加州上空的紫金山-阿特拉斯彗星

加州上空的紫金山-阿特拉斯彗星

作者Samuel Chan

A starfield is shown with a bright comet. The main tail of the comet points diagonally to the upper left, while a thin anti-tail points to the lower right. Mountain peaks are visible at the bottom in the foreground. Please see the explanation for more detailed information.
星空下有一颗明亮的彗星。彗星的彗尾指向左上方，而细长的反彗尾指向右下方。前景底部可见山峰。有关更多详细信息，请参阅说明。

模拟宇宙里的暗物质

模拟宇宙里的暗物质

作者Samuel Chan

A complicated web of dark filaments is seen against a light background. When many filmaments intersect, an orange spot is seen. Please see the explanation for more detailed information.
在浅色的背景下可以看到一个复杂丝缕状黝黑暗物质网。当丝缕状暗物质相交时，可以看到一个橙色的板块。有关更多详细信息，请参阅说明。

新西兰上空的绚烂极光

新西兰上空的绚烂极光

作者Samuel Chan

A night sky is shown that appears mostly red due to pervasive aurora. In the foreground is covered by watery grasslands. Clouds are visible above the horizon. Thin green aurora are visible toward the top of the frame. In the background one can find the Moon, the LMC, SMC, Venus, a meteor, and the band of our Milky Way galaxy. Please see the explanation for more detailed information.
画面显示的是一个被普遍存在的极光染成红色的夜空。前景是一片被水草覆盖的草原。地平线上方可见云层。画面顶部可以看到稀薄的绿色极光。背景中可以看到月球、大麦哲伦星系、小麦哲伦星系、金星、一颗流星以及银河系的中央盘面。有关更多详细信息，请参阅说明。