Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Question
Chapter 2, Problem 56Q
(a)
To determine
The way in which sidereal and solar days will change if Earth’s rate of rotation increases.
(b)
To determine
The way in which the sidereal and solar days will change if Earth’s rate of rotation decreases.
(c)
To determine
The way in which sidereal and solar days will change if Earth’s rotation were retrograde or opposite to the direction in which it revolves around the Sun currently.
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Students have asked these similar questions
The Earth covers about 1° per day in its orbit about the Sun, and the solar
day is slightly longer than the sidereal day. If Earth spun in a retrograde
direction like Venus but it still had the same sidereal period (23 hr 56
min), how long would the solar day be?
The solar day would be
72 hr and
min.
What is the difference between a sidereal month and a synodic month? Which is longer?
Why?
Mars is 1.5 times as far away from the Sun as Earth. Earth’s axis is tilted at 23.5o compared to the ecliptic. The axis of Mars is tilted at 25o compared to the ecliptic. The atmosphere on Earth is 100 times as thick as the atmosphere on Mars. Which of the following statements is true?
1.)Mars is so cold that the water there is ice, while Earth does not have any ice
2.)When it is summer in Earth’s northern hemisphere, it is winter on Mars’ southern hemisphere
3.) Earth has seasons, Mars does not
4.) All of the water on Mars is frozen, while Earth has water in solid, liquid and gas form
Chapter 2 Solutions
Universe
Ch. 2 - Prob. 1CCCh. 2 - Prob. 2CCCh. 2 - Prob. 3CCCh. 2 - Prob. 4CCCh. 2 - Prob. 5CCCh. 2 - Prob. 6CCCh. 2 - Prob. 7CCCh. 2 - Prob. 8CCCh. 2 - Prob. 9CCCh. 2 - Prob. 1CLC
Ch. 2 - Prob. 2CLCCh. 2 - Prob. 1QCh. 2 - Prob. 2QCh. 2 - Prob. 3QCh. 2 - Prob. 4QCh. 2 - Prob. 5QCh. 2 - Prob. 6QCh. 2 - Prob. 7QCh. 2 - Prob. 8QCh. 2 - Prob. 9QCh. 2 - Prob. 10QCh. 2 - Prob. 11QCh. 2 - Prob. 12QCh. 2 - Prob. 13QCh. 2 - Prob. 14QCh. 2 - Prob. 15QCh. 2 - Prob. 16QCh. 2 - Prob. 17QCh. 2 - Prob. 18QCh. 2 - Prob. 19QCh. 2 - Prob. 21QCh. 2 - Prob. 22QCh. 2 - Prob. 23QCh. 2 - Prob. 24QCh. 2 - Prob. 25QCh. 2 - Prob. 26QCh. 2 - Prob. 27QCh. 2 - Prob. 28QCh. 2 - Prob. 29QCh. 2 - Prob. 30QCh. 2 - Prob. 31QCh. 2 - Prob. 32QCh. 2 - Prob. 33QCh. 2 - Prob. 34QCh. 2 - Prob. 35QCh. 2 - Prob. 36QCh. 2 - Prob. 37QCh. 2 - Prob. 38QCh. 2 - Prob. 39QCh. 2 - Prob. 40QCh. 2 - Prob. 41QCh. 2 - Prob. 42QCh. 2 - Prob. 43QCh. 2 - Prob. 44QCh. 2 - Prob. 45QCh. 2 - Prob. 46QCh. 2 - Prob. 47QCh. 2 - Prob. 48QCh. 2 - Prob. 49QCh. 2 - Prob. 50QCh. 2 - Prob. 51QCh. 2 - Prob. 52QCh. 2 - Prob. 53QCh. 2 - Prob. 54QCh. 2 - Prob. 55QCh. 2 - Prob. 56QCh. 2 - Prob. 57QCh. 2 - Prob. 58QCh. 2 - Prob. 59QCh. 2 - Prob. 60QCh. 2 - Prob. 61QCh. 2 - Prob. 62Q
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- For an entire year, you carefully plot and track the sun's position relative to the background stars (i.e., the celestial sphere). Which of the following is an accurate description of what you observe for the sun's annual drift relative to the celestial sphere? Select one: a. the sun appears to shift only north or south, with no apparent drift east or west b. each day, the sun appears to drift primarily from east to west c. each day, the sun appears to drift primarily from west to east d. the sun does not appear to drift at all relative to the background stars, as defined by our 24 hour dayarrow_forwardBased on what you've learn on the impact of the Earth-Sun distance on the seasons, what can you say about the the cause of the seasons? (Give ALL correct answers, i.e., B, AC, BCD...)A) Earth's axis is tilted an an angle of 23.5 degrees compared to a line perpendicular (straight up and down) to its orbit, which is the main cause for the seasons.B) Earth's speed varies in its orbit around the Sun, giving us summer when Earth is moving fastest and winter when Earth is moving slowest.C) The Earth-Sun distance play a major role in creating seasons on Earth.D) The tilt of Earth's axis causes the Northern Hemisphere to be closer to the Sun than the southern hemisphere in summer, and vice versa in winter. E) The tilt of Earth's axis causes different portions of the Earth to receive more or less direct sunlight at different times of year.F) Earth's Northern Hemisphere is always tilted away from the Sun at an angle of 23.5 degrees.G) Earth's Northern Hemisphere is always tilted toward the Sun…arrow_forwardwhich of the following is an accurate description of how the sun drifts annually relative to the celestial sphere? Choose one of the following: a. the sun appears to shift only north or south, with no apparent drift east or west b. each day, the sun appears to drift primarily from east to west c. each day, the sun appears to drift primarily from west to east d. the sun does not appear to drift at all relative to the background stars, as defined by our 24 hour dayarrow_forward
- Figure 1 shows the position of the Sun, Earth, and Moon for a particular phase of the Moon. The Moon has been shaded on one side to indicate the portion of the Moon that is not being illuminated by sunlight. A person has been placed on Earth to indicate an observer's position at noon. Recall that with this representation Earth will complete one counterclockwise rotation in each day. Note that this drawing is not to scale. Orbit of the Moon Sun Earth Figure 1 6) What time is it for the person shown in Figure 1? Circle one: 6 A.M (sunrise) 12 P.M. (noon) 6 P.M. (sunset) 12 A.M (midnight)arrow_forwardUse the figure below to answer the following question. In this Earth-Sun system drawing we have indicated the direction of both the daily rotation of Earth about its own axis and its annual orbit about the Sun. Imagine you are the observer shown on Earth in the northern hemisphere. Three months prior to the time shown, what constellation is highest in the sky at noon? To North Star Pisces Aquarius Capricornus Aries 1 day Sagittarius Scorpius Taurus 365 days Libra Gemini Virgo Cancer Leo A. Scorpius B. Aquarius O C. Virgo O D. Leo E. Cancerarrow_forward
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