The dark colored bands that are seen on Jupiter (and the other jovian planets) are known as

The most abundant element in the sun is

The Earth’s magnetic field is thought to be caused by:

Edwin Hubble believed that galaxies morphed from one type into another. What is the name of the scheme he developed?

A is a small bit of asteroid, comet, or planet out and about in the solar system. When one of these pieces enters the Earth’s atmosphere, we see a flash of light and call it a . If these bits make it to the surface of the Earth, we call them .

What is the minimum mass requires for a star?

Which point on the Hertzprung-Russell diagram represents the main sequence star with the longest lifetime?

The asteroid belt exists between the following planets

The most abundant element in the sun is

What is the likely final fate of a star whose mass is 25 solar masses after it has finished its nuclear burning phases?