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Astronomy I
Test Description: Earth science
Instructions: Answer all questions to get your test result.
1) Albedo is the material blasted out of the Moon's surface as a result of space-object impacts
A
true
B
false
2) ________is the process that creates energy in the sun
A
perigee
B
parallax
C
fusion
D
red shift
3) What holds planets, stars, gas, and dust together in a galaxy?
A
gravity
B
friction
C
forces
D
inerita
4) The North Star,_____, is positioned almost directly over the North Pole
A
Betelegeuse
B
Polaris
C
Sirius
D
Orion
5) When a star becomes a supernova its brightness
A
doesn't change
B
vanishes
C
increases
D
decreases
6) Which group of stars is the hottest and brightest
A
blue giants
B
red super giants
C
main sequence stars
D
white dwarfs
7) Our sun is classified as which type of star?
A
red supergiants
B
main sequence
C
white dwarfs
D
blue giants
8) In which type of model are the Sun, other stars, and the Moon in orbit around the Earth?
A
heliocentral model
B
concentric model
C
polycentric model
D
geocentric model
9) Place the order of the universe in the correct order from the LARGEST to the smallest
A
solar system, planets, galaxy cluster, galaxy, universe
B
planets, solar system, galaxy cluster, galaxy, universe
C
universe, galaxy, galaxy cluster, solar system, planets
D
solar system, galaxy cluster, planets, galaxy, universe
10) The distance that light travels in one year is called a
A
a light year
B
an astronomical unit
C
a ray unit
D
a light ray
11) What is not a feature of the sun?
A
quasar
B
chromosphere
C
corona
D
solar flares
12) Kepler's _____law states that planets move around the sun in an elliptical patter
A
4th
B
1st
C
3rd
D
2nd
13) Kepler's ____law states that planets move faster when closer to the sun
A
1st
B
4th
C
3rd
D
2nd
14) Kepler's ______law states that the greater the distance from the sun, the longer the period of revolution
A
4th
B
1st
C
2nd
D
3rd
15) ________is when the moon is closet to the earth
A
perihelion
B
perigee
C
aphelion
D
apogee
16) _______is when the planet is farthest from the sun
A
perihelion
B
apogee
C
aphelion
D
perigee
17) ______is when the planet is closet to the sun
A
apogee
B
perihelion
C
perigee
D
aphelion
18) _______is the variation in precession
A
nutation
B
apogee
C
protostar
D
precession
19) December 21 is when the ________ occurs
A
spring equinox
B
fall equinox
C
perihelion
D
aphelion
20) March 21 is when the ______occurs
A
fall equinox
B
perihelion
C
spring equinox
D
aphelion
*select an answer for all questions
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