优胜美地

天文·每日一图

半圆丘上空的昴宿星团

作者： /

A cluster of bright blue stars is seen on the upper right while an unusual dome-like mountain occupies most of the frame. Please see the explanation for more detailed information.
右上方有一簇明亮的蓝色恒星，而一座不寻常的圆顶山占据了画面的大部分。有关更多详细信息，请参阅说明。

天文·每日一图

半圆顶上空的昴宿星团

作者： /

2022年7月19日 Pleiades over Half Dome Image Credit & Copyright: Dheera Venkatraman Explanation: Stars come in bunches. The most famous bunch of stars on the sky is the Pleiades, a bright cluster that can be easily seen with the unaided eye. The Pleiades lies only about 450 light years away, formed

天文·每日一图

月光下的火瀑布

作者： /

2022年5月7日 Firefall by Moonlight Image Credit & Copyright: Tara Mostofi Explanation: On certain dates in February, an elusive firefall can be spotted at sunset in Yosemite National Park, when water flows, the weather cooperates and the direction to the setting Sun is just right. Often photograph

滚动至顶部