Astronomy Today (9th Edition)
9th Edition
ISBN: 9780134450278
Author: Eric Chaisson, Steve McMillan
Publisher: PEARSON
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Question
Chapter 1, Problem 10D
To determine
The amount of the Moon's surface that is lit by the Sun at any time. And, the reason that different phases of the Moon are visible from Earth.
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The angle of the lit portion of the moon relative to the horizon changes. For example, sometimes the crescent moon looks like a crooked smile; other times it looks like a hat cocked at an angle. The lit portion of the moon doesn't really rotate, so why does it look like it does? What is REALLY happening?
Only some of the people on the daytime side of Earth can witness a solar eclipse when it occurs, whereas all the people on the nighttime side of Earth can witness a lunar eclipse when it occurs. Why is this so?
(a) Explain the relative positions of the Earth, Sun, and Moon during a solar eclipse?
(b) Explain the relative positions of the Earth, Sun, and Moon during a lunar eclipse?
(c) Does a solar eclipse occur during a full moon, a new moon, or a quarter moon?
(d) Does a lunar eclipse occur during a full moon, a new moon, or a quarter moon?
(e) What is the name of the total shadow during a solar eclipse?
() What is the name of the partial shadow during a solar ecipse?
Chapter 1 Solutions
Astronomy Today (9th Edition)
Ch. 1 - Prob. 1DCh. 1 - Prob. 2DCh. 1 - Prob. 3DCh. 1 - Prob. 4DCh. 1 - Prob. 5DCh. 1 - Prob. 6DCh. 1 - Prob. 7DCh. 1 - Prob. 8DCh. 1 - Prob. 9DCh. 1 - Prob. 10D
Ch. 1 - Prob. 11DCh. 1 - Prob. 12DCh. 1 - Prob. 13DCh. 1 - Prob. 14DCh. 1 - Prob. 15DCh. 1 - Prob. 1MCCh. 1 - Prob. 2MCCh. 1 - Prob. 3MCCh. 1 - Prob. 4MCCh. 1 - Prob. 5MCCh. 1 - Prob. 6MCCh. 1 - Prob. 7MCCh. 1 - Prob. 8MCCh. 1 - Prob. 9MCCh. 1 - Prob. 10MCCh. 1 - Prob. 1PCh. 1 - Prob. 2PCh. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 9P
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- What fraction of the Moon’s visible face is illuminated during first quarter phase? Why is this phase called first quarter?arrow_forwardThe secret recipe to the ever-popular veggie burgers in the college cafeteria is hidden in a drawer in the director’s office. Two students decide to break in to get their hands on it, but they want to do it a few hours before dawn on a night when there is no Moon, so they are less likely to be caught. What phases of the Moon would suit their plans?arrow_forwardWhat fraction of the Moons surface area is the far side? Of the near side of a third-quarter moon, what fraction is dark? What fraction of the far side is in the dark that cannot be seen by an observer from Earth viewing the Moon in its third-quarter phase?arrow_forward
- A total eclipse of the Sun was visible from Canada on July 10, 1972. When did an eclipse occur next with the same EarthMoonSun geometry? From what part of Earth was it total?arrow_forwardWhat is the difference between the Moon and a moon?arrow_forwardMake a list of each main phase of the Moon, describing roughly when the Moon rises and sets for each phase. During which phase can you see the Moon in the middle of the morning? In the middle of the afternoon?arrow_forward
- The new moon is the first phase of the moon. During the day, a new moon is between the sun and the Earth. It's daytime, so we usually can't see it. Then, at night, the moon is on the other side of the Earth. Because the moon is not lighting up the sky, this is the best time to see stars and constellations. New moon Which of the following best describes the relationship between the new moon phase and constellations? During the new moon phase, constellations take on different shapes due to a lack of moonlight. During the new moon phase, constellations are on the same side of the earth as the sun. huring the new moon phase, constellations are easier to see due to a lack of moonlight. During the new moon phase, constellations are easier to see due to increased sunlight.arrow_forwardThe illuminated side of the Moon as seen from Earth is growing smaller. More than half of the visible moon is illuminated. What phase is it? Waning gibbous Waxing gibbous O Waxing crescent O First Quarter Waning crescent O Third Quarterarrow_forwardWhy don’t we have a solar eclipse and a Lunar eclipse every month?arrow_forward
- Explain in detail why and how we see the Moon go through phases. What one phase of the Moon could not happen if the phases were actually caused by the Earth’s shadow?arrow_forwardLunar eclipses are always eclipses of a full Moon. That is, the Moon is always seen full just before and after Earth’s shadow passes over it. Why is this? Why can we never have a lunar eclipse when the Moon is in its crescent or half-moon phase?arrow_forwardAfter watching the moon for several nights on a camping trip, you notice that you cannot see it despite it being a clear night. What lunar phase is it and how are the sun, moon, and Earth positioned? * 2 po O a first quarter moon, where the moon, Earth, and the sun form a perpendicular angle O a full moon, where Earth is directly between the moon and the sun a new moon, where the moon is directly between Earth and the sun O a third quarter moon, where the sun, Earth, and the moon form a perpendicular angle Which month marks the start of winter in the southern hemisphere? 2 poarrow_forward
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