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Lecture 14 Colliding Worlds
cambridge lang
8
Astronomy
Undergraduate 1
10/27/2009

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Term
what hit jupiter when, what happened
Definition
comet: 1992
dark scars on surface
Term
kreutz sungrazers
Definition
pieces of long gone comets
Term
what made water on earth maybe
Definition
volcanoes from within
comets
Term
do comets ever come in our atmosphere
Definition
you betchya
10 meter pice enters
Term
10 meter wide asteroid
Definition
nuclear unharmful atmosphere
Term
50 meter asteroid
Definition
crater
Term
one kilometer asteroid
Definition
every 1 million yrs
DEATH
Term
when did dinos die
Definition
65 mill yrs ago
10 kilometer asteroid
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