Ch. 10 part c

Question 1

made of irregularly shaped pieces of rock, metal, and dust

a. asteroid
b. binary system
c. comet
d. galaxy
e. multiple star group

Answer 1

a. asteroid

Question 2

a ___ is a large group of stars held together by gravity.

a. supergiant
b. galaxy
c. star cluster
d. constellation

Answer 2

c. star cluster

Question 3

what is the scientific study of stars called?

Answer 3

astronomy

Question 4

what is the difference between the apparent magnitude and the absolute magnitude of a star?

Answer 4

Apparent magnitude is how bright a star appears to be.

absolute magnitude is how bright a star is.

Question 5

what is the relationship of the Milky Way to the Local Group?

Answer 5

the local group is a cluster of galaxies traveling together through space. The milky way is one galaxy in the local group

Question 6

the surface of the sun

a. aurora
b. chromosphere
c. corona
d. photosphere

Answer 6

d. photosphere

Question 7

the outermost part of the sun

a. aurora
b. chromosphere
c. corona
d. photosphere

Answer 7

c. corona

Question 8

energy emitted in the form of beautiful colors of light.

a. aurora
b. chromosphere
c. corona
d. photosphere

Answer 8

a. aurora

Question 9

the sun’s atmosphere

a. aurora
b. chromosphere
c. corona
d. photosphere

Answer 9

b. chromosphere

Question 10

which planet is closest to the sun?
a. earth
b. mars
c. mercury
d. neptune

Answer 10

c. mercury