Universe: Stars And Galaxies
6th Edition
ISBN: 9781319115098
Author: Roger Freedman, Robert Geller, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 1, Problem 8Q
To determine
The definition of meteorites.
The reasons for meteorites to be essential in the study of the history of the solar system.
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Imagine a trans-Neptunian object with roughly the same mass as Earth but located 50 AU from the sun. a) based on the solar nebula theory, what do you think this object would be made of and why? b) on the basis of speculation, assume a reasonable density for this object and calculate its diameter in units of Earth radii.
In the solar system, there are many small pieces of rocks (i.e., asteroids) floating around that we canactually detect and whose orbits we can track. We’ll learn more about these later, but for now let’stake a look at the orbits of the asteroids. You’ll want to keep 3-4 significant digits throughout this problemand report all periods in years.(a) Imagine here is a gap in semi-major axis near a hypothetical 2.502 AU. What would the orbital period be of asteroids at this location?(b) The explanation for the missing asteroids has to do with gravitational interactions from themassive planet Jupiter located at 5.204 AU. Calculate is the orbital period of Jupiter in years?
This is ungraded problem that uses Kepler's 3rd law.
1) Assume a reasonable density for a trans-Neptuian object with the same mass as Earth, located 50 AU from the sun. Additionally, calculate it's diameter in units of Earth radii.
Chapter 1 Solutions
Universe: Stars And Galaxies
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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
- Why is Jupiters moon lo called a regular satellite? How are regular satellites supposed to have formed and evolved?arrow_forwardWhat do we mean by primitive material? How can we tell if a meteorite is primitive?arrow_forwardIf the solar nebula hypothesis is correct, do you think there e more planets in the Universe than stars? Why or why not?arrow_forward
- How do the planets discovered so far around other stars differ from those in our own solar system? List at least two ways.arrow_forwardWhat are the four stages of planetary development?arrow_forwardOne way to recognize a distant planet is by studying the planets motion along its orbit. If Uranus circles the Sun in 84.0 years, how many arc seconds will it move in 1 Earth day? Assume a circular orbit for Uranus, and pretend that Earth is not moving.arrow_forward
- Which meteorites are the most useful for defining the age of the solar system? Why?arrow_forwardHow do we know when the solar system formed? Usually we say that the solar system is 4.5 billion years old. To what does this age correspond?arrow_forwardExoplanets in eccentric orbits experience large temperature swings during their orbits. Suppose you had to plan for a mission to such a planet. Based on Kepler’s second law, does the planet spend more time closer or farther from the star? Explain.arrow_forward
- The Sun was once thought to be a planet. Explain why.arrow_forwardWhich step(s) listed in the previous question can be eliminated in models that form Jovian planets in thousands of years, a time frame that solves the Jovian problem? Order the following steps in the formation of a Terrestrial planet chronologically: gravitational collapse, accretion, outgassing, condensation, and differentiation.arrow_forwardWhat can we learn about the formation of our solar system by studying other stars? Explain.arrow_forward
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