Essential Cosmic Perspective
9th Edition
ISBN: 9780135795033
Author: Bennett
Publisher: PEARSON
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Chapter 2, Problem 31EAP
When it is summer in Australia, the season in the United States is (a) winter. (b) summer. (c) spring.
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Chapter 2 Solutions
Essential Cosmic Perspective
Ch. 2 - Prob. 1VSCCh. 2 - Which of the four labeled points represents the...Ch. 2 - Which of the four labeled points represents the...Ch. 2 - The diagram exaggerates the sizes of Earth and the...Ch. 2 - Given that Earths actual distance from the Sun...Ch. 2 - As viewed from Earth, in which zodiac...Ch. 2 - If the date is April 21, what zodiac constellation...Ch. 2 - If the date is April 21, what zodiac constellation...Ch. 2 - Prob. 1EAPCh. 2 - Suppose you were making a model of the celestial...
Ch. 2 - On a clear, dark night, the sky may appear to be...Ch. 2 - Why does the local sky look like a dome? Define...Ch. 2 - Prob. 5EAPCh. 2 - What are circumpolar stars? Are more stars...Ch. 2 - What are latitude and longitude? Does the local...Ch. 2 - What is the zodiac, and why do we see different...Ch. 2 - Suppose Earth’s axis had no tilt. Would we still...Ch. 2 - Briefly describe key facts about the solstices and...Ch. 2 - What is precession? How does it affect our view of...Ch. 2 - Briefly describe the Moons cycle of phases. Can...Ch. 2 - Why do we always see the same face of the Moon?Ch. 2 - Why don’t we see an eclipse at every new and full...Ch. 2 - What do we mean by the apparent retrograde motion...Ch. 2 - Prob. 16EAPCh. 2 - Decide whether the statement makes sense (or is...Ch. 2 - Prob. 18EAPCh. 2 - Decide whether the statement makes sense (or is...Ch. 2 - Prob. 20EAPCh. 2 - Decide whether the statement makes sense (or is...Ch. 2 - Decide whether the statement makes sense (or is...Ch. 2 - Prob. 23EAPCh. 2 - Decide whether the statement makes sense (or is...Ch. 2 - Decide whether the statement makes sense (or is...Ch. 2 - Decide whether the statement makes sense (or is...Ch. 2 - Two stars that are in the same constellation (a)...Ch. 2 - The north celestial pole is 35° above your...Ch. 2 - Beijing and Philadelphia have about the same...Ch. 2 - In winter, Earth’s axis points toward the star...Ch. 2 - When it is summer in Australia, the season in the...Ch. 2 - If the Sun rises precisely due east. (a) you must...Ch. 2 - A week after full moon, the Moon’s phase is (a)...Ch. 2 - The fact that we always see the same face of the...Ch. 2 - If there is going to be a total lunar eclipse...Ch. 2 - When we see Saturn going through a period of...Ch. 2 - Cultural Constellations. Many cultures have...Ch. 2 - Group Discussion: Sharing the Sky. Astronomers...Ch. 2 - Prob. 39EAPCh. 2 - These questions may be answered individually in...Ch. 2 - These questions may be answered individually in...Ch. 2 - These questions may be answered individually in...Ch. 2 - These questions may be answered individually in...Ch. 2 - New Planet. A planet in another solar system has a...Ch. 2 - Your View of the Sky. a. What are your latitude...Ch. 2 - View from the Moon. Suppose you lived on the Moon,...Ch. 2 - View from the Sun. Suppose you lived on the Sun...Ch. 2 - Farther Moon. Suppose the distance to the Moon...Ch. 2 - Smaller Earth. Suppose Earth were smaller. Would...Ch. 2 - Project: Eclipse Trip. Find details about a future...Ch. 2 - Be sure to show all calculations clearly and state...Ch. 2 - Find the Sun’s Diameter. The Sun has an angular...Ch. 2 - Prob. 54EAPCh. 2 - Prob. 55EAP
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- It is the first day of summer. Will the days start getting longer tomorrow, start getting shorter tomorrow, or will the Sun stay up in the sky tomorrow for as long as it did today?arrow_forwardWhat are the two ways that the tilt of Earth’s axis causes the summers in the United States to be warmer than the winters?arrow_forwardBarrow, Alaska (71N), gets 24 hours of daylight for several weeks near June 21. Austin, Texas (34N), only gets 14 hours of sunlight near June 21. Why is it hotter in Texas?arrow_forward
- When Earth’s Northern Hemisphere is tilted toward the Sun during June, some would argue that the cause of our seasons is that the Northern Hemisphere is physically closer to the Sun than the Southern Hemisphere, and this is the primary reason the Northern Hemisphere is warmer. What argument or line of evidence could contradict this idea?arrow_forwardExplain two reasons winter days are colder than summer days.arrow_forwardThe zone that lies within 38° of the equator receives more solar radiation than is lost to space while the opposite is true for higher latitudes where the outgoing longwave radiation exceeds incoming solar radiation. Despite this fact, why is it that the tropics are not heating up and the poles are not cooling down any further?arrow_forward
- Approximating the values in the available data in Figure 3, calculate the w values at 12 PM and 12 AMarrow_forwardWhat is the importance of having different temperature scales? Why?arrow_forwardQ2: Liquid oxygen is used as fuel in rockets, and its boiling point is (183-c). What is its boiling point in degrees of kelvin and fahrenheit? Q3: A thin flat plate contains glycerin isolated from another plate with a layer of liquid. The density of the fluid is 9.8 gm / cm3. If you know that the density of glycerin is equal to 1.26 gm / cm3, the viscosity factor of glycerin is 1.412. Poise Calculate the viscosity coefficient of the liquid? Q4: Make the following conversions 1- 6.2 moles of (ca) OH to Eq. 2- Convert 7 grams of KOH to Eq.Q: Calculate the standard concentration of ammonium sulfate when dissolving 20 grams of it in 40 milliliters of water?arrow_forward
- Give two reasons why it is warmer in summer than in winter. Explain how these twoeffects cause Earth’s seasons.arrow_forwardWhat are the main factors that determine seasonal temperature variations? Draw your answer.arrow_forwardOn a winter day when the air temperature is 0 °C, the relative humidity is 50% . Outside air comes inside and is heated to a room temperature of 20 °C . What is the relative humidity of the air inside the room. (Does this problem show why inside air is so dry in winter?)arrow_forward
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