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 10QFR
To determine
The methods to find the exoplanets.
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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 billion
Describe the Doppler Method of searching for exoplanets.
The transit method is used to detected exoplanets by measuring the reduced starlight caused by the planet passing in front of its host star. Say you measure multiple transits of the same exoplanet. What does the time in between the transits represent?
Group of answer choices
- Orbital period
- Semi-major axis
- Ecentricity
- Planet's mass
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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- What revisions to the theory of planet formation have astronomers had to make as a result of the discovery of exoplanets?arrow_forwardWhat are the four main challenges that need to be overcome as scientists come together to try to get a probe to an exoplanetarrow_forwarda) What are the characteristics of a terrestrial planet? b) What are the characteristics of aJovian planet?arrow_forward
- Explain the role of impacts in planetary evolution, including both giant impacts and more modest ones.arrow_forwardExplain why the planet Venus is differentiated, but asteroid Fraknoi, a very boring and small member of the asteroid belt, is not.arrow_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_forward
- In the Transit method for detecting exoplanets, how many dips of light from the star need to be detected for it to be a successful detection of an exoplanet?arrow_forwardDue to the fact that planets emit more infrared radiation than any other type of light, astronomers have the best chance of directly imaging an exoplanet in the infrared part of the spectrum. select one of the following: A) true B) falsearrow_forwardWhat is exoplanetsarrow_forward
- Given what you know about the solar nebula theory, how likely is it that additional solar systems will yield inhabited planets? Visit NASA's Kepler mission and write a half-page description of the project.arrow_forwardWhich 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)arrow_forwardWhy would the astronomically short lifetime of gas and dust disks around protostars pose a problem in understanding how the Jovian planets formed? What modification of the solar nebula theory might solve this problem?arrow_forward
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