homework astronoy
May 23rd, 2022
- Planetary differentiation_____.
- occurred very late in the formation process of the earth
- played no role in the structure of the earth
- explains why earth has a solid iron inner core
- explains why earth cuttently has a molten inner core
- what is the barycenter?
- the center of mass of the earth-moon system
- the center of mass of the sun
- the center of the earth
- a point halfway between the earth and the moon
- which planet is least likely to have surface water or surface water ice
- venus
- earth
- mercury
- mars
- earth’s magnetosphere_____.
- deflects laege meteoroids and asteroids
- creates the solar wind
- keeps the moon in synchronous orbit
- deflects 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 objects
- all asteroids and meteoroids were gone when the earth formed
- of planetary differentiation
- of plate tectonics on earth
- recession of the moon from the earth is caused by______.
- the decrease in the mass of the moon
- the decrease in the mass of the earth
- the decrease in the rotation rate of the earth
- the increase in the orbital speed of the moon caused by tides on earth
- the most heavily cractered planet in our solar system is ____
- earth
- mars
- mercury
- venus
- The terrestrial with the hottest overall surfave temperature is ____
- earth
- mars
- mercury
- venus