Eyes on the skies / Seing the invisible
When you listen to your favourite piece of music, your ears pick up on a very wide range of frequencies, from the deepest rumblings of the bass to the very highest pitched vibrations. Now imagine your ears were only sensitive to a very limited range of frequencies. You'd miss out on most of the good stuff! But that's essentially the situations that astronomers are in. Our eyes are only sensitive to a very narrow range of light frequencies: visible light. But we are completely blind to all other forms of electromagnetic radiation. However, there are many objects in the Universe that do emit radiation at other parts of the…
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Edu3
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