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Author Question: X-ray bursters occur in binary star systems. The two types of stars that must be present to make up ... (Read 31 times)

deesands

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on: Jul 27, 2018
X-ray bursters occur in binary star systems. The two types of stars that must be present to make up such an object are
 
  A) a contact binary system of two red giants.
  B) a white dwarf and a neutron star.
  C) a white dwarf and a main-sequence star.
  D) two neutron stars in a mass transfer binary.
  E) a main-sequence or giant star and a neutron star in a mass transfer binary.

Question 2

When an electron moves from a lower to a higher energy state, a photon is ________.
 
  Fill in the blank(s) with correct word


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dlook33

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Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

absorbed


deesands

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


dlook33

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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