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