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Question
What is a "main sequence star"?A) a star that is aligned with many other, similar colored stars
B) a star that is in a group of stars with similar ages and sizes
C) a star that falls in a band in a band on the H-R Diagram with most other stars
D) a star that is statistically indistinguishable from 90% of all stars
E) a star that shows the same trend in distance from earth and temperature as many other stars
Answer
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Related questions
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What is the main factor that determines what will happen to a star after it consumes all of its nuclear fuel?
A) temperature
B) size
C) mass
D) velocity
E) composition
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A neutron star theoretically will form from a supernovae collapse that ________.
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C) forms ions that bond electrostatically into very small volumes
D) converts the atomic nucleus to a small volume with high mass by expelling all neutrons
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Balance for a main sequence star is achieved when ________.
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The Sun belongs to this class of stars.
A) black hole
B) main-sequence star
C) red giant
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A red star is ________ our Sun.
A) hotter and smaller than
B) hotter and larger than
C) colder and larger than
D) colder and smaller than
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When viewed through an optical telescope, planetary nebula ________.
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What was Hubble's major contribution to Cosmology?
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Label the Giant and Supergiant stars, the Main Sequence stars, and the White dwarf stars on the H-R diagram below.
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Possibly the most cataclysmic event associated with the death of a star is the ________.
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The hottest main-sequence stars are also the most massive.
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The measure of a star's brightness is called its magnitude.
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Examine the words and/or phrases for each question below and determine the
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Examine the words and/or phrases for each question below and determine the
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