Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 4, Problem 2E
What is the latitude of the North Pole? The South Pole? Why does longitude have no meaning at the North and South Poles?
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Chapter 4 Solutions
Astronomy
Ch. 4 - Discuss how latitude and longitude on Earth are...Ch. 4 - What is the latitude of the North Pole? The South...Ch. 4 - Make a list of each main phase of the Moon,...Ch. 4 - What are advantages and disadvantages of apparent...Ch. 4 - What are the two ways that the tilt of Earth’s...Ch. 4 - Why is it difficult to construct a practical...Ch. 4 - Explain why there are two high tides and two low...Ch. 4 - What is the phase of the Moon during a total solar...Ch. 4 - On a globe or world map, find the nearest marked...Ch. 4 - Explain three lines of evidence that indicate that...
Ch. 4 - What is the origin of the terms “a.m.” and “p.m.”...Ch. 4 - Explain the origin of the leap year. Why is it...Ch. 4 - Explain why the year 1800 was not a leap year,...Ch. 4 - What fraction of the Moon’s visible face is...Ch. 4 - Why don’t lunar eclipses happen during every full...Ch. 4 - Why does the Moon create tidal bulges on both...Ch. 4 - Why do the heights of the tides change over the...Ch. 4 - Explain how tidal forces are causing Earth to slow...Ch. 4 - Explain how tidal forces are causing the Moon to...Ch. 4 - Explain why the Gregorian calendar modified the...Ch. 4 - The term equinox translates as “equal night.”...Ch. 4 - The term solstice translates as “Sun stop.”...Ch. 4 - Why is the warmest day of the year in the United...Ch. 4 - When Earth’s Northern Hemisphere is tilted toward...Ch. 4 - Where are you on Earth if you experience each of...Ch. 4 - In countries at far northern latitudes, the winter...Ch. 4 - What is the phase of the Moon if it . . . A. rises...Ch. 4 - A car accident occurs around midnight on the night...Ch. 4 - The secret recipe to the ever-popular veggie...Ch. 4 - Your great-great-grandfather, who often...Ch. 4 - One year in the future, when money is no object,...Ch. 4 - Suppose you lived in the crater Copernicus on the...Ch. 4 - In a lunar eclipse, does the Moon enter the shadow...Ch. 4 - Describe what an observer at the crater Copernicus...Ch. 4 - The day on Mars is 1.026 Earth-days long. The...Ch. 4 - What is the right ascension and declination of the...Ch. 4 - What is the right ascension and declination of the...Ch. 4 - What is the right ascension and declination of the...Ch. 4 - During summer in the Northern Hemisphere, the...Ch. 4 - On the day of the vernal equinox, the day length...Ch. 4 - Regions north of the Arctic Circle are known as...Ch. 4 - In a part of Earth’s orbit where Earth is moving...Ch. 4 - In a part of Earth’s orbit where Earth is moving...Ch. 4 - If Sirius rises at 8:00 p.m. tonight, at what time...Ch. 4 - What are three lines of evidence you could use to...Ch. 4 - If the Moon rises at a given location at 6:00 p.m....Ch. 4 - Explain why some solar eclipses are total and some...Ch. 4 - Why do lunar eclipses typically last much longer...Ch. 4 - Suppose Earth took exactly 300.0 days to go around...Ch. 4 - Consider a calendar based entirely on the day and...Ch. 4 - If a star rises at 8:30 p.m. tonight,...Ch. 4 - What is the altitude of the Sun at noon on...Ch. 4 - Show that the Gregorian calendar will be in error...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- On a globe or world map, find the nearest marked latitude line to your location. Is this an example of a great circle? Explain.arrow_forwardIn a part of Earth’s orbit where Earth is moving faster than usual around the Sun, would the length of the solar day change? If so, how? Explain.arrow_forwardIn what direction would a compass needle points, if it were free to point in all direction, when located near Earth’s geographic north pole in Canada?arrow_forward
- Why is a sidereal day shorter than a solar day? O A. precession of Earth's axis B. the non-circular orbit of Earth around the Sun C. the tilt of Earth's axis D. the combined effect of the rotation of Earth and its orbit about the Sun E. Earth year being a non-integer number of Earth daysarrow_forward16. Which of the following sketches correctly shows the approximate orientation of a compass needle when placed on the equator of the Earth? North Geographic Pole South Geographic Pole North Geographic Pole South Geographic Pole North Geographic Pole South Geographic Pole North Geographic Pole D. None of the sketches are approximately correct. South Geographic Pole A. The sketch on the left. B. The sketch on the right. C. Either of the two sketches in the middle are approximately correct.arrow_forward▶ Answer Exercise: Determining Arc Length in an Application PDF Transcript for Exercise: Determining Arc Length in an Application 32. Trenton, New Jersey (40.2°N, 74.8°W), is located north of the equator, and Ayacucho, Peru (13.2°S, 74.2°W), is located south of the equator. The longitudes are nearly the same, indicating that the cities are roughly due north-south of each other. Use the difference in latitude to approximate the distance between the cities. 83. A pulley is 16 cm in diameter.arrow_forward
- When a long range cannonball is fired towards the equator from a northern(or southern) latitude, it lands west of its intended longitude. Why?arrow_forwardThe earth revolves around the sun in exactly 365 1/4 days which is equivalent to 1 year. To make up for the loss of 1/4 day, the calendar was adjusted so that we have a leap year for every 4 years. If the earth were to speed in its motion slightly so that a year would be completed in exactly 365 days and 6 hours, how often would we need to have a leap year?arrow_forwardWhat arc length does the Earth travel in a three month period in its nearly circular orbit about the sun with a radius of 1.5 x 10^(11) m?Required to answer. Single choice.arrow_forward
- 7. The Earth's equatorial bulge leads to a gravitational acceleration of 9.832 m/s² at the North Pole as compared to 9.807 m/s², the value at “sea level" (not at the equator, but at 45° latitude; look at the grossly exaggerated diagram below to see why). If the bulge were the only effect contributing to this increased gravitational acceleration (it's not), what would be the effective decrease in elevation below sea level? (I.e., find the value of d in the diagram.) (mp = 5.98×10²4 kg, TE = 6380 km, G 6.67×10¹¹ N-m²/kg²) ad "Sea Level"arrow_forwardJanuary is colder than July because the Earth is located farther from the Sun in January. True O Falsearrow_forwardA high tide is occurring at Charleston, South Carolina (33N, 84W). (a) What other longitude is also experiencing a high tide? (b) What two longitudes are experiencing low tides?arrow_forward
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