what astronomers learn about the electromagnetic spectrum
TRANSCRIPT
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WHAT ASTRONOMERS LEARN ABOUT THE ELECTROMAGNETIC SPECTRUM
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RADIO WAVES
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HOW DO RADIO WAVES HELP ASTRONOMERS
Astronomers learn about a stars composition, structure and motion
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MICROWAVES
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HOW DO ASTRONOMERS USE MICROWAVES
ASTRONOMERS PICK UP THE COSMIC MICROWAVE BACKGROUND THAT WAS LEFT OVER FROM THE BIG BANG
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VISIBLE LIGHT
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INFARED WAVES
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HOW DO ASTRONOMERS LEARNFROM INFARED WAVES
THEY LEARN INFORMATION ABOUT THE TEMPERATURE OF THE STARS
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HOW DO SCIENTISTS USE VISIBLE LIGHT TO STUDY STARS
–The only wave we can see. We can study about the red shift
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ULTRAVIOLET RAYS
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HOW DO ASTRONOMERS USE ULTRAVIOLET RAYS
THE WAVES ARE USED TO STUDY DISTANT GALAXIES BY COMPARING
UV LIGHT TO NEARBY GALAXIES
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X-RAYS
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HOW DO ASTRONOMERS USE X-RAYS
HIGH ENERGY WAVES GAIN INFORMATION ABOUT HOW UNIVERSE BEGAN STUDY
MATTER AND BLACK HOLES
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GAMMA RAYS
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HOW DO ASTRONOMERS USE GAMMA RAYS
POWERFUL WAVE MOST ENERGYSTUDY SOLAR FLARES ,SUPERNOVAS, BLACK HOLES AND OTHER GALAXIES