标签: telescope

大折射镜与月食

2021年11月26日 Great Refractor and Lunar Eclipse Image Credit & Copyright: Laurie Hatch Explanation: Rain clouds passed and the dome of the Lick Observatory’s 36 inch Great Refractor opened on November 19. The historic telescope was pointed toward a partially eclipsed Moon. Illuminated by dim red lighting to preserve an astronomer’s night visio...