At http://phys.org/print357892974.html … NASAs WISE mission, which involved an infrared telescope and camera on a spacecraft, discovered a group of dark asteroids known as the Euphrasyne asteroids – which are distributed at the outer edge of the better known asteroid belt between Mars and Jupiter. They have an unusual orbital path tha juts wel above the ecliptic. They may also be the remnant of an ancient collision.
Euphrosyne asteroids
6 August 2015Astronomy