Richard Leis

Artist’s conception of Sedna, a planet-like object so far away that the Sun appears as an extremely bright star instead of the large, warm disc observed from Earth.

Artist's conception of Sedna, a planet-like object so far away that the Sun appears as an extremely bright star instead of the large, warm disc observed from Earth.

Artist’s conception of Sedna, a planet-like object so far away that the Sun appears as an extremely bright star instead of the large, warm disc observed from Earth. Image Credit: NASA/JPL-Caltech/R. Hurt (SSC)

Richard Leis