Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 19, Problem 3P
If a trillion (1012) asteroids, each 1 km in diameter, were assembled into one body, how Large would it be? (Hint: The volume of a sphere
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The asteroid Hygiea has a mass of 8.67 x 1019 kg and an average radius of about 216 km (2.16 x 102 km). What is its escape velocity (in m/s)? (Hints: Use the formula for escape velocity,
2GM
; remember to convert units to m, kg, and s.)
r
e
m/s
Could you jump off the asteroid?
Yes
No
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Suppose there are 106 (1 million) asteroids that are 1.03 km in radius. If they were all combined into single sphere, calculate the radius of this sphere in km.
If a trillion (1012) asteroids, each 9 km in diameter, were assembled into one spherical body, how large (in km) would it be? (Note: The volume of a sphere
=
4
3
?r3.)
km
Compare that body's size to the size of Earth given in its celestial profile.
d
dEarth
=
Chapter 19 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 19 - What do Widmanst?tten patterns indicate about the...Ch. 19 - What do chondrules tell you about the history of...Ch. 19 - Why are there no chondrules in achondritic...Ch. 19 - Why do astronomers refer to carbonaceous...Ch. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Why do astronomers think the asteroids were never...Ch. 19 - Prob. 8RQCh. 19 - What evidence indicates that some asteroids have...Ch. 19 - What evidence indicates that some asteroids have...
Ch. 19 - Prob. 11RQCh. 19 - What is the difference between a gas tail and a...Ch. 19 - Prob. 13RQCh. 19 - What are the hypotheses for how the bodies in the...Ch. 19 - Prob. 15RQCh. 19 - Prob. 1DQCh. 19 - Do you think the government should spend money to...Ch. 19 - Prob. 1PCh. 19 - If a single asteroid 1 km in diameter were to be...Ch. 19 - If a trillion (1012) asteroids, each 1 km in...Ch. 19 - Prob. 4PCh. 19 - What is the maximum angular diameter of the...Ch. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - What is the orbital period of a comet nucleus in...Ch. 19 - The mass of an average comet’s nucleus is about...Ch. 19 - Prob. 1LTLCh. 19 - Prob. 2LTLCh. 19 - Prob. 3LTL
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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
- Explain why the planet Venus is differentiated, but asteroid Fraknoi, a very boring and small member of the asteroid belt, is not.arrow_forwardWhat evidence indicates that some asteroids once had geologically active surfaces?arrow_forwardThe mass of the asteroids is found mostly in the larger asteroids, so to estimate the total mass we need to consider only the larger objects. Suppose the three largest asteroids-Ceres (1000 km in diameter), Pallas (500 km in diameter), and Vesta (500 km in diameter)-account for half the total mass. Assume that each of these three asteroids has a density of 3 g/cm3 and calculate their total mass. Multiply your result by 2 to obtain an estimate for the mass of the total asteroid belt. How does this compare with the mass of the Oort cloud?arrow_forward
- In addition to the ones mentioned in Exercise 13.3, what is the third, rarer class of asteroids?arrow_forwardIf a trillion (1012) asteroids, each 1 km in diameter, were assembled into one spherical body, how large would that the spherical body be? Compare that bodys size to the size of Earth given in its Celestial Profile. (Note: The volume of a sphere = 43r3.)arrow_forwardThe asteroid Vesta has a mass of 2.59 x 1020 kg and an average radius of about 263 km (2.63 x 102 km). What is its escape velocity (in m/s)? (Hints: Use the formula for escape velocity, V. = 2GM -; remember to convert units to m, kg, and s.) m/s Could you jump off the asteroid? O Yes O Noarrow_forward
- Suppose the average mass of each of 20,000 asteroids in the solar system is 1017 kg. Compare the total mass of these asteroids to the mass of Earth. Assuming a spherical shape and a density of 3000 kg/m3, estimate the diameter of an asteroid having this average mass.arrow_forwardIn the previous lab, we calculated the area in between Mars' and Jupiter's orbit to be ~1.6e18 km2. Since there are roughly 750,000 asteroids, how much area (in km2) is available for one asteroid? Use this calculation to argue whether you are likely (or not) to hit an asteroid while flying through the asteroid belt. (Hint: To answer the first part of the question, find the area per asteroid)arrow_forwardHow close is Charon to Pluto's Roche limit?arrow_forward
- There is only one part to this question and I need to know the impacts. Thank you!!arrow_forwardConsider an asteroid that orbits in a relatively circular orbit with a semimajor axis a = 2 au from the Sun. A typical asteroid has an albedo, or reflectivity, A ~ 0.3. At our closest approach to the asteroid, we make a measurement of the flux coming from the asteroid to be F = 3 × 10-15 w m-2. What is the radius of the asteroid in km? Include a labelled diagram along with your calculations.arrow_forwardIf a trillion (1012) asteroids, each 9 km in diameter, were assembled into one spherical body, how large (in km) would it be? (Note: The volume of a 4 sphere =-tr.) 3 km Compare that body's size to the size of Earth given in its celestial profile. d dEartharrow_forward
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