1.
What year was the celestial object Pluto discovered?
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2.
Who was the first person in space?
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3.
Which galaxy is believed that it might collide with the Milky Way one day?
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4.
Which gas comprises most of Venus' atmosphere?
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5.
Where is the tallest mountain in our solar system?
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6.
Which star is known as the Dog Star?
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7.
How many planets are there in the Solar System (including Pluto)?
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8.
How many earth days does it take for Mercury to circle the Sun?
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9.
What is a singularity?
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Answer:
A Point Where Time And Space Are Infinite
10.
What star, next to the Sun, is nearest to Earth?
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11.
The Astronomical Unit (AU) is a unit of measurement based on the average distance between what two bodies?
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Answer:
The Earth And The Sun
12.
What comet broke into fragments before crashing into Jupiter in the 1990's?
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Answer:
Comet Shoemaker-Levy 9
13.
Which star cluster is known as the Seven Sisters?
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14.
How was the sun's corona discovered?
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Answer:
By A Total Eclipse Of The Sun
15.
What color of star has the hottest surface temperature?
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16.
What does the word "constellation" mean?
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17.
Which season does the part of Earth tilted towards the sun experience?
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18.
What is the constellation in the shape of a winged horse called?
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19.
"Houston we have a problem" was from which Apollo mission?
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20.
Which planet has the fastest orbit?
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21.
Which planet has the tallest mountain?
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22.
Which planet has visible rings around it?
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23.
Which former planet is the tenth-largest body directly orbiting the sun?
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24.
What is a huge exploding star radiating as much energy as the sun would over about 10 billion years?
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25.
What is the study of stars, planets and galaxies called?
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26.
Which star is the closest one to Earth?
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27.
What is the name for a body in orbit around the Sun?
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28.
What is a body in orbit around a planet called?
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29.
The path traveled by a body in space is known as what?
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30.
What is the opposite to ordinary matter called?
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31.
Illumination of the night sky is also known as what?
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32.
Which scientific term is defined as outside of our galaxy?
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33.
Which scientific term is best defined as a group of galaxies?
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34.
Which scientific term is best defined as "the area influenced by an object's gravity"?
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Answer:
Gravitational Field
35.
What would you call something that is between celestial objects?
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36.
Which planet in our solar system is fifth from the Sun?
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37.
What is the cargo of a spacecraft called?
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38.
What is a sudden violent explosion on the sun called?
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39.
The science term, "moon", is best defined as?
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Answer:
General Name Also Given To Natural Satellites
40.
Which Apollo Mission was launched on November 14, 1969?
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41.
What is Mercury's period of revolution around the sun?
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42.
What is Pluto's period of revolution around the sun?
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Answer:
247.7 Earth Years
43.
What is the second planet in distance from the sun?
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44.
What is seventh planet in order of distance from the sun?
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45.
What astrological sign starts on January 21st?
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46.
Which planet could all of the other planets fit into?
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47.
Which planet is named for the Roman goddess of love?
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48.
What is the largest planet in the solar system?
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49.
What are the big holes and dents found on the Moon called?
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50.
What is Earth's nearest neighbor in space?
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51.
How many moons does Earth have?
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52.
What are the first four planets in the solar system called?
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53.
What causes the moon to shine?
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Answer:
Reflected Sunlight
54.
What are the "Big Dipper" and "Orion" examples of in the night sky?
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55.
How many planets are there in the solar system?
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56.
What is a blue moon?
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Answer:
Second Full Moon In 1 Month
57.
What space object did some ancient cultures rely on to tell the passage of time?
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58.
What is caused when the Moon moves into the Earth's shadow?
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59.
The word "lunar" means something related to what?
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60.
What are the huge storms that the sun produces called?
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61.
Which planet has a great red spot that is probably a large storm?
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62.
What is Jupiter mostly made of?
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63.
Where is the asteroid belt found?
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Answer:
Between Mars And Jupiter
64.
What does Earth's tilted axis mainly affect?
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Answer:
Seasons And Climate
65.
What planet in our solar system has the most liquid water on its surface?
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66.
What agency maintains the U.S. space program?
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67.
What does the first "A" in NASA stand for?
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68.
What instrument is used to look far-away objects?
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69.
What was the name of the first artificial satellite launched into space?
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70.
What is a spacecraft that orbits planets, moons or other large space objects called?
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71.
What spacecraft takes astronauts into space, orbits the Earth and can be flown more than once?
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72.
What is the name of the spacecraft that took the first men to the moon?
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73.
Where on the moon did people first land a spacecraft?
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Answer:
The Sea Of Tranquility
74.
Who was the first U.S. woman astronaut?
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75.
What does an astronaut experience in space that causes muscle weakness if exposed too long?
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76.
What is another name for a "shadow clock"?
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77.
What are the artificial visual pictures that people often make from star clusters called?
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78.
What navigational instruments measure the angle of a star to the horizon?
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79.
What is the place where projectors are used to show the night sky?
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80.
What is a huge group of stars, gas and dust in space called?
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81.
What is another name for space?
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82.
What is the distance that light travels in a year called?
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83.
Which position from the sun is the Earth in our solar system?
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84.
What is a meteoroid called if it lands on the Earth's surface?
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85.
What is the theory of the beginning of the universe called?
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Answer:
The Big Bang Theory
86.
What is the process of growth by the slow increase of particles called?
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87.
Who first proposed the heliocentric model of the solar system?
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88.
What was the first man-made object to land on Mercury?
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89.
What percentage of the mass of the solar system does the sun contain?
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90.
Which satellite in our solar system has the largest diameter?
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91.
Which planet has the most eccentric orbit?
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92.
In what year did the British scientist William Herschel discover Uranus?
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93.
Between which two planets does the asteroid belt lie?
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94.
Scientists have theorized that, when it was 700,000 years old, the universe had expanded and cooled to what temperature?
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95.
Which rocket carried Sputnik into space?
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96.
What was the name of the capsule that took Alan Shepard into space?
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97.
Which planetary moon is most likely to exhibit life?
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98.
How far away is Proxima Centari?
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99.
What was the element mercury named after?
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Answer:
The Roman Messenger God
100.
Which planet were the Viking spacecrafts I and II sent to study?
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