_JFK Unit 5 Review

When new evidence is discovered, what happens to the existing theory?

What happens when you leave Earth's gravity?

On the moon, a rock weighs 2.1 Newtons and a mass of 1.8 kilograms. What's the mass on Earth?

It takes the sunlight about 8 minutes to reach Earth; light must travel _______.

How is the Sun different from Earth?

From Earth, Star Y appears brightest; Star X and Z appear similar in brightness. Brightest?

The color of a star provides a measure of its

Which model of he solar system did Copernicus design (which is easier than the old one)?

Which phase does NOT happen to a small star?

The final stage of a star's life is determined upon its mass. The most massive stars become

Stars begin their life cycle in

What is the old theory about how the Sun and planets interacted?

Which color star is hotter than a yellow star?

A galaxy is BEST described as a cluster of ______ of stars.

This is the hottest color star AND the coolest color star

What type of galaxy is this?

What is used in determining the apparent brightness of a star?

From Earth, the Sun appears brighter than any other star because the Sun is the

The name of the galaxy determines the number of stars.

The largest body in our Solar System is

Gravity is responsible for

What is at the center of our Solar System and what is it composed of

When scientists gather this, it can change theories.

Which is true about the Milky Way?

How is visible light different from non-visible light?

Which is NOT considered a force?