Last night's full moon was easy to miss, and that was rather the point. While supermoons dominate headlines with their oversized glow, May 30th delivered the opposite: a blue micromoon, the farthest, smallest, and dimmest full moon of the year.... Continue Reading →
Eclipses tend to come in pairs. Twice a year, during an eclipse season that lasts about 34 days, Sun, Moon, and Earth can nearly align. Then the full and new phases of the Moon, separated by just over 14 days, create a... Continue Reading →
Are Saturn's auroras like Earth's? To help answer this question, the Hubble Space Telescope and the Cassini spacecraft monitored Saturn's North Pole simultaneously during Cassini's final orbits around the gas giant in September 2017. During this time, Saturn's tilt caused its North Pole to be clearly visible from Earth.... Continue Reading →