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