An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a distance ...

The planetarium show hinted that a more complex shape could lie inside. The museum contacted the researcher who provided the Oort Cloud data for the show, who was also surprised to see the spiral.

Scientists had long thought the Oort Cloud was shaped like a sphere or flattened shell, warped by the push and pull of other planets and the Milky Way itself. The planetarium show hinted that a ...

The existence of the Oort Cloud was first proposed in 1950 by Dutch astronomer Jan Oort, who imagined it as a shell of icy bodies swirling around the sun from up to 1.5 light-years away.

The planetarium show hinted that a more complex shape could lie inside. The museum contacted the researcher who provided the Oort Cloud data for the show, who was also surprised to see the spiral.

Planetarium Discovery This image provided by the American Museum of Natural History shows a new planetarium show showing a backwards S-shaped spiral in what's known as the Oort Cloud far beyond Pluto.

The planetarium show hinted that a more complex shape could lie inside. The museum contacted the researcher who provided the Oort Cloud data for the show, who was also surprised to see the spiral.

Scientists had long thought the Oort Cloud was shaped like a sphere or flattened shell, warped by the push and pull of other planets and the Milky Way itself. The planetarium show hinted that a ...