ESA’s Proba-2 microsatellite experienced a conjunction of the spheres on Tuesday, as the Sun, Moon and Earth all lined up in front of it.
Artist's impression of Proba witnessing the the Solar eclipse created by Earth and Moon.
Image credits: ESA/ S. Corvaja
As people on the ground observed the 4 January partial solar eclipse, Proba-2 provided a privileged top-of-atmosphere view – at least briefly. Shortly after the Moon partially blocked Proba-2’s view of the Sun, the Sun-watching satellite flew into Earth’s shadow. At that point the Sun, Moon, Earth and Proba-2 were all on the same line in space. (read more)