Sedna is an icy solar system body that is so distant, it takes | Science & Technology

Sedna is an icy solar system body that is so distant, it takes 11,400 years to orbit the Sun. It resides roughly 3 times further out from the Sun than Neptune, and is two thirds the size of Pluto. It is one of the most distant objects known in the solar system, and although Sedna is covered in ice, it appears almost as red as Mars