月亮

2020 April 15 A Cosmic Triangle Image Credit & Copyright: Scott Aspinall Explanation: It was an astronomical triple play. Setting on the left, just after sunset near the end of last month, was our Moon — showing a bright crescent phase. Setting on the right was Venus, the brightest planet […]

2020 March 22 Moon Setting Behind Teide Volcano Video Credit & Copyright: Daniel López (El Cielo de Canarias); Music: Piano della Moon (Dan Silva) Explanation: These people are not in danger. What is coming down from the left is just the Moon, far in the distance. Luna appears so large here bec

2020 March 16 A Moon Dressed Like Saturn Image Credit & Copyright: Francisco Sojuel Explanation: Why does Saturn appear so big? It doesn’t — what is pictured are foreground clouds on Earth crossing in front of the Moon. The Moon shows a slight crescent phase with most of its surface

2020 February 24 Moon Corona, Halo, and Arcs over Manitoba Image Credit & Copyright: Brent Mckean Explanation: Yes, but could you get to work on time if the Moon looked like this? As the photographer was preparing to drive to work, refraction, reflection, and even diffraction of moonlight from m

2019 November 28 Moon and Planets at Twilight Image Credit & Copyright: Petr Horálek Explanation: This week’s ongoing conjunction of Venus and Jupiter may have whetted your appetite for skygazing. Tonight is the main course though. On November 28, a young crescent Moon will join them posin

2019 October 5 Jupiter and the Moons Image Credit & Copyright: Derek Demeter (Emil Buehler Planetarium) Explanation: After sunset on October 3, some of the Solar System’s largest moons stood low along the western horizon with the largest planet. Just after nightfall, a pairing of the Moon

2019 September 16 A Lunar Corona over Turin Image Credit & Copyright: Giorgia Hofer (Cortina Astronomical Association) Explanation: What are those colorful rings around the Moon? A corona. Rings like this will sometimes appear when the Moon is seen through thin clouds. The effect is created by t

2019 August 3 Mimas in Saturnlight Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Peering from the shadows, the Saturn-facing hemisphere of Mimas lies in near darkness alongside a dramatic sunlit crescent. The mosaic was captured near the Cassini spacecraft’s final close