is are old asteroids good reflectors.

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