Test 1 (part 1)
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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| Which of the choices below correctly lists things in order from largest to smallest? | universe, local group, milky way, solar system
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| An effective theory must: | be continuously tested.
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| Aristotle's hypothesis was that: | only a spherical Earth would always cast a circular shadow on the Moon
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| About how many stars are visible on a clear, dark night with the naked eye alone? | a few thousand
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| Into how many constellations is the celestial sphere divided? | 88
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| What are constellations? | groups of stars making an apparent pattern in the celestial sphere
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| Where on Earth would you be if Polaris was at your Zenith? | North Pole
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| Why did early civilizations observe constellations? | For practical reasons, such as navigation and helping to determine seasons
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| While watching a star, you see it moves 15 degrees across the sky. How long have you been watching it? | 1 hour
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| How long is the precession cycle? | 26,000 years
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| The place the Sun stops its northward motion along the ecliptic is the: | summer solstice
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| The places where the Sun crosses the equator are called the: | equinoxes
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| Seasons on Earth are primarily caused by: | the tilt of the Earth's rotational axis
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| You note that a particular star is directly overhead. It will be directly overhead again in: | 23 hours 56 minutes
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| That Polaris will not always be the pole star is due to: | precession shifting the celestial pole
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| What celestial line is a product of the Earth's orbit around the Sun? | Ecliptic
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| The constellations of the zodiac fall along: | the ecliptic
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| When the Sun rises, it is located in the constellation Gemini. When the Sun sets later that same day, it will be: | In the constellation Gemini
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| Which statement about the length of a day is false? | The sidereal day includes both the Earth's rotation and revolution around the Sun.
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| The angular size of an object depends on which two quantities? | the object's actual size and its distance from us
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| If the angular size of a spherical object is known, along with its distance from Earth, What third quantity can be determined? | the object's diameter
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| A solar eclipse can only happen during a: | new moon
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| If the Moon rose tonight at 6pm, then tomorrow it will rise about: | 7pm
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| If you are in the Moon's umbral shadow, the you will witness: | a total solar eclipse
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| Which statement about the first quarter moon if False? | From the Earth, it appears 25% sunlit
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| If new moon fell on March 2nd, what is the Moon's phase on March 14th? | waxing gibbous
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| Why is there a two day difference in the sidereal and synodic months? | The Earth is also revolving around the Sun, so the Moon must "catch up"
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| Driving eastward just before sunrise, if you observe the Moon in the eastern sky, its phase must be: | waning Crescent
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| When the Moon is directly opposite the Sun in ht sky, its phase is: | full
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| The last quarter phase of the Moon: | crosses the meridian at sunrise
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| What conditions are necessary for a partial solar eclipse? | new moon on ecliptic, with us in the penumbral shadow
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| Some type of solar eclipse will happen about: | about every six months at new moon
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| The star Wolf 1061 has a parallax of 2.34 arcseconds, while the star Ross 652 has a parallax of 1.70 arcseconds. What can you correctly conclude? | Wolf 1061 is closer to Earth than Ross 652
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| Which of the following describes parallax? | It is inversely proportional to the distance to the star
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| A star with a large parallax: | is at a short distance from Earth
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Created by:
graync