earth science chapter 23 Flashcards
is it a three dimensional thing or is it mostly in a disk when rotating
disk. 3 degrees off
why are the inner planets terrestrial
because its rocky, and earthlike
why are outer planets called jovian
they are like jupiter
what are the outer planets like
gassy, liquid and a bit solid
what are terrestrial planet like
mostly rock
what is the formation of solar system
nebula. then they all moved toward each other creating gravity and then they get faster and faster and until it becae a sun. leftovers became planets.
what is one astronomical unit equal to in km
150,000,000 km
what is eccentricity
the number value of how elliptical or oval like a pathway is
eccentricity formula
what is d
what is l
E=D/L
D is the measurement within the thumbtacks
L is the measurment of the long side
how big is mercury
the size of earths moon
why does mercury look like the moons surface
2 reasons
because it has no atmosphere and asteroids bump into it.
also since its close to the sun its hot and the molecules reach escape velocity and escape
what is mercury like
cliffy because of plates and cooling.
can we see through venus atmosphere
no because their is so many clouds raining sulferic acids
name some probes
venera probes
whats the largest volcano on venus
maat mons