Solar System and Stars Science Review

Most comets have two tails.

This is an example of a/an ______________ galaxy.

This is an example of a/an __________ galaxy.

__________ galaxies look like round or flattened balls.

This is a picture of an ______________.

__________ are active, young galaxies with huge black holes at their centers.

Which of the following is NOT a dwarf planet?

The __________ is a region of the solar system between Mars and Jupiter.

Our sun is part of a star system.

The region beyond Neptune's orbit is called the _____________.

__________ are loose collections of ice, dust, and small rocky particles.

Which is NOT a name of one of the main categories of galaxies?

Most stars are members of groups of two or more stars.

The _____________ stretches out more than 1000 times the distance between the sun and Neptune.

Clouds of gas and dust form a fuzzy outer layer called a ________.

Meteroids that pass through the atmosphere and are found on Earth's surface are called ______.

Loose, disorganized star clusters are known as

Scientists classify solar system objects based on their:

Older stars that are groups in round, packed formations are

The Milky Way is an example of a