science- the stars galaxy
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8 Terms
what are the layers of the atmosphere
troposphere
stratasphere
mesosphere
thermosphere
exosphere
what are the layers of the earth
innercore- greatest pressure
outercore- under extreme pressure
mantle
crust- two different types of crust: contienal, oceanie
what is the line called that the earth spins around on
an imaginery line called a axis
how do you measure the mass
mass is the amount the matter of an object has
how do you measure the weight
by newtons, it is the force acting( because of gravity)
how do you measure gravity
it is the force that pulls objects together
how are distances in space measured in
they are measured in light years
what is the distance of a light year
it is the distances that light travels in a year