1) ______A protostar becomes a star when it begins to

a) develop a red shiftb) generate energy

c) shrink and spind) explode as a nova

2) ______A main-sequence star generates energy by fusing

a) nitrogen into ironb) helium into carbon

c) hydrogen into heliumd) nitrogen into carbon

3) ______A dying star can shed some of its gases as

a) planetary nebulab) white dwarf

c) globular clusterd) supernova

4) ______Black holes are difficult to locate because they

a) move very quicklyb) do not give off light

c) have very low gravityd) are away from any stars

5) ______A pattern of stars is called a

a) galaxyb) nebula

c) pulsard) constellation

6) ______Stars appear in fixed locations in the sky because they

a) are so far from the earth

b) do not move

c) are all moving towards earth

d) are all in the same galaxy

7) ______The basic types of galaxies are

a) spiral, elliptical and irregular

b) barred, elliptical and open

c) spiral, quasar and pulsar

d) open, binary and globular

8) ______According to Einstein’s theory of relativity, in the formula E=mc2, the cstands for

a) coronab) core

c) the speed of lightd) the length of time

9) ______A nuclear reaction in which to atomic nuclei combine is called

a) fissionb) fusion

c) magnetismd) granulation

10) ______The portion of the sun normally visible from the earth is the

a) coreb) photosphere

c) coronad) solar nebula

12) ______Sudden outward eruptions of electrically charged atomic particles from the sun are called

a) planetesimalsb) coronas

c) sunspotsd) solar flares

13) ______Northern lights and southern lights are other names for

a) prominencesb) auroras

c) granulationsd) protoplanets

14) ______What letter corresponds to the black hole.

15) ______What letter corresponds to the Supergiant star.

16) ______What letter corresponds to the Supernova.

17) ______What letter corresponds to the dust and gas cloud.

18) ______Why can only very large stars from black holes?

a) only they have enough Hydrogen

b) only they have enough gravity

c) only they have enough pressure

d) only they have sufficient red shift

19) ______Which galaxy is farthest away;

1) a galaxy 10 billion light years away

OR

2) a galaxy 8 billion light years away

a) Galaxy one

b) Galaxy two

c) one can not tell with this information

d) it depends upon the speed of the light coming from the

star

20) ______What type of galaxy is the Milky Way Galaxy?

a) spiral galaxyb) elliptical galaxy

c) irregular galaxyd) closed galaxy

21) ______What is a star system when two stars revolve around each other?

a) open clusterb) globular cluster

c) quasar clusterd) binary stars

22) ______Why do patterns of stars appear to shift westward slightly from night to night?

a) The rotation of the earth

b) The revolution of the earth

c) The movement of the stars

d) The rotation of the galaxy

23) ______About how many stars are in a galaxy?

a) 1,000 starsb) 1,000,000 stars

c) 100,000,000 starsd) 100,000,000,000 stars

24) ______About how hot is the core of the Sun?

a) 10,000 degreesb) 100,000 degrees

c) 1,500,000 degreesd) 15,000,000 degrees