B.produces images of objects giving off infrared radiation
C.reflects light visible to the human eyes
D.is similar to an ordinary digital camera
43.It is true that infrared radiation ___________.
A.is not detectable to humans
B.looks brighter than visible light
C.is visible light reflected off an obj ect
D.has longer waves than those of visible light
44.Which of the following statements about asteroids is NOT true?
A.The WISE telescope can catch and take pictures of them.
B.They do not reflect light that reaches them.
C.They float through space giving off visible light.
D.They are invisible to ordinary cameras.
45.It can be in{erred from the last paragraph that brown dwarfs ___________ .
A.give off infrared radiation
B.are power stars like the sun
C.become massive and active
D.are invisible to the WISE telescope
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