0
Rate this Study Guide:
☆☆☆☆☆Clouds of gas and dust from which stars form are called interstellar matter.
They are called sun spots, dark areas that are cooler than the rest of the surface.
corona
The earth is protected from UV rays. The ozone layer protects us.
type la
The sun in composed of 25 percent helium. The other 75 percent is hydrogen. The sun also has small amounts of other elements such as neon, oxygen, carbon, and magnesium.
infrared
the other parts are only seen because there are clouds in the milky way galaxy that prevents scientists to see all inside the milky way galaxy
A Radio Telescope (eg Jodrell Bank and Aricebo).
Aristotle
molecular clouds
11 years.
The rock is called a glacial erratic when it is left behind by a glacier, and is of a completely different material composition than the rocks on which it was deposited.
