早安!月亮

早安!月亮

2024年1月12日 Good Morning Moon Image Credit & Copyright: Michael Luy, Trier Observatory, TWAN Explanation: Yesterday, the Moon was New. But on January 9, early morning risers around planet Earth were treated to the sight of an old Moon, low in the east as the sky grew bright before dawn. Above the city of Saarburg in Rhineland-Palatinate, western Germany, this simple snapshot found the waning Moon’s sunlit crescent just before sunrise. But also never wandering far from the Sun in Earth’s sky, inner planets Venus and Mercury shared the cold morning skyview. In the foreground are the historic city’s tower and castle with ruins from the 10th century. Tomorrow’s picture: circle around the Sun 早安!月亮 影像提供与版权: Michael Luy, Trier Observatory, TWAN 说明: 昨天适逢新月(农历初一)。然而在1月9日,世界各地早起的人们所见到的,却是渐亮天空中低悬在东方的残月。例如于这幅记录德国西部莱茵兰-华尔茨州萨尔堡市天空的影像里,即可见到日出前的一抺蛾眉月。除此之外,还可见到在地球天空中,总是徘徊在太阳附近的内行星─金星与水星,共同分享了这片严寒的清晨美景。这幅影像的前景为这座历史名城的塔楼和城堡,以及来自十世纪的废墟。 明日的图片: circle around…

金星的位相

金星的位相

2024年1月8日 The Phases of Venus Image Credit & License: Stéphane Gonzales Explanation: Venus goes through phases. Just like our Moon, Venus can appear as a full circular disk, a thin crescent, or anything in between. Venus, frequently the brightest object in the post-sunset or pre-sunrise sky, appears so small, however, that it usually requires binoculars or a small telescope to clearly see its current phase. The featured time-lapse sequence was taken over the course of six months in 2015 from Surgères, Charente-Maritime, France, and shows not only how Venus changes phase, but changes angular size as well. When Venus is on the far side of the Sun from the Earth, it appears angularly smallest and nearest to full phase, while when Venus and Earth are…

白昼的月亮遇见晨星

白昼的月亮遇见晨星

2023年11月16日 Daytime Moon Meets Morning Star Image Credit & Copyright: Katarzyna Kaczmarczyk Explanation: Venus now appears as Earth’s brilliant morning star, shining above the southeastern horizon before dawn. For early morning risers, the silvery celestial beacon rose predawn in a close pairing with a waning crescent Moon on Thursday, November 9. But from some northern locations, the Moon was seen to occult or pass in front of Venus. From much of Europe, the lunar occultation could be viewed in daylight skies. This time series composite follows the daytime approach of Moon and morning star in blue skies from Warsaw, Poland. The progression of eight sharp telescopic snapshots, made between 10:56am and 10:58am local time, runs from left to right, when Venus winked out behind the…

三行星伴石峰

三行星伴石峰

2023年11月14日 Three Planets Rock Image Credit & Copyright: Giovanni Passalacqua; Text: Liz Coelho (Pikes Peak) Explanation: In the fading darkness before dawn, a tilted triangle appeared to balance atop a rock formation off the southern tip of Sicily. Making up the points of the triangle are three of the four brightest objects visible in Earth’s sky: Jupiter, Venus and the Moon. Though a thin waning crescent, most of the moon’s disk is visible due to earthshine. Captured in this image on 2022 April 27, Venus (center) and Jupiter (left) are roughly three degrees apart — and were headed toward a close conjunction. Conjunctions of Venus and Jupiter occur about once a year and are visible either in the east before sunrise or in the west…