10-B

Question 1

Which star cluster is a group of several hundred to a few thousand stars with no particular arrangement.

Answer 1

open star cluster

Question 2

Scientific study of the the stars

Answer 2

astronomy

Question 3

Star systems that have three or four stars

Answer 3

multiple star groups

Question 4

Refracting telescopes do what?

Answer 4

Refracting telescopes bend or refract light to make objects seem larger

Question 5

Reflecting telescopes do what?

Answer 5

Reflecting telescopes provide a clearer image than a refracting telescope. Light is reflected rather than bent. Light entered the telescope and reflects off a large concave mirror to a smaller flat mirror.

Question 6

A binary system contains two stars held together by what?

Answer 6

gravitational attraction

Question 7

consists of frozen gases, water, and dust

Answer 7

comets

Question 8

meteoroids that light up as they pass through Earth’s atmosphere

Answer 8

meteors

Question 9

irregularly shaped pieces of rock, metal, and dust; sometimes called minor planets

Answer 9

asteroids

Question 10

meteoroids that pass through Earth’s atmosphere and land on Earth

Answer 10

metrorites