Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Chapter 8, Problem 17QFR
To determine
Explain the Planetesimal theory of planet formation.
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Which of the following statements is correct?
a. The formation of planets stopped because the solar nebula got cooler
c. The formation of planets stopped because the solar nebula ran out of planetesimals
d. The formation of planets stopped because the solar nebula spinning was slowing down
e. The formation of planets stopped because the young Sun's strong solar wind swept away material not yet accreted onto the planets
Which is these facts is NOT explained by the nebular theory?
There are two main types of planets: terrestrial and jovian
Existance of comets and asteroids
Planets orbit in the same direction and plane
Number of planets of each type (4 terrestrial and 4 jovian)
What are two differences between the terrestrial (rocky) planets and the Gas giants?
Chapter 8 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 8 - Name the eight planets in order of increasing...Ch. 8 - (8.1) What is Pluto, and why isnt it a planet?Ch. 8 - Where are the asteroid belt, the Kuiper belt, and...Ch. 8 - Prob. 4QFRCh. 8 - Prob. 5QFRCh. 8 - Prob. 6QFRCh. 8 - What properties, apart from position, distinguish...Ch. 8 - How old is the Solar System? How do we know?Ch. 8 - Prob. 9QFRCh. 8 - Prob. 10QFR
Ch. 8 - Prob. 11QFRCh. 8 - Prob. 12QFRCh. 8 - Prob. 13QFRCh. 8 - Prob. 14QFRCh. 8 - Prob. 15QFRCh. 8 - Prob. 16QFRCh. 8 - Prob. 17QFRCh. 8 - Prob. 18QFRCh. 8 - Prob. 19QFRCh. 8 - Prob. 20QFRCh. 8 - Prob. 21QFRCh. 8 - Prob. 22QFRCh. 8 - Prob. 1TQCh. 8 - Prob. 2TQCh. 8 - Prob. 3TQCh. 8 - Prob. 4TQCh. 8 - By what factor would the Sun be shrunk to be the...Ch. 8 - (8.1) Calculate the densities of Venus and Jupiter...Ch. 8 - Look up the masses and radii of Mercury and...Ch. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - Prob. 7PCh. 8 - Prob. 8PCh. 8 - Prob. 1TYCh. 8 - Prob. 2TYCh. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Prob. 5TYCh. 8 - The numerous craters we see on the solid surfaces...Ch. 8 - Prob. 7TY
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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
- Describe the solar nebula, and outline the sequence of events within the nebula that gave rise to the planetesimals.arrow_forwardWhat is the difference between a planetesimal and a protoplanet?arrow_forwardWhere would you look for some “original” planetesimals left over from the formation of our solar system?arrow_forward
- Why is Pluto not considered a major planet, and what other peculiarity distinguishes it from the major planets?arrow_forwardExplain how the terrestrial planets and the Jovian planets ended up so different.arrow_forward20 Approximately how many other planetary systems have been discovered to date? A Tens of thousands B) Tens C Hundreds D Thousands E Millionsarrow_forward
- About how many exoplanets have been detected? Group of answer choices 2 dozen a few hundred a few thousand a few million more than a billionarrow_forwardPresent theory suggests that giant planets cannot form without condensation of water ice, which becomes vapor at the high temperatures close to a star. So how can we explain the presence of jovian-sized exoplanets closer to their star than Mercury is to our Sun?arrow_forwardDescribe two processes that could melt the interior of a forming planet.arrow_forward
- Describe four differences between the two ice giants, Uranus and Neptune, and the two gas giants, Jupiter and Saturn. (Hint: Review Celestial Profiles for all of these planets.)arrow_forwardDescribe four characteristics in common among all four Jovian planets. (Hint: Review Celestial Profiles for all of these planets.)arrow_forwardWhat are the primary constituents of the Jovian planets? (16.5) (a) hydrogen and helium (b) hydrogen and carbon dioxide (c) methane and oxygen (d) nitrogen and oxygenarrow_forward
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