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which components of the solar system have remained unchanged and provide information
asteroids, comets, meteoric material
how did the moon originate
Ejection of debris from a collision of a planet sized object with the earth and subsequent coalescence into the Moon.
the great red spot on jupiter is
a large long lived storm that is maintained by the planets differential rotation
what do Uranus and Neptune look like
blue-green in color, uranus is almost featureless, neptune has dark clones and white clouds
what is the order of the planets from the sun
mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, pluto
the space between the stars is not empty but filled with low density stars and clouds of dust and gas
where slightly cooler stars illuminate gas clouds containing dust; provide evidence that the dust in the clouds is made up of very small particles
produced where dense clouds of gas and dust are silhouetted against background regions filled with stars or bright nebulae
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