If the conclusions do not support their hypothesis they would start the experiment all over again and see what they did wrong. <span />
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Answer:
-heat
Explanation:
Radiation happens when heat moves as energy waves, called infrared waves, directly from its source to something else. This is how the heat from the Sun gets to Earth. In fact, all hot things radiate heat to cooler things. When the heat waves hits the cooler thing, they make the molecules of the cooler object speed up.
Good luck!!
The could tell by solar radiation and dark matter, they didnt know were dark matter was but they new it was there
