Spectral observations by NASA’s Dawn spacecraft reveal that the dwarf planet’s mysterious beacon is made of salt.
First Chiral Molecule Discovered in Space
The discovery of a chiral molecule in space has the potential to sort out one of the biggest mysteries in the chemistry of life.
See Mars and Saturn in the south these evenings. And if you have a telescopic, find three double stars in Scorpius, which stands to Saturn’s right by about a fist at arm’s length.
Late June offers a grab bag of clusters and nebulae “lined up” at the midnight hour. Time your southern deep-sky viewing with meridian passage and you’ll be a happy camper.
Sky & Telescope‘s astronomy podcast takes you on a guided tour of the night sky. In early evening look for Jupiter in the southwest, with Mars and Saturn embedded in Scorpius toward south.
Amateur astronomy has lost a dedicated observer and successful visual comet hunter.