A moon whose surface is smooth, with no craters, is probably ...

[theo]

A moon whose surface is smooth, with no craters, is probably ________.
 
  Fill in the blank(s) with correct word

Question 2

Thermal radiation is defined as ________.
 
  A) radiation that is felt as heat radiation in the form of emission lines from an object
  B) radiation produced by an extremely hot object
  C) radiation with a spectrum whose shape depends only on the temperature of the emitting object

[yotaSR5]

Answer to Question 1

active

Answer to Question 2

C

[theo]

Thanks

[yotaSR5]

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