Polar bear?
Kudos to NASA for using an inventive measuring unit... particularly as outside of the scientific community and regular zoo visitors, most people have no idea how big a polar bear is.
NASA's Wide-field Infrared Survey Explorer (WISE) has returned its first photograph - a calibration shot of "about 3,000 stars in the Carina constellation": First infrared image from NASA's wise NASA explains* that the eight-second exposure was "captured as the spacecraft stared in a fixed direction, in order to help …