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Lecture 13 Asteroids and Meteorites
cambridge lang
29
Astronomy
Undergraduate 1
10/27/2009

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Cards

Term
where is main asteroid belt
Definition
between mars + jupiter
Term
what is main asteroid belt
Definition
mainly empty space
Term
trojan asteroids location
Definition
share the orbit of jupiter
2 lagrangian points where jupiters gravity = sun
Term
near earth asteroids location
Definition
cross earths orbit
Term
asteroid orbital periods in kirkwood gaps
Definition
intergral fractions of jupiters orbital period
Term
what happens to asteroids in kirkwood gaps
Definition
tossed into near earth trajectories
Term
asteroid families
Definition
similar orbits
Term
all asteroid mass =
Definition
less than moon
Term
why asteroids didnt coalesce
Definition
jupiter gravity
Term
rotation
Definition
fast
Term
what determines composition and color
Definition
distance from sun
Term
c type
Definition
carbon/water rich
85% are this kind
Term
s type
Definition
closest to sun
silicate. no water
15% are this kind
Term
order of comet types
Definition
s, m, c
Term
m type
Definition
metallic in middle of belt
Term
how do you tell the rotation period of an asteoid
Definition
brightness variations
Term
ceres
Definition
fist asteroid discoverd, also largest
dwarf planet
Term
dwarf planet
Definition
ceres
Term
what are eros' craters named for
Definition
lovers
Term
famous asteroids
Definition
eros
ceres
mathilde
itokawa
Term
mathilds' type
Definition
rubble pile
Term
rubble pile asteoirds
Definition
mathilde
itokawa
Term
sold rock asteroideros
Definition
Term
meteorite
Definition
rocks from space that make to surface of a planet
Term
meteoroid
Definition
rock IN space
Term
meteor
Definition
light of meteroid when it enters atmosphere
Term
chondrules
Definition
small sherical recovered stones from meteorites
Term
meteorite age
Definition
4.6 bill yrs
Term
what is a meteorite
Definition
chipped bit of asteroid
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