In the context of light curves, observations of an eclipsing ...

[fahad]

In the context of light curves, observations of an eclipsing binary system can directly tell astronomers not only the masses of its stars but also their _____.
 
  A) orbital periods
  B) diameters
  C) intensity of magnetic fields
  D) temperatures

Question 2

Cool stars emit a great deal of ultraviolet radiation that you can't see, and hot stars emit plenty of infrared radiation.
 
  Indicate whether the statement is true or false

[miss.ashley]

Answer to Question 1

B

Answer to Question 2

False