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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Moe.S Moe.S
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6 years ago
In a binary system containing two neutron stars, the objects will ____.
 
  a. radiate orbital energy away as gravitational radiation and move farther apart
  b. radiate orbital energy away as gravitational radiation and move closer together
  c. exchange mass until their orbital periods become equal
 d. exchange mass until they are in synchronous rotation
 e. exchange angular momentum, lengthening the period of the pulsar

Question 2

Which planet did Galileo observe go through a complete set of phases, thus proving the Ptolemaic model wrong?
 
  a. Saturn
 b. Jupiter
 c. Mars
 d. Venus
 e. Mercury

Question 3

Supernova remnants _____.
 
  a. always contain pulsars, because pulsars supply the ionizing radiation
  b. often last longer than a pulsar does, so the central pulsar may no longer be visible
 c. rarely contain pulsars, because pulsar radiation disrupts the remnant
 d. may not contain a pulsar, if the supernova explosion kicked the pulsar away at high speed
 e. never contain pulsars
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esimpso3esimpso3
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6 years ago
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Moe.S Author
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6 years ago
Thank you for helping me with this assignment of mine
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