Small asteroids may look far more different than scientists first expected. Scientists involved with the NASA Asteroid Initiative have announced that small asteroids can actually be flying rock clusters or even clouds of dust surrounding solid rocks.
The two scientists that made the announcement were studying the asteroid, 2011 MD, with the Spitzer Space Telescope. They wanted to determine if it fit with a specific narrow range and if it could be used for NASA's asteroid mission. They used infrared light in order to determine the asteroid's size...
20:08 Month in Space: November 20162