Astronomy 1010 Exam 1 (A+ Guaranteed)

Are 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? correct answers constellation 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? correct answers Different distances Are constellation stars scattered all across our galaxy or just the neighbors of the sun in the milky way? correct answers Nearby the sun in the milky way On a "short" human civilization timescale, do constellations change shape or stay the same shape? correct answers Relatively stay the same position in relation to us Zenith means... correct answers "overhead" for your location Our constellation sphere has how many constellations? correct answers 88 What is special about Polaris (the North star)? correct answers Above the north pole, only above the horizon in the northern hemisphere, and it always points due north What does Polaris tell you? correct answers It 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? correct answers The 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? correct answers stars 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? correct answers Because "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...? correct answers Ecliptic When the sun follows the path on the celestial sphere, does it cross in front of all 88 constellations or only a few constellations? correct answers The sun crosses in front of 12 (or 13) constellations Name of the 12 constellations. correct answers Zodiac constellations; they act as a calendar