As that description notes, the WorldView Legion spacecraft are capable of resolving features as small as 12 inches (30 ...
The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...
It is believed that the planet, named HD 20794 d, is at just the right distance from its star to sustain water on its surface, but because this distance changes over the course of its elliptical ...