Chapter 4C Lesson 2 Assessment

The sun is an average-sized star even though it looks brighter than other stars.

• True

• False

Like other stars, the sun glows due to nuclear reactions in its corona.

• True

• False

The sun's corona is found inside the sun.

• True

• False

Kilometers and astronomical units are too small to be used to measure distances to stars.

• True

• False

A light-year is the distance that light travels in a year and is the unit that scientists use to measure distances to the stars.

• True

• False

How bright a star appears from Earth depends on its size, temperature, and its distance from Earth.

• True

• False

A star's color depends mostly on its size and distance from Earth.

• True

• False

A constellation is a group of stars that seem to be very close together but aren't.

• True

• False

In a galaxy, hundreds of billions of stars, as well as gas and dust, are fairly close together in space.

• True

• False