observatory

With a full-power observatory in place, that explanation, as well as a better explanation of high-energy astrophysical phenomena throughout the universe, may be available in the years to come.

When a piece of antimatter strikes the observatory and collides with "normal" matter, both particles immediately annihilate and are transformed into gamma rays — which Fermi can detect.

They visited the observatory yesterday.

An observatory on the back side of the Moon would be a giant leap for astronomy, but there is a for more important reason to return.

The observatory has a powerful telescope.