Westerlund 2 is a young massive obscured star cluster with an estimated age of about one or two million years. It contains some of the hottest, brightest, and most massive stars known. The cluster contains a dozen of O stars, of which at least three are eclipsing binaries.
Happy birthday to Gustav Klimt. Today we celebrate his special day with a painting he began in 1917, but was left unfinished by his sudden death in 1918. This masterful portraitist had an incredible impact on painting with his intimate depictions of women and remarkable detailing. Has anything unfinished ever looked so good?