Ast 101 Exam 1 Questions And Answers 100% Pass

AST 101 EXAM 1 QUESTIONS AND ANSWERS 100% PASS the average distance from the earth to the sun is what unit? 1 astronomical unit the distance light travels in a year 1 light year the andromeda galaxy is how many light years away 2,000,000 ly the stars that appear to lie on a dome above us is the ____ _______ the celestial sphere the stars appear to be ____ on the celestial sphere fixed the earth is what in the celestial sphere model? the center of the universe what part of the celestial sphere can we see part above the horizon what is the zenith directly overhead an obsever can only see what part of the celestial sphere exactly 1/2 polaris is ___ in the ____ sky high in the northern sky in the celestial sphere model the earth is ___ and the stars appear to ____ around the earth fixed & rotate stars that never set circompolar stars the earth takes ______ to orbit the sun one year the average earth-sun distance is _____ 1 AU the earths axis points toward what star? polaris the earh takes ____ to orbit the sun one year the earth rotates from ____ to ____ west to east stars rise in the ___ and set in the ____ east & west the celestial sphere appears to rotate around us from ____ to _______ east to west in the northern hemisphere the _____ celestial pole is above the horizon north celestial pole the north celestial pole roates __________ counterclockwise the south celestial pole roates __________ clockwise in the northern hemisphere the sun is high in the sky at noon in what sky the southern sky orion is visible in what season winter are the stars always present in the sky? yes due to the earths oorrbital motion the sun does or does not appear to be fixed on the celestial sphere does not every night the stars rise ____ earlier the suns apparent path around the celestial sphere the ecliptic the projection of the earths equator in space the celestial equator the ____ moves around the sun earth in the northern hemisphere the sun is high in what sky at noon? southern in the summer the sun rises ________ and is ___ in the sky north of east and is high the sun appears to move ____ constellation per month one the _______ _________ is the day when the sun reaches its highest point in the sky at noon summer solstice the _______ _______ is the day when the sun reaches its lowest point in the sky at noon winter solstice during what are days and night equal length 2 equinoxes there is a ____ and _____ equinox spring and fall when does the sun rise due east and set due west the equinoxes in winter the sun rises ______ and is ___ in the southern sky at noon south of east and is low in the winter the sun sets ____ southwest on the summer solstice the sun is above the _______________ tropic of cancer the sun is directly above the equator at noon on the ________ equinoxes on the winter solstice the sun is directly above the ________________ tropic of capricorn if the earth is always tilted toward the north, is it always pointed toward the sun? no in SYR where do you look to see the sun south how many days does it take for the moon to orbit the earth? 28 days the moon rotates __________ counterclockwise how much of the moon is always illuminated half the amount of the illuminated half of the moon we see _________________________________________ depends on the moons position in its orbit first quarter moon is ____ in the sky at _____ and sets at ____ and rises at _____ high in the sky at 6pm and sets at midnight and rises at noon full moon is ___ in the sky at ____ and sets at ____ and rises at ____ high in the sky at 12 am and sets at 6 am and rises at 6pm what side of the moon is illuminated first right side which phase rises in the east and sets in the west full moon when the sun and moon align, there shadows can cause _______ eclipses when the earths shadow falls on the moon lunar eclipse the moon needs to be in what phase to have a lunar eclipse happen full what phase does the moon have to be in for a solar eclipse new moon