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- Planetary differentiation_____.occurred very late in the formation process of the earthplayed no role in the structure of the earthexplains why earth has a solid iron inner coreexplains why earth cuttently has a molten inner core
- what is the barycenter?the center of mass of the earth-moon systemthe center of mass of the sunthe center of the eartha point halfway between the earth and the moon
- which planet is least likely to have surface water or surface water icevenusearthmercurymars
- earth’s magnetosphere_____.deflects laege meteoroids and asteroidscreates the solar windkeeps the moon in synchronous orbitdeflects the solar wind
- the primary reason earth’s surface has so few cracters compared to the oon is because____.the moon acquired a large majority of all the large space objectsall asteroids and meteoroids were gone when the earth formedof planetary differentiationof plate tectonics on earth
- recession of the moon from the earth is caused by______.the decrease in the mass of the moonthe decrease in the mass of the earththe decrease in the rotation rate of the earththe increase in the orbital speed of the moon caused by tides on earth
- the most heavily cractered planet in our solar system is ____earthmarsmercuryvenus
- The terrestrial with the hottest overall surfave temperature is ____earthmarsmercuryvenus
