资讯

Today’s water challenges call for cooperation and the exchange of knowledge and expertise. The Dutch water sector invites you ...
The camera, now bolted to the end of a giant telescope at the Rubin Observatory, is expected to shoot photos of 20 billion ...
The powerful device will scan the sky like never before, capturing vast amounts of data to reveal how the universe changes ...
is still used by scientists to map objects in the sky. Hipparchus’s star catalog is the oldest known attempt to document the positions of as many objects in the night sky as possible ...