月落时分的特大天线阵
2020年10月9日 The Very Large Array at Moonset Image Credit: Jeff Hellermann, NRAO / AUI / NSF Explanation: An inspirational sight, these giant dish antennas of the Karl G. Jansky Very Large Array (VLA) rise above the New Mexico desert at moonset. Mounted on piers but transportable on railroad tracks to change the VLA’s configuration, its 27 operating antennas a...