ASTR 80507

subject Type Homework Help
subject Pages 6
subject Words 662
subject Authors Eric Chaisson, Steve McMillan

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Will the Sun become a brown dwarf? Explain.
Describe the changes in the Sun from beginning to end of a sunspot cycle.
Contrast finding the distances to seventh magnitude M3V and M3Ib stars.
In the cosmological principle, ________ implies that matter and energy are randomly
page-pf2
distributed in space.
How did the Hipparcos mission revolutionize our knowledge of stellar properties?
If the collapsing star is over 25 solar masses, the core may form a ________ in a
hypernova event.
The supernova that created the Crab nebula and its pulsar was seen on Earth in the year
________.
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Blue stragglers are only found in ________.
Why does the Moon lack an atmosphere?
If the dark nebula are really dark, how do we know they are there?
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Pluto was discovered in 1930 by ________.
If the magnetic fields are very strong, such as around sunspots, how are spectral lines
affected by the Zeeman effect?
A hot, molten body of different materials will become ________.
X-ray observations of elliptical galaxies reveal large amounts of very hot ________ in
their interior.
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Why can the Tully-Fisher relation be used at greater distances than Cepheids?
Which classes of stars with large habitable zones probably don't last long enough for
life to evolve to use them?
Contrast the atmosphere of Venus with its clouds.

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