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45 Cards in this Set
- Front
- Back
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What are the flamelike columns of gas that continually erupt from the lowest layer of the sun's atmosphere? |
Spicules |
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The convection cells that cover the sun's visible surface |
Granule |
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The explosion of a star is called? |
Supernova |
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Frozen chunks of ice and dust that orbit the sun are? |
Comets |
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The orbits of the planets are symmetrical ovals called? |
Ellipses |
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During what phase of the moon is the entire sunlit side visible? |
Full moon |
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The summer triangle is formed of what three star? |
Deneb, Vega, Allair |
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A Hertzsprung-Russel diagram is a two-dimensional graph that compares stars by their temperature and? |
color brightness |
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What is the largest moon in the solar system? |
Ganymede |
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Name Mar's two largest moons |
Phobos and Deimos |
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What unit of measurement is approximately equal to the distance between the sun and the earth? |
Astronomical units |
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What galaxy shape is the Milky Way? |
Barred spiral |
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What is the visible portion of the sun? |
Photosphere |
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What word describes a star that is always above the horizon to an observer at a particular location? |
Circumpolar |
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What is an object that orbits another object? |
Satellite |
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The asteroid belt is located between which to planets? |
Mars and Jupiter |
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The imaginary band in the sky in which the sun, moon, and planets travel |
Zodiac |
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The imaginary sphere with Earth at the enter and heavenly bodies on its inner surface |
Celestial spere |
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The period of time that the moon takes to orbit the earth |
Lunar month |
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Venus's backward rotation on its axis |
Retrograde |
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What Latin word is used to refer to the lunar seas? |
Mare |
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A rapidly rotating star that emits directional beams of radio waves |
Pulsar |
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The cloud of dust and gas that surrounds the center if a comet |
Coma |
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The ? magnitude is the observed brightness that a star would have to an observer located 10 parsecs away |
Absolute |
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What group of small, icy objects orbit the sun outside the orbit of the outermost planet? |
Comet |
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What is an object so massive and dense that not even light can escape its gravity? |
Black hole |
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The Trojan asteroids share an orbit with which planet? |
Jupiter |
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Which category of stars includes the sun? |
Main sequence |
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What is the largest galaxy in the Local Group? |
Andromeda galaxy |
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What is the apparent change in the position of an object caused by an actual change in the position of an observer? |
Parallex |
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Which scientific law states the relationship between a planet's period and average distance from the sun? |
3rd Law of Planetary Motion |
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Which planet's notable feature is Olympus Mons? |
Mars |
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Name the gas giant which seems to lie on its side |
Uranus |
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Which planet is sometimes called the "morning star" and "evening star"? |
Venus |
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Name the fastest-moving planet |
Jupiter |
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Which is the outermost planet in our solar system? |
Neptune |
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Which planet is known for its ring system? |
Saturn |
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Which is the largest planet in our solar system? |
Jupiter |
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A small group of stars that is used to form a picture or represent an object is an |
Asterism |
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The study of God's creation beyond the atmosphere is |
Astronomy |
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The phenomenon in which the moon passes between the sun and the earth is? |
Lunar eclipse |
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What is a large close of gas and dust in space? |
Nebulae |
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What is a small rock from space that is burning up as it passes through Earth's atmosphere? |
Meteor |
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The idea that the earth is at the center of the universe and that the sun, planet's, and stars all revolve around the earth is |
Geocentric views |
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What is a planet's closest approach to the sun called? |
Perihilion |
