You would perceive a change in a visible light wave's amplitude as a change in its color
Indicate whether the statement is true or false
FALSE
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Which of the following telescopes is best suited for studying the hottest intergalactic gas (10 million K) in a cluster of galaxies?
Which of the following telescopes is best suited for studying the hottest intergalactic gas (10 million K) in a cluster of galaxies?
A moving object’s length in a given frame is defined to be the distance between two events that occur at opposite ends of the object and that are simultaneous in that frame. Why is it crucial that the events we use to define a moving object’s length be simultaneous?
A. This is purely conventional: there is no other reason. B. This choice makes it easier to use the Lorentz transformation equations to find the length. C. If the events are not constrained to be simultaneous, then the length is poorly defined: its value would depend on the time interval between the events. D. If the events are simultaneous, then the length will be a frame-independent quantity. E. Other (specify)
Why do we have seasons on Earth?
a) Season are caused the Sun moving through the constellations of the zodiac b) the spin axis of the Earth titled 23.5 with respect to a line normal to the plane of orbit c) the earth's distance from the Sun varies, so that it is summer the we are closer to the Sun and winter when we are farther from the Sun The spin axis of the Earth is titled 23.5 with respect to a line normal to the plane of orbit
Explain how rotation and magnetic fields influence the formation of the protostar
What will be an ideal response?