lunar

Astronauts on the moon may one day pour themselves a liquid telescope to gaze at distant galaxies.

Scientists have proposed using a liquid compound to craft a giant disc-shaped mirror that would be capable of reflecting objects that are undetectable by other telescopes, according to a paper published this week in the journal Nature. With much less expense than transporting a solid mirror, the liquid would be carried in a drum and poured over a disc-shaped mesh that unfurls robotically, according the paper. Surface tension on the mesh would prevent the liquid from dripping through its small holes, according to … Read more