GRE Logical Reading: ETS-GRE逻辑单题ETS - 49I7XPJO5A9NDEI3K$

The closest distance from which an asteroid has been photographed using ground-based radar is 2.2 million miles, the distance from which the asteroid Toutatis was recently photographed. The closest photograph of an asteroid is of Gaspra, which was photographed from a distance of only 10,000 miles.