墨西哥布法山的微笑天空

墨西哥布法山的微笑天空

The featured image shows a night sky over a distant hill. The night sky has three bright objects: a crescent moon, the planet Venus (highest), and the planet Saturn. Taken together, the moon and planets make a happy face icon. Please see the explanation for more detailed information.
特色图片显示的是远处山丘上的夜空。夜空中有三个明亮的天体:新月、金星(最高)和土星。月亮和行星共同组成了一个快乐的表情图标。有关更多详细信息,请参阅说明。

土星环消失之谜

土星环消失之谜

The planet Saturn is shown many times down the composite image. The top image was taken in 2020 and shows Saturn’s rings very clearly, whereas the bottom image was taken in 2025 and the rings are only visible as a dark line across the planet. The six images show the progression year by year. Please see the explanation for more detailed information.
土星在合成图像中多次出现。上方图像拍摄于2020年,清晰地展现了土星环;下方图像拍摄于2025年,土星环仅以一条暗线的形式横跨整个土星。这六幅图像展现了土星环逐年变化的轨迹。有关更多详细信息,请参阅说明。

哈勃在鲸鱼体内发现鱿鱼

哈勃在鲸鱼体内发现鱿鱼

Today’s rather aquatic-themed NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy, which sits 45 million light-years away in the constellation Cetus (The Whale).
这是一张具有浓厚海洋风格的图像,由欧洲航天局/哈勃太空望远镜和美国国家航空航天局拍摄,展示的是螺旋星系梅西耶77(Messier 77),也被称为鱿鱼星系。该星系距离地球约4500万光年,位于鲸鱼座。