The planets all lie in nearly the same plane resulting in a disk-like structure for the solar system. This disk-like structure is believed to exist because
a. the solar nebula from which the planets formed had a disk-like structure.
b. the bipolar flow from the young Sun cleared all material out of the nebula except that in the disk.
c. Jupiter's gravity was great enough to pull all of the other planets to the plane of its orbit.
d. the Milky Way Galaxy from which the planets condensed has a disk-like structure
a
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In a binary system, the most massive star:
A) shows a large Doppler shift. B) is farthest from the balance point of the system. C) follows the largest orbit. D) is closer to the center of mass.
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Answer the following statement true (T) or false (F)
A red supergiant is observed in a globular cluster in another galaxy (located 150,000 light years away). It is predicted, based on its mass and age of the star that it will supernova in about 10,000 years
When will this supernova be visible on Earth? A) 10,000 years from now B) 10,000 years ago C) 150,000 years from now D) 150,000 years ago E) 160,000 years from now
Which of these lists is in order of increasing wavelength?
A. First harmonic, second harmonic, fundamental B. Third harmonic, second harmonic, first harmonic C. Second harmonic, third harmonic, fourth harmonic D. First harmonic, second harmonic, third harmonic