Mission leader Dave McComas of the Southwest Research Institute in San Antonio says there is no good theory for why the heliosheath would be so jittery tens of billions of miles from the sun despite its tremendous size, or for why the ribbon even exists. (discovermagazine.com)
This digital cornucopia will most likely include a wealth of data about many thousands of Kuiper belt objects orbiting up to tens of billions of miles from the sun and almost certainly will include objects that once again contradict ideas about where the edge of the solar system is. (discovermagazine.com)
We're just now seeing them — months after we first encountered the dwarf planet — because the New Horizons spacecraft can only trickle the images back to Earth from billions of miles away. (businessinsider.com)