ASTR 101 EXAM 1 WANG questions with answers

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ASTR 101 EXAM 1 WANG questions with answers

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Institution Astronomy 101

Course Astronomy 101

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ASTR 101 EXAM 1 WANG questions with answers

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ASTR 101 EXAM 1 WANG questions with || || || || || || ||

answers

Nebula - CORRECT ANSWERS ✔✔A large cloud of dust and gas in space
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How fast does light travel? - CORRECT ANSWERS ✔✔300,000 km/s
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The distance light can travel in one year is - CORRECT ANSWERS ✔✔10
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Trillion kilometers ||

What elements did the big bang produce? - CORRECT ANSWERS
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✔✔hydrogen and helium || ||

What is one AU? - CORRECT ANSWERS ✔✔150 million KM
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At what degree is the Earth tilted? - CORRECT ANSWERS ✔✔23.5 degrees
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Where does Earth's axis point towards? - CORRECT ANSWERS ✔✔Polaris
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Which way does the earth rotate? - CORRECT ANSWERS ✔✔counter
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clockwise

, How fast does the sun travel? - CORRECT ANSWERS ✔✔70,000 km/hour
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How long does it take the sun to orbit the Milky Way? - CORRECT
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ANSWERS ✔✔230 Million years || || ||

How do galaxies move within the universe? - CORRECT ANSWERS
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✔✔Galaxies are carried along with the expansion of the universe.
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How many constellations make up the celestial sphere? - CORRECT
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ANSWERS ✔✔88 ||

zenith - CORRECT ANSWERS ✔✔The highest point direclty overhead
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Meridian - CORRECT ANSWERS ✔✔line passing through zenith and
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connecting N and S points on horizon || || || || || ||

What is an arcminute? - CORRECT ANSWERS ✔✔1/60 of 1°
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What is an arcsecond? - CORRECT ANSWERS ✔✔An angle equal to 1/60th
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of an arcminute (1/3600th of a degree)
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Latitude - CORRECT ANSWERS ✔✔Distance north or south of the equator
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Longitude - CORRECT ANSWERS ✔✔Distance east or west of the prime
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meridian, measured in degrees || || ||

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Uploaded on: May 24, 2025
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