Facts about Canopus
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Stellar evolution models suggest Canopus will eventually shed its outer layers as a planetary nebula, leaving behind a white dwarf remnant in roughly 10 million years.
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In about 5,000 years, Canopus will become too far south in Earth's sky for observers in most northern hemisphere locations to view it due to precession of Earth's rotational axis.
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Approximately 13 million years ago, Canopus reached its closest approach to Earth at roughly 74 light-years before gradually drifting farther into space.
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With a surface temperature around 7,400 Kelvin, Canopus burns as a yellow-white supergiant star roughly 65 times wider than our Sun.
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Alpha Carinae, Canopus's proper name, derives from the Arabic phrase Kanub al-Suhayl, meaning the stern of the ship Argo Navis in ancient maritime mythology.
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Canopus exhausts its hydrogen fuel at a rate roughly 10 million times faster than the Sun, consuming in mere millions of years what takes our star billions.
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Located in the southern sky's Carina constellation, Canopus serves as the second-brightest navigational star for human space missions and satellite orientation systems.
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The second brightest star visible from Earth, Canopus lies 309 light-years away and shines roughly 10,700 times brighter than our Sun.