Podcaster: Fraser Cain
Title: Guide to Space: What Are Light Echoes? Using Reflections Of Light To See Even Further Back In Time
Organization: Universe Today
Description: When we look outward into space, we’re looking backwards in time. That’s because light moves, at the speed of light. It takes time for the light to reach us. But it gets even stranger than that. Light can be absorbed, reflected, and re-emitted by gas and dust, giving us a second look. They’re called light echoes, and allow astronomers another way to understand the Universe around us.
Bio: Fraser Cain is the publisher of Universe Today
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365 Days of Astronomy
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