Tag Archives: Barbara Rosenberg Professor of Planetary Astronomy

2016 Discoveries: Could Long Rumored “Planet X” Actually Be “Planet Nine”?

This gallery contains 1 photo.

“The key observation is that there are these Kuiper Belt objects, the most distant objects beyond the orbit of Neptune, the ones that swing out the farthest from the sun so they’re the ones that are the least affected by … Continue reading

Gallery | Tagged , , , , , , , , , , , , , | 1 Comment