Astronomy exam 2023 - Study guides, Class notes & Summaries

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Astronomy Exam 2023 with Questions and Answers...

What does the universe look like from Earth? With the naked eye we can see more than 2000 stars including the Milky Way Why do stars rise and set? The Earth rotates west to east, so the stars appear to circle from east to west. Why do the constellations we see depend on latitude and time of year? They rotate? What is a constellation? A region in the sky. Remember: The locate of any point on a map of the US is in some state, and the location of any point in the sky is in ...

A line running from due north to due south through a point directly overhead is called a meridian Residents of the Southern Hemisphere cannot see the stars around the north celestial pole because Earth itself is in the way. A sky observer in the southern hemisphere would see stars moving which way? clockwise Is there any location on Earth where the entire sky is potentially visible within a 24 hour period (ignoring the fact that some stars can't be seen if it is daytime)...

About how many stars are visible to the naked eye? A few thousand From a present day observer standing at Earth's North Pole, where in the sky would Polaris be located? Directly overhead A solar eclipse can only happen during which phase of the moon? new moon Why do we have seasons? Earth's axis of rotation is tilted by 23.5 degrees which affects angle of sunlight What is the name of the famous ancient astronomical observatory built by the Maya in the Yucatan of...

Astronomy 1010 Midterm Exam Questions and Answers 2023/2023

Polaris is: a star located in a direction close to the North Celestial Pole. Which planets is it possible to observe with an aided eye in the clear night sky? Jupiter, Saturn, Venus, Mars, and Mercury There are some regions in the sky that have no bright stars and therefore are not part of a constellation. True False False The surface of the celestial sphere is divided into 88 unequal areas called constellations. True After class, one student went to talk to h...

What fictious event frightened Americans, which led to this headline? Martians landed in New Jersey What defines an astronomical unit? (AU) Earth's average distance to the sun how long does it take light to reach us from a star that is 10 light years away? 10 years consider stars with the following apparent visual magnitudes and colors. Which appears brightest as seen from the Earth? (A: m=3, yellow; B: m=4, blue; C: m=5, red) star A the fact that we always see t...

Astronomy 101 2023-2024 Exam Questions with All Correct Answers According to our present theory of solar system formation, how did Earth end up with enough water to make oceans? - Answer-The water was brought to the forming Earth by planetesimals that accreted beyond the orbit of Mars. The terrestrial planets in our solar system are: - Answer-Mercury, Venus, Earth, and Mars. The jovian planets in our solar system are: - Answer-Jupiter, Saturn, Uranus, and Neptune. The planet in our so...