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If two objects are the same size but one object is 3 times hotter than the other one, then the hotter object emits
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A) 81 times more energy
B) 9 times more energy
C) 3 times more energy
D) 12 times more energy
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E) None of the Above
If you heat a gas so that collisions are continually bumping electrons to higher energy levels, when the electrons fall back to lower energy levels the gas produces
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A) radio waves.
B) an emission line spectrum.
C) an absorption line spectrum.
D) thermal radiation.
The answer to the first question is not D.
Luminosity (energy radiated per second) is proportional to Temperature raised to the fourth power (L proportional to T^4)
So an object that is 3 times hotter, emits how much more energy? I'll leave that to you to figure out.
For question 2:
You heat the gas, and the electrons use the energy to jump to a higher state. So when the electrons decay back down, what do you think happens? The energy has to go somewhere.
Your first answer is D because higher the object higher the radiations and other effects and higher is the energy
the answer is radio waves. In the universe when the supernova takes place the gases are exerted in the forms of electromagnetic waves and radio waves
 Physics question Please help me out!?
 Are the astronomers really planning a manned mission on Mars?
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I'm having trouble with 2 astronomy problems?