保护地球，探索宇宙，发现文明
2023年5月17日 Sunspot with Light Bridge Image Credit & Copyright: Mark Johnston Explanation: Why would a small part of the Sun appear slightly dark? Visible is a close-up picture of sunspots, depressions on the Sun’s surface that are slightly cooler and less bright than the rest of the Sun. The Sun’s complex magnetic field creates these cool re...
2023年5月16日 Total Eclipse: The Big Corona Image Credit & Copyright: Reinhold Wittich Explanation: Most photographs don’t adequately portray the magnificence of the Sun‘s