Astronomy Flash Cards

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Astronomy flash cards
Term   Which of the following has your "address" in the correct order?A) you, Earth, solar system, Milky Way, Local Supercluster, Local GroupB) you, Earth, Local Group, Local Supercluster, solar system, Milky WayC) you, Earth, solar system, Milky Way, Local Group, Local SuperclusterD) you, Earth, solar system, Local Group, Local Supercluster, Milky WayE) you, Earth, solar system, Local Group, Milky Way, Local Supercluster |

| Definition C) you, Earth, solar system, Milky Way, Local Group, Local Supercluster|
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Term Which of the following statements about the celestial sphere is not true?A) When we look in the sky, the stars all appear to be located on the celestial sphere.B) The celestial sphere does not exist physically.C) Earth is placed at the center of the celestial sphere.D) From any location on Earth, we can see only half the celestial sphere at any one time.E) The "celestial sphere" is just another name for our universe|

| Definition E) The "celestial sphere" is just another name for our universe|
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Term   Which of the following statements about the celestial equator is true at all latitudes?A) It lies along the band of light we call the Milky Way.B) It extends from your horizon due east, through your zenith, to your horizon due west.C) It represents an extension of Earth's equator onto the celestial sphere.D) It extends from your horizon due north, through your zenith, to your horizon due south.E) It cuts the dome of your sky exactly in half |

| Definition C) It represents an extension of Earth's equator onto the celestial sphere.|
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Term What is the ecliptic?A) the constellations commonly used in astrology to predict the futureB) the Sun's daily path across the skyC) the Sun's apparent path along the celestial sphereD) when the Moon passes in front of the SunE) the Moon's apparent path along the celestial sphere|

| Definition C) the Sun's apparent path along the celestial sphere|
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Term Which scientists played a major role in overturning the ancient idea of an Earth-centered universe, and aboutwhen?A) Aristotle and Copernicus; about 400 years agoB) Copernicus, Kepler, and Galileo; about 400 years agoC) Aristotle and Plato; about 2,000 years agoD) Huygens and Newton; about 300 years agoE) Newton and Einstein; about 100 years ago|

| Definition B) Copernicus, Kepler, and Galileo; about 400 years ago|
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Term Which of the following correctly describes the meridian in your sky?A) the boundary between the portion of the celestial sphere you can see at any moment and the portion that you cannot seeB) a half-circle extending from your horizon due east, through your zenith, to your horizon due westC) a half-circle extending from your horizon due east, through the north celestial pole, to your horizon due westD) the point directly over your headE) a half-circle extending from your horizon due north, through your zenith, to your horizon due south|

| Definition E) a half-circle extending from your horizon due north, through your zenith, to your horizon due south|
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Term  How many arcseconds are in 1°?A) 360B) 60C) 3,600D) 100E) 10,00|
| Definition C) 3,600|
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Term What is a circumpolar star?A) a star that is visible from the Arctic or Antarctic circlesB) a star that is close to the south celestial poleC) a star that always remains above your horizonD) a star that makes a daily circle around the celestial sphereE) a star that is close to the north celestial pole|

| Definition C) a star that always remains above your horizon|
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Term  Which of the following is not a phase of the Moon?A) full MoonB) first-quarter MoonC) new MoonD) half MoonE) third-quarter Moo|
| Definition D) half Moon|
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Term  If the Moon is setting at 6A.M., the phase of the Moon must beA) full.B) third quarter.C) first quarter.D) waning crescent.E) new|
| Definition A) full.|
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Term  What is an astronomical...
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