In 2017, an international team of astronomers has discovered an ultra-short-period rocky exoplanet with an orbital period of just 8.9 hours. When a planet has an orbital period of less than a day, astronomers classify it as an ultra-short-period planet.

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Narrator:
Russell Archey
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Graphics & Credits:
Space Engine - You can get it below:
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Music:
To the Light - Edward Karl Hanson
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