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Explorations: Stars, Galaxies, and Planets
Thomas Arny, University of Massachusetts
Stellar Remnants: White Dwarfs, Neutron Stars, and Black Holes

Essay Questions



1

Some astronomers have suggested that cooled white dwarfs are made of diamond. Why might it be impractical to mine them?
2

Suppose you jumped into a black hole feet first. What would happen to you as your feet approached its Schwarzschild radius? Hint: Think about tides on the Earth created by the Moon.
3

How would you explain to an 8-year-old child that black holes may exist?
4

Is it surprising that a pulsar is not seen in every supernova remnant? Why?








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