E0 ellipticals are nearly circular, while E7s are very stretched out. Elliptical galaxies are made up of mostly old stars, and do not have much gas and dust. There is very little new star formation in these galaxies.
Mostly made of old stars
Weakened rock on steep slopes that suddenly gives away and falls down is an example of : A. The impact of Gravity.
Gravity will always caused forces that pulled the rock down. Eventually, the rock on steep slopes will be weakened and pulled by the Gravity
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Answer:
Core: The material at the center of a planet.
Moon: A natural satellite that orbits a planet.
Atmosphere: A layer of gases surrounding a planet.
Surface: The outermost layer of a planet
Explanation:
