What type of electromagnetic radiation does Chandra collect?
a. visible light
b. ultraviolet
c. microwave
d. infrared
e. X-ray
e
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Earth-like planets have been observed outside our solar system orbiting in the habitable zone
Indicate whether the statement is true or false
An object that appears green in empty space is placed near but not in a black hole. To an observer far from the black hole, the object would appear
A. red. B. black. C. green. D. blue. E. brown.
In a given frictionless displacement of a particle, its kinetic energy increases by 25 J while its potential energy decreases by 10 J. Determine the work of the nonconservative forces acting on the particle during this displacement
a. ?15 J b. +35 J c. +15 J d. ?35 J e. +55 J
Hot water in a _______ can will cool off faster than hot water in any other color can
a. white b. red c. black d. silver