EXPLORATIONS:INTRO.TO ASTRONOMY-ACCESS
9th Edition
ISBN: 9781260432251
Author: ARNY
Publisher: MCG
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Textbook Question
Chapter 1, Problem 4QFR
(1.2) What causes the seasons?
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Chapter 1 Solutions
EXPLORATIONS:INTRO.TO ASTRONOMY-ACCESS
Ch. 1 - (1.1) What is the celestial sphere? What are the...Ch. 1 - (1.1) What is the difference between rotation and...Ch. 1 - (1.1/1.2) What is a constellation, and what is...Ch. 1 - (1.2) What causes the seasons?Ch. 1 - What causes the Moons phases?Ch. 1 - (1.3) How long does it take the Moon to go through...Ch. 1 - (1.2) Why does the position of sunrise along the...Ch. 1 - Why arent there eclipses each month?Ch. 1 - (1.1) If you were standing on Earths equator,...Ch. 1 - Prob. 2TQ
Ch. 1 - (1.1) Can you think of an astronomical reason why...Ch. 1 - Draw sketches to show the angles setting stars...Ch. 1 - Prob. 5TQCh. 1 - Prob. 6TQCh. 1 - (1.2) Why does the position of sunrise along the...Ch. 1 - (1.2) Why do we have time zones? Sketch and label...Ch. 1 - (1.3) Provide two or three pieces of evidence you...Ch. 1 - (1.3) If the Moon orbited Earth in the opposite...Ch. 1 - (1.1) If Earth turns one full rotation in...Ch. 1 - (1.2) From a latitude of 55, what is the highest...Ch. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - (1.1) If you are standing at Earths North Pole,...Ch. 1 - Prob. 2TYCh. 1 - Prob. 3TYCh. 1 - Prob. 4TYCh. 1 - (1.2) In which of the following locations can the...Ch. 1 - Prob. 6TYCh. 1 - (1.3) You observe the Moon rising at 6 p.m.,...Ch. 1 - (1.3) You observe the Moon rising at 3 p.m., a few...Ch. 1 - Prob. 9TYCh. 1 - (1.4) Figure 1.22 (right) shows an eclipse of the...Ch. 1 - (1.4) If the Moon were to expand to twice its...
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- Show that the Gregorian calendar will be in error by 1 day in about 3300 years.arrow_forwardThe rising of the Moon in the east and its setting in the west are due to which of the following? (17.2) (a) the orbital motion of the Moon (b) the rotational motion of the Moon (c) the Earths rotation (d) none of the precedingarrow_forwardOn the day of the vernal equinox, the day length for all places on Earth is actually slightly longer than 12 hours. Explain why.arrow_forward
- Which of the following is not a contributing factor in causing eclipses? (17.2) (a) the rotation of the Earth about its axis (b) the inclination of the Moons orbit (c) the varying distance between the Earth and the Moon (d) the varying distance between the Earth and the Sunarrow_forwardWhat is the right ascension and declination of the vernal equinox?arrow_forwardHow many days are there in 12 lunar months (synodic months)?arrow_forward
- What is the right ascension and declination of the autumnal equinox?arrow_forwardIf the altitude of the Sun is measured to be 25, then what is the zenith angle? (15.4) (a) 45 (b) 55 (c) 65 (d) none of thesearrow_forwardIn a part of Earth’s orbit where Earth is moving faster than usual around the Sun, would the length of the sidereal day change? If so, how? Explain.arrow_forward
- Why is it difficult to construct a practical calendar based on the Moon’s cycle of phases?arrow_forwardConsider a calendar based entirely on the day and the month (the Moon’s period from full phase to full phase). How many days are there in a month? Can you figure out a scheme analogous to leap year to make this calendar work?arrow_forwardIf the Earth’s axis were not tilted, what effect would this have on the seasons?arrow_forward
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