Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 10, Problem 30E
If you weigh 150 lbs. on the surface of Earth, how much would you weigh on Venus? On Mars?
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Chapter 10 Solutions
Astronomy
Ch. 10 - List several ways that Venus, Earth, and Mars are...Ch. 10 - Compare the current atmospheres of Earth, Venus,...Ch. 10 - How might Venus’ atmosphere have evolved to its...Ch. 10 - Describe the current atmosphere on Mars. What...Ch. 10 - Explain the runaway refrigerator effect and the...Ch. 10 - What evidence do we have that there was running...Ch. 10 - What evidence is there that Venus was volcanically...Ch. 10 - Why is Mars red?Ch. 10 - What is the composition of clouds on Mars?Ch. 10 - What is the composition of the polar caps on Mars?
Ch. 10 - Describe two anomalous features of the rotation of...Ch. 10 - How was the Mars Odyssey spacecraft able to detect...Ch. 10 - What are the advantages of using radar imaging...Ch. 10 - Venus and Earth are nearly the same size and...Ch. 10 - Why is there so much more carbon dioxide in the...Ch. 10 - If the Viking missions were such a rich source of...Ch. 10 - Compare Mars with Mercury and the Moon in terms of...Ch. 10 - Contrast the mountains on Mars and Venus with...Ch. 10 - We believe that all of the terrestrial planets had...Ch. 10 - Is it likely that life ever existed on either...Ch. 10 - Suppose that, decades from now, NASA is...Ch. 10 - We believe that Venus, Earth, and Mars all started...Ch. 10 - One source of information about Mars has been the...Ch. 10 - The runaway greenhouse effect and its inverse, the...Ch. 10 - In what way is the high surface temperature of...Ch. 10 - What is a dust devil? Would you expect to feel...Ch. 10 - Near the martian equator, temperatures at the same...Ch. 10 - Estimate the amount of water there could be in a...Ch. 10 - At its nearest, Venus comes within about 41...Ch. 10 - If you weigh 150 lbs. on the surface of Earth, how...Ch. 10 - Calculate the relative land area-that is, the...Ch. 10 - The closest approach distance between Mars and...
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- Explain the differences between the Grand Canyon on Earth and Valles Marineris on Mars.arrow_forwardWhat is a dust devil? Would you expect to feel more of a breeze from a dust devil on Mars or on Earth? Explain.arrow_forwardIf you lived on Mars, which planets would exhibit retrograde motion like that observed for Mars from Earth? Which would never be visible as crescent phases?arrow_forward
- Evidence exists that Mars may have had oceans 0.500 km deep in its early history. We don't know what the atmospheric pressure on Mars was back then, but some studies suggest it may have been as high as 50,000 Pa. What would have been the highest pressure at the bottom of these oceans? Density of water is 1000 kg/m³, gmars = 3.71 m/s².arrow_forwardIf we moved Venus out to 1 AU from the Sun (same as Earth), Venus would probably a. become more like Earth, with oceans and a temperate climate b. remain hot, dry, and dead because it's permanently lost its oceans c. become more like Mars, losing most of its atmosphere and freezing d. become much less geologically active due to decreased solar heatingarrow_forwardThe gravity on Mars is about 38% that of Earth's gravity. Let's say some cargo has a mass of 15 kg here on Earth. First, what would be the weight of that cargo in kilograms on Mars? Explain your answer. Second, what would be the mass of that cargo in kilograms on Mars? Explain your answer.arrow_forward
- The value of "g" at the surface of Mars is 3.7 N/kg. How much would a 60.0-kg person weigh at an altitude above the Martian surface equivalent to the planet's radius?arrow_forwardAtmospheric jet streams on Venus travel at 340 km/hr. How long (in days) does it take a jet stream to circle the planet once? The diameter of Venus is 1.21 x 104 km. daysarrow_forwardCalculate the surface escape velocities for Mars. rM = 3.3× 106 m, MM = 6 × 1022 kg).arrow_forward
- What is the escape velocity in km/s from Venus' exosphere, which begins about 168 km above the surface? Assume the gravitational constant is G = 6.67 × 10-11 m3 kg-1 s-2, and that Venus has a mass of 4.9e+24 kg and a radius of 5800.0 km.arrow_forwardAn astronaut has a mass of 68 kg, what is the weight of the astronaut on earth at sea level?What is the mass of the astronaut on the Moon, and on Mars?What is the weight of the astronaut on the Moon, and on Mars?What is the pressure exerted by the astronaut's shoe on Earth to Mars? (Assume an area of the astronaut's shoe)What is the ratio of the pressure exerted by the astronaut's shoe on Earth to Mars?arrow_forwardThe mass of the planet is approximately 74.8 times the mass of Jupiter. Calculate the average density of the planet. Give your answer in grams per cubic centimeter.arrow_forward
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