... The Vernal Equinox occurs Saturday, March 20, marking the first day of Spring for the Northern Hemisphere. ... The Comet and the Galaxy . ... During late March and early April 1997, Comet Hale-Bopp passed nearly in front of the Andromeda Galaxy. Here the Great Comet of 1997 and the Great Galaxy in Andromeda were photographed together on 1997 March 24th. ... The Very Large Telescope (VLT) Interferometric Array will be able to act as individual telescopes or as one huge telescope. ... March . ...