2023年08月26日:金星的蛾眉位相-（Crescents of Venus） 2023年08月26日:金星的蛾眉位相-（Crescents of Venus）--原图下载{mtitle title="金星的蛾眉位相"/}Image Credit &Copyright: Roberto Ortu说明: 类似月亮有位相变化一样，金星可见的日耀区也会有盈亏。这组望远镜影像序列，呈现金星在2023年以昏星之姿出现的期间，日耀区渐次变化的景象。在地球与太阳之间的内行星轨道运行的金星，在这段期间的张角之所以会变大，是因为它越来越靠近地球。而它的蛾眉相之所以会愈来愈细，则是因为金星逐渐靠近我们往太阳的视线。它在8月13日来到最接近地球的下合位置，以大约8度的间距从太阳下方通过。如今金星已在清晨的东方地平线上方绽放光芒，结束了成为地球晨星的过渡。在8月21日，美国航太总署的帕克太阳探测器进行了对金星的第六次重力辅助飞越，并利用这次的相遇，操控探测器往记录上最靠近太阳的位置移动。{lamp/}原文：{mtitle title="Crescents of Venus"/}Image Credit &Copyright: Roberto OrtuExplanation: Just as the Moon goesthrough phases, Venus' visible sunlit hemispherewaxes and wanes.This sequence oftelescopicimagesillustrates the steady changes for Venus duringits recent 2023 apparition as our evening star.Gliding along its interior orbit between Earth and Sun, Venus growslarger during that period because it is approaching planet Earth.Its crescent narrows though, as the inner planet swings closer to ourline-of-sight to the Sun.Closest to the Earth-Sun line but passing about 8 degrees south of theSun, on August 13 Venus reached its (non-judgmental)inferior conjunction.And now Venus shines above the eastern horizon inpredawn skies, completing its transition to planet Earth'smorning star.On August 21, NASA's Parker Solar Probe completed its sixthgravity assist flyby of Venus, using the encounter to maneuverthe probe toward itsclosest approach yet to the Sun.

2020年05月21日:金星的位相-（Phases of Venus） 2020年05月21日:金星的位相-（Phases of Venus）--原图下载{mtitle title="金星的位相"/}Image Credit &Copyright:Richard Addis说明: 就像月亮的位相会有变化一样，金星可见的日耀区也会有盈亏。这幅后院望远镜组合影像，呈现金星在目前以昏星之姿出现的期间，日耀区变宽但面积缩成蛾眉的景象。这幅影像中的金星从下到上，分别摄于2020年2月27日、3月20日、4月14日、4月24日、5月8日和5月14日。在地球与太阳之间的内轨道绕行的金星，在这段期间之所以会变大，是因为它越来越靠近地球。而它会窄如蛾眉，则是因为金星越来越接近地球与太阳的连线。将在6月3日最接近地球-太阳连线，但从比太阳高半度的位置切过的金星，它在此时的位置称为下合。接着不久之后，金星将出现在清晨的天空中，成为地球的晨星。在今晚的日落后，西方地平线上空可见到金星，同时也能找到行蹤隐密的水星。{lamp/}原文：{mtitle title="Phases of Venus"/}Image Credit &Copyright:Richard AddisExplanation: Just asthe Moon goesthrough phases,Venus' visible sunlit hemisphere waxes and wanes.This composite of backyardtelescopic images illustrates the steady changes forVenus duringits current stint as our evening star, as the inner planet growslarger but narrows to a thin crescent.Images from bottom to top were taken during 2020 on datesFebruary 27, March 20, April 14, April 24, May 8, and May 14.Gliding along its interior orbit between Earth and Sun, Venus growslarger during that period because it is approaching planet Earth.Its crescent narrows, though, as Venus swings closer to ourline-of-sight to the Sun.Closest to the Earth-Sun line but passing about 1/2 degree north of theSun on June 3, Venus will reach a (non-judgmental)inferiorconjunction.Soon after, Venus will shine clearly above the eastern horizon inpredawn skies as planet Earth'smorning star.After sunset tonight look for Venus above the western horizonand you can also spotelusive innermost planet Mercury.

