The team's new model was plotted from "a viewpoint of a distant observer" at the intersection of the Galactic plane (an imaginary surface dividing the Milky Way in half) and the ecliptic plane ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's ...

Credit: NASA/JPL-Caltech/GSFC HELSINKI — China plans to send a space observatory out of the plane of the ecliptic for a mission to study the poles of the sun. The Solar Polar Orbit Observatory ...