The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

The team believes this to be the first case of a double gravitational ... It is the northernmost gravitational lens known, which means there are a lot of ground-based telescopes that can conduct ...

and in this case, convenience. This telescope is super compact, measuring under seven inches long. It can slip into a bag or even a cup holder. It has a lens cap to keep it safe and a compass on ...