2014年03月29日:曙光中的银河-（A Milky Way Dawn） 2014年03月29日:曙光中的银河-（A Milky Way Dawn）--原图下载{mtitle title="曙光中的银河"/}Image Credit &Copyright:Babak Tafreshi(TWAN),ESO Ultra HD Expedition说明: 在3月27日的破晓时分，银河系中心悬在欧南天文台．Paranal观测站的正上方。在这幅鱼眼镜头影像中，智利阿塔卡马沙漠乾燥清朗天空中的银河系盘面，就像是被四座8米口径的极大望远镜环拱着。影像顶端所见的金星，位在东方地平面附近。而这颗明亮的晨星，几乎是贴在其中一部望远镜上，伴着邻近的残月绽放光芒。虽然东方天空拥有这对明亮的天体，但银河仍是这幅影像最吸睛的主角。由尘埃带、众星和辉光星云交织而成的银河盘面，蜿蜒横过黝黑的天顶，在此同时，深蓝的天空逐渐变亮，而建物依然在月光中闪烁。{lamp/}原文：{mtitle title="A Milky Way Dawn"/}Image Credit &Copyright:Babak Tafreshi(TWAN),ESO Ultra HD ExpeditionExplanation: As dawn brokeon March 27, the center of the Milky Way Galaxystood almost directly above the European SouthernObservatory's Paranal Observatory.In the dry, clear sky of Chile'sAtacama desert, our galaxy's dusty central bulge isflanked by Paranal's four 8 meter Very Large Telescopeunits in this astronomical fisheye view.Along the top, Venus is close to the eastern horizon.The brilliantmorning star shines very neara waning crescent Moonjust at the edge of one of the telescope structures.Despite the bright pairing in the east, the Milky Waydominates the scene though.Cut by dust lanesand charged with clouds of stars and glowing nebulae,the center of our galaxy sprawls across the darker zenitheven as the deep blue sky grows brighter and buildingsstill glint in moonlight.

2014年02月27日:月亮与金星在大白天的聚会-（Daytime Moon Meets Morning Star） 2014年02月27日:月亮与金星在大白天的聚会-（Daytime Moon Meets Morning Star）--原图下载{mtitle title="月亮与金星在大白天的聚会"/}Image Credit &Copyright: Cui Yongjiangand Shi Zexing说明: 金星现在以地球明亮晨星之姿，出现在日出前的东方地平面上方。而在2月26日，这盏银白色泽的天体明灯和残月发生了近合。如果日出前从非洲西部某些地方看出去，弯弯的眉月实际上通过(掩过)同样是眉相的金星之前方。但在更东方的区域，月掩金星则发生在白天。这幅摄于中国云南省的成对眉状天体之望远镜近合影像，呈现了白画晴朗天空中，月掩金星发生前的景象。这个一见难忘的景观，在大白天用肉眼即可见。{lamp/}原文：{mtitle title="Daytime Moon Meets Morning Star"/}Image Credit &Copyright: Cui Yongjiangand Shi ZexingExplanation: Venus now appears as planet Earth's brilliantmorning starstanding above the eastern horizon before dawn.For most, the silvery celestialbeacon rose in a close pairingwith an old crescent Moon on February 26.But seen from locationsin western Africa before sunrise,the lunar crescent actually occulted or passed in front of Venus,also in a crescent phase.Farther to the east, the occultation occurred during daylighthours.In fact, this telescopic snapshot of thedueling crescents was capturedjust before the occultation began under an afternoon'scrystal clear skies fromYunnan Province, China.The unforgettable scene was easily visible to the naked eyein broad daylight.

