Mysterious dark spot on Neptune detected from Earth for the first time

This is an astounding increase in humanity’s ability to observe the cosmos

astronomers have seen a large dark spot in Neptune’s atmosphere (P Irwin et al/ESO/PA)

A mysterious dark spot on Neptune has been detected from Earth for the first time.

Using the European Southern Observatory’s (ESO) Very Large Telescope (VLT), astronomers have seen a large dark spot in Neptune’s atmosphere, with an unexpected smaller bright spot next to it.