Astronomy Notes / Sedna

 Astronomy Notes / Sedna



 Astronomy Notes / Sedna


SEDNA

·         A planetoid that is 13 billion km from the sun.

·         A bit smaller than the dwarf planet Pluto and three times further away

·     Its temperature never gets above minus 240degree C

·         It is one of the reddest objects in the Solar system, after Mars and takes 10,500 years to travel its highly elliptical path around the Sun


 Astronomy Notes / Sedna

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