2011年07月02日:日出的月亮与金星-（Moon and Venus at Dawn） 2011年07月02日:日出的月亮与金星-（Moon and Venus at Dawn）--原图下载{mtitle title="日出的月亮与金星"/}Image Credit &Copyright: Tunç Tezel(TWAN)说明: 6月30日太阳升起之前，闪亮的金星与弯弯的眉月一起出现在东方的地平面上。在缤纷晨曦中被拍摄下来的这对可爱天体，正俯瞰土耳其伊兹密尔(Izmir)附近水库。在类似的情境下，若金星接近于月球相对于地球与太阳的"合"的位置时，就可以在清晨中看到月掩金星的情景。金星目前正结束地球晨星状态，而月亮则即将告别黎明，在约24小时之后迎向新月。事实上，未来两天月亮都会在日落后，出现在西方地平面上闪亮的水星附近。{lamp/}原文：{mtitle title="Moon and Venus at Dawn"/}Image Credit &Copyright: Tunç Tezel(TWAN)Explanation: Brilliant Venus and a thin crescent Moon stood togetherabove the eastern horizon just before sunrise on June 30.The lovely celestial pairing is captured inthiscolorful twilight skyviewoverlooking a reservoir near Izmir, Turkey.For some, the close conjunction could be viewed as adaylight occultation.While Venus is nearing the end of its latestperformance as planet Earth'smorning star,the old lunar cresent, about 24 hours from its New Moon phase,was alsobiddingfarewell for now to the dawn.In fact, for the next two nights a young Mooncan be spotted just after sunset.Look fora thin sunlit sliverclose to the western horizon, not far from bright planet Mercury.

2007年10月11日:亮行星与眉月-（Bright Planets, Crescent Moon） [2007年10月11日:亮行星与眉月-（Bright Planets, Crescent Moon）--原图下载](https://apod.nasa.gov/apod/image/0710/Early-Bird-Special.jpg"onMouseOver="if (document.images)document.imagename1.src='image/0710/Early-Bird-Special_lb750.jpg';"onMouseOut="if (document.images)document.imagename1.src='image/0710/Early-Bird-Special_750.jpg';){mtitle title="亮行星与眉月"/}Credit & Copyright: Jay Ouellet说明: 早起的人们最近有眼福在东方的地平面附近，看到耀眼的金星成为晨星。上面这张在10月7日日出之前所拍摄的星野照片里，可见到影像右上角的金星，以及左下方的眉月和土星。事实上，如果伸长手臂，你的拳头可以轻易的遮住这幅五度天区影像中的行星和眉月。而从地球向日面反射出来的地球反照光，照亮了月球夜面的地貌。仔细检视土星可发现，它旁边的亮点是来自它的大卫星土卫六。虽然月亮已经移出这个天区，但由金星、土星和狮子座最亮星--轩辕十四所构成的小三角形，在接下来的数天之中，仍然会是清晨天空中的珍宝。早起的天文摄影师ay Ouellet说，从他所在的加拿大．魁北克市东郊看出去，黝黑天空中的火星就像火红明亮的发光二极体。{lamp/}原文：{mtitle title="Bright Planets, Crescent Moon"/}Credit & Copyright: Jay OuelletExplanation: Early risers are currently enjoyingthe sight ofdazzling Venus,near the eastern horizon as themorning star.Recorded on October 7, this predawnskyviewdoes feature Venus at the upper right.It also includes a crescent Moon and Saturn (lower left).In fact, holding your fist at arms length would haveeasily coveredboth planets and the Moon in this 5 degree wide field.Earthshine,sunlight reflected from planet Earth's dayside, illuminatesfeatures on the lunar nightside.A close inspection of Saturn itself revealsa nearby pinpoint of light correspondingtoSaturn's large moon Titan.Though the Moon has moved on,the tight triangle formed by Venus, Saturn,and Regulus (top), alpha star in the constellation Leo, willcontinue to look impressivein early morning skies over the next few days.Early bird astrophotographer Jay Ouellet also describedMars as a "brilliant red diode" inhis dark country sky east of Quebec City, Canada.