每日天文图欢度三十周年
See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。
See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。
Two images are shown side by side. On the left is a sunset seen from Earth, while on the right is a sunset seen from Mars. The Earth sunset is quite orange, while the Mars sunset is quite blue. The Sun appears angularly smaller from Mars than from the Earth. Please see the explanation for more detailed information.
两张图片并排显示。左边是从地球上看到的日落,右边是从火星上看到的日落。地球日落呈橙色,而火星日落呈蓝色。从火星上看,太阳的视角尺寸比从地球上观察时要小。有关更多详细信息,请参阅说明。
A night sky is shown with many stars and streaks. In the foreground at the bottom are hills, a river, and the red and white streaks of car lights. Please see the explanation for more detailed information.
夜空中繁星点点,星光闪烁。底部前景是山丘、河流,以及红白相间的车灯。有关更多详细信息,请参阅说明。
A grid of images of the 25 brightest stars on the night sky is shown. The grid is 5 x 5. Some stars look bluer or more orange than others. Please see the explanation for more detailed information.
图中展示了夜空中25颗最亮恒星的图像网格。网格尺寸为5 x 5。有些恒星看起来比其他恒星更蓝或更橙。有关更多详细信息,请参阅说明。
A starfield is shown with many stars and several faint light brown dust clouds. In the center is a large cloud with brown dust and gas shells lined in blue. Please see the explanation for more detailed information.
图中显示的星场中有许多恒星和几朵淡淡的浅棕色尘埃云。中心是一片大型尘埃云,其褐色尘埃与气体外壳被蓝色光晕环绕。有关更多详细信息,请参阅说明。
Grand spiral galaxy NGC 3344 is shown. Spiral arms with stars, star clusters, and nebula are visible. Please see the explanation for more detailed information.
图中显示了巨大的螺旋星系NGC 3344。可以看到包含恒星、星团和星云的螺旋臂。有关更多详细信息,请参阅说明。
See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。