Astronomy 10 10.2.06 - Astronomy 10 Meteorites 10.2.06 As...

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Astronomy 10 Meteorites 10.2.06 As comets go around the sun, the comets melt and they turn into gases that dissipate into space The heavier particles of the comets hang a lot closer to the comets orbit because they are very heavy and they dissipate very slowly Most comets do not intersect Earth’s orbit When a comet intersects Earth’s orbit, meteors can be seen “zipping” thorough the sky o All have tracks that are the same as one another o Paths of the meteors all intersect at one point in the sky (the radiant) This is a optical illusion Meteoroids: In space o Never observe meteoroids o Can’t observe them by definition because, if they are seen in space, they would be called an asteroid Meteor: In the Earth’s air Meteorite: On the ground o There are many many kinds of meteorites o Chondrites: DPCK (cold, carbonaceous, before the water’s edge), TGBFQS (Ordinary), VEMAR (Hot and therefore layered, after the layering limit). Any meteorite that has chondrules in it (Greek for little round rock)
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Astronomy 10 10.2.06 - Astronomy 10 Meteorites 10.2.06 As...

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