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Astronomy 1010 Exam 1 already graded A+ 2023/2024
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Astronomy 1010 Exam 1 already graded A+ 2023/2024
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Astronomy 1010 Exam 1Are constellation stars in the same place as a structure in space, or does it just look like they
are from the sun's point of view in our galaxy? - ANSconstellation stars are not next to each
other, just appear that way from Sun's point of view
looking out into our galaxy
Are constellation stars all at the exact same distance from the sun or at different distances? -
ANSDifferent distances
Are constellation stars scattered all across our galaxy or just the neighbors of the sun in the
milky way? - ANSNearby the sun in the milky way
On a "short" human civilization timescale, do constellations change shape or stay the same
shape? - ANSRelatively stay the same position in relation to us
Zenith means... - ANS"overhead" for your location
Our constellation sphere has how many constellations? - ANS88
What is special about Polaris (the North star)? - ANSAbove the north pole, only above the
horizon in the northern hemisphere, and it always points due north
What does Polaris tell you? - ANSIt is on the horizon at the equator; higher in the sky as you
move north; overhead at North Pole
Why is the sky blue during the day? - ANSThe atmosphere scatters sunlight... it scatters blue
light better than red. Blue sunlight bounces around and comes to our eyes from all directions
Why don't we see stars during the day? - ANSstars above horizon during the day are too faint to
see compared to a blue day sky
Why can't we see seasonal stars? Because Earth spins on its axis or orbits the sun? -
ANSBecause "night" side of the earth faces different parts of the celestial sphere as it orbits the
sun
Name for the plane of Earth's orbit and of solar system...also the path of Sun on the sky...? -
ANSEcliptic
When the sun follows the path on the celestial sphere, does it cross in front of all 88
constellations or only a few constellations? - ANSThe sun crosses in front of 12 (or 13)
constellations
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