Rosetta's comet may be made up entirely of pebbles: scientists
First map of Rosetta's comet

Rosetta's comet may be made of pebbles entirely

Chuck Bednar for – @BednarChuck The comet currently being observed by the ESA's Rosetta spacecraft may actually be made entirely of pebbles, scientists involved with the mission explained earlier this week at the 46th annual Lunar and Planetary Science Conference in Houston, Texas. [STORY: NASA: Comets are like fried ice cream] According to NewScientist, François…