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2025 > Astronomy > Flashcards

Astronomy Flashcards

1
Q

Q: What is a scientist who studies the stars and other celestial bodies called?

A

A: Astronomer

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2
Q

Q: Who was the first person in space?

A

A: Yuri Gagaran

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3
Q

Q: Who was the first American in space?

A

A: Alan Shepard

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4
Q

Q: Who was the United States in a space race with?

A

A: Soviet Union

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5
Q

Q: Who was the first man on the moon?

A

A: Neil Armstrong

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6
Q

Q: Who was the 2nd man on the moon?

A

A: Buzz Aldren

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7
Q

Q: Who was the President who promised we would put a man on the moon?

A

A: Kennedy

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8
Q

Q: What was the name of the module that landed on the moon?

A

A: The Eagle

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9
Q

Q: What is the closest planet to the sun?

A

A: Mercury

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10
Q

Q: Why is Mercury so cold on the side that is not facing the sun?

A

A: It has no atmosphere.

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11
Q

Q: What is the hottest planet?

A

A: Venus

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12
Q

Q: Why is Venus the hottest, even though it is not the closest to the sun?

A

A: It traps heat in its dense atmosphere?

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13
Q

Q: What do we call the half of the Earth’s sphere north of the equator?

A

A: Northern Hemisphere

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14
Q

Q: What do we call the half of the Earth’s sphere south of the equator?

A

A: Southern Hemisphere

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15
Q

Q: How far is Earth from the sun?

A

A: 93 million miles

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16
Q

Q: What is the envelope of gasses that surrounds a planet called?

A

A: Atmosphere

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17
Q

Q: What covers about 70% of the earth?

A

A: Water from oceans

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18
Q

Q: What is the curved path a planet takes around the sun called?

A

A: orbit

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19
Q

Q: What causes seasons?

A

A: The axial tilt of the earth

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20
Q

Q: What does the word planet mean in Greek?

A

A: Wanderer

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21
Q

Q: Any objects, including planets, moons, stars, comets, or meteors, which can be found in space are called what?

A

A: Celestial Bodies

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22
Q

Q: What are frozen balls of dust and ice whose orbits take them far out in the solar system are called what?

A

A: Comets

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23
Q

Q: Natural or human-made objects that orbit around a celestial object are called what?

A

A: Satellites

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24
Q

Q: What is Earth’s natural satellite?

A

A: The moon

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25
Q: Why does the sun appear larger than other stars?
A: It is the closest star to us.
26
Q: What is a synonym for terrain?
A: Land
27
Q: What Greek Goddess is Venus?
A: Aphrodite
28
Q: What Greek God is Mars?
A: Ares
29
Q: What Greek God is Jupiter?
A: Zeus
30
Q: What Greek God is Neptune?
A: Poseidon
31
Q: What Greek God is Pluto?
A: Hades
32
Q: What is Saturn the god of?
A: The harvest
33
Q: Who is Uranus in Greek mythology?
A: The sky/ The dad of the Titans and husband of Gaia
34
Q: Why do planets appear to be shining in the night sky?
A: They are reflecting the sun's light.
35
Q: How can you tell the difference between planets and stars in the night sky?
A: Planets appear to be twinkling.
36
Q: Name the rocky planets.
A: Mercury, Venus, Earth, and Mars
37
Q: Name the gas giants.
A: Jupiter, Saturn, Uranus, and Neptune
38
Q: What is a meteor if it is in outer space?
A: Meteoroid
39
Q: What does a meteoroid become if it enters our atmosphere?
Q: Meteorite
40
Q: What is a nickname for a meteor?
A: Shooting Star
41
Q: What does a meteor become if it hits Earth's surface?
A: Meteorite
42
Q: How often is Halley's comet visible from Earth?
A: Every 76 years.
43
Q: What US organization directs space travel and research?
A: NASA
44
Q: What is Mars' nickname?
A: Red Planet
45
Q: Why does Mars appear red?
A: Rust
46
Q: Which planet has the solar system's tallest volcano?
A: Mars
47
Q: What is the name of the tallest volcano in our solar system?
A: Olympus Mons
48
Q: What are Mars's two moons?
A: Phobos and Deimos
49
Q: Why are Mars' two moons named Phobos and Deimos?
A: Mars, in Greek, is Ares. Ares' sons are named Phobos and Deimos.
50
Q: What is between Mars and Jupiter?
A: Asteroid Belt
51
Q: What is the largest planet in our solar system?
A: Jupiter
52
Q: Why couldn't you land a spaceship on Jupiter, Saturn, Uranus, or Neptune?
A: They are made of gas
53
Q: Who discovered four of Jupiter's moons in 1610?
A: Galileo Galilei
54
Q: What are Saturn's rings made of?
A: Rocks and ice
55
Q: Which planet rotates or spins on its side?
A: Uranus
56
Q: What do we call objects in our solar system that are further than Neptune?
A: Trans-Neptunian
57
Q: What is a large collection of stars, gas, and dust grouped together called?
A: A galaxy
58
Q: What galaxy do we live in?
A: Milky Way
59
Q: What kind of galaxy is the Milky Way?
A: Spiral Galaxy
60
Q: What gas is most of the sun made up of?
A: Hydrogen
61
Q: What gas is made when all of the hydrogen atoms of the sun keep bumping into each other?
A: Helium
62
Q: What is the bright center of stars in the middle of a galaxy called?
A: Hub
63
Q: What are groups of stars that look like people, objects, or animals?
A: Constellations
64
Q: Which constellation is of a hunter?
A: Orion
65
Q: What are Orions' dogs' names?
A: Canis Major and Canis Minor.
66
Q: What is the constellation of the bear that Zeus put in the sky?
A: Ursa Major
67
Q: What is another name for the North Star?
A: Polaris
68
Q: What is another name for the Little Dipper?
A: Ursa minor?
69
Q: What is the brightest star in our sky?
A: Sirius
70
Q: What constellation is Sirius a part of?
A: Canis Major
71
Q: What word means having the earth as the center?
Geocentric
72
Q: What word means having the sun as the center?
A: Heliocentric
73
Q: What astronomer famously set out to prove a heliocentric theory of the world?
A: Nicolaus Copernicus
74
Q: What theory of astronomy did Aristotle take?
A: Geocentric Theory
75
Q: What theory of astronomy did most of the Greeks and Romans take?
A: Geocentric Theory
76
Q: What famous astronomer was inspired by Nicolaus Copernicus?
A: Galileo
77
Q: Why were Neil Armstrong and Buzz Aldrin able to jump high on the moon?
A: The force of gravity is less on the moon.
78
Q: Why is the force of gravity less on the moon?
A: The moon is smaller, and has less mass, than the Earth.

2025 (29 decks)

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