巴黎上空的月华
左图为法国巴黎著名的埃菲尔铁塔，在夜晚被金色的灯光照亮。顶部发出蓝色激光。云朵点缀着背景的天空。透过云层也可以看到月亮，但它被五颜六色的光环环绕着：月华。有关更多详细信息，请参阅说明。
凯旋门内的满月
2023年4月26日 The Moon through the Arc de Triomphe Image Credit & Copyright: Stefano Zanarello Explanation: Was this a lucky shot? Although many amazing photographs are taken by someone who just happened to be in the right place at the right time, this image took skill and careful planning. First was the angular scale: if you shoot too close to the famous Arc de Triomphe in Paris, France, the full moon will appear too small. Conversely, if you shoot from too far away, the moon will appear too large and not fit inside the Arc. Second is timing: the Moon only appears centered inside the Arc for small periods of time — from this distance less than a minute. Other planned features include lighting, relative brightness,…
法国上空的气辉
2023年2月15日 Airglow Sky over France Image Credit & Copyright: Julien Looten Explanation: This unusual sky was both familiar and unfamiliar. The photographer’s mission was to capture the arch of the familiar central band of our Milky Way Galaxy over a picturesque medieval manor. The surprise was that on this January evening, the foreground sky was found glowing in a beautiful but unfamiliar manner. The striped bands are called airglow and they result from air high in Earth’s atmosphere being excited by the Sun’s light and emitting a faint light of its own. The bands cross the entire sky — their curved appearance is due to the extremely wide angle of the camera lens. In the foreground lies Château de Losse in southwest France. Other familiar…