Various astronomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the ecliptic? | The path the sun follows around the celestial sphere.
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| What is the most recognizable northern constellation? | Ursa Major
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| What constellation is Polaris in? | Ursa Minor
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| What constellation is called the little bear and what asterism does it contain? | Ursa Minor contains the little dipper
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| What constellation is the great bear? | Ursa Major
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| When is Leo best seen? | Spring and summer
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| What is Leo's brightest star? | Regulus (in the sickle)
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| What stars form the summer triangle? | Deneb vega and altair
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| What is cygnus' brightest star? | Deneb
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| Which astronomer developed apparent magnitude? | Hipparchus
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| What philosopher popularized a geocentric view of the universe. | Aristotle
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| In 280 B.C., which philosopher proposed that the earth orbits the sun? | Aristarchus
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| Which philosopher wrote almagest? | Ptolemy
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| Who proposed a heliocentric view of the universe? | Copernicus
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| Which astronomer(s) agreed with Copernicus? | Galileo and Kepler
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| Kepler was an assistant to which astronomer? | Brahe
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| What is an Ellipses? | A symmetrical oval
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| Who formulated the laws of planetary motion? | Kepler
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| What does the first law of planetary motion say? | Planets orbit the sun in an ellipse with the sun as a foci and the other as an empty point in space.
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| What does the second law of planetary motion say? | A planet closer to the sun moves faster and a planet farther moves slower.
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| What does the third law of planetary motion state? | The farther the planets distance from the sun, the longer its period.
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| What is gravity and who discovered it? | The force of attraction between two objects.(Newton)
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| What does the law of universal gravitation state? | The strength of the gravitational force between two objects depends on their mass and their distance from each other.
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| What does "planet" mean? | Wanderer
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| What are the planets from closest to the sun from farthest? | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
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| What is the terminator? | The line that separates the dark portion of the moon from the light portion.
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| What is the first phase of a lunar month? | The lunar month starts with a new moon when the sunlit side is completely hidden from view.
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| What are the next three moon phases? | Waxing (growing) Crescent, first quarter, And waxing gibbous.
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| What are the last four moon phases? | Full moon, waning (shrinking) gibbous, third quarter, and waning crescent.
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| What constellation contains five bright star and resembles an m or w? | Cassiopeia
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| What two constellations contain the stars forming The Great Square? | Andromeda and Pegasus
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| What constellation is most familiar in the southern hemisphere? | crux
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