Tag: light
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Redshift
From radio waves to gamma rays, astronomers are able to learn so much about astronomical objects based on the type of light observed from them. Learn about one way astronomers use light to learn about an object: redshift.
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Light
On Earth, our main source of light is the Sun. Solar radiation, or sunlight, provides the energy for photosynthesis – plants create sugars, which when digested, release energy.