Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 2RQ
What is the difference between asterism d a constellation? Give some examples.
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If you go out to look at the night sky tonight from
central lowa, the North Star (aka Polaris) is located
near the North Celestial Pole at an altitude of
approximately 42 degrees above the horizon. Why is
that the case?
If you go on vacation down to the Florida Keys, the North Star (aka Polaris) located near the North Celestial Pole is found at an altitude of approximately 25 degrees above the horizon. Why is it found near that altitude?
What are the names of the following three well-known constellations?
Chapter 2 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 2 - Why have astronomers added modern constellations...Ch. 2 - What is the difference between asterism d a...Ch. 2 - What characteristic do starts in a constellation...Ch. 2 - Do people from other cultures on Earth see the...Ch. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - What does the word apparent mean in apparent...Ch. 2 - In what ways is the celestial sphere a scientific...Ch. 2 - Why do astronomers use the word on to describe...Ch. 2 - Earth did not rotate, could you define the...
Ch. 2 - Where would you go on Earth if you wanted to be...Ch. 2 - Prob. 12RQCh. 2 - Explain h to make a simple astronomical...Ch. 2 - 14. Why does the number of circumpolar...Ch. 2 - How could you detect Earths precession t examining...Ch. 2 - How Do We know? How can a scientific model be...Ch. 2 - Using stars from one or more of the “official”...Ch. 2 - Prob. 2DQCh. 2 - Prob. 1PCh. 2 - If two stars differ by 8.6 magnitudes, what is...Ch. 2 - Prob. 3PCh. 2 - By what factor is sunlight brighter than...Ch. 2 - If you are at a latitude of 35° north of Earths...Ch. 2 - Prob. 1LTLCh. 2 - Prob. 2LTL
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- What is an asterism? Can you name an example?arrow_forwardWhat is a constellation as astronomers define it today? What does it mean when an astronomer says, “I saw a comet in Orion last night”?arrow_forwardWhich is the asterism and which is the constellation: Orion and Orions belt? Name another asterism/constellation combination.arrow_forward
- Look at The Sky Around You, item 1a. In the looking south illustration, is Canis Major a circumpolar constellation? Why or why not?arrow_forwardIs there any place on Earth where all the visible stars are circumpolar? If so, where? Is there any place on Earth where none of the visible stars is circumpolar? If so, where? Explain your answers.arrow_forwardIf you go out to look at the night sky tonight from central Iowa, the North Star (aka Polaris) is located near the North Celestial Pole at an altitude of approximately 42 degrees above the horizon. Why is that the case? What is the altitude of the celestial equator at its highest point as viewed from this location and how do we calculate that? Explain the myth behind one of the constellations located near North Celestial Pole and then explain the myth behind another constellation along the ecliptic plane.arrow_forward
- For an observer found at a latitude of 35 degrees North, what is the minimum declination for a star to be considered circumpolar?arrow_forwardWhat is the point on the celestial sphere representing the extension of the axis of Earths North Pole? (18.1) (a) North celestial pole (b) core (c) vernal equinox (d) celestial equatorarrow_forward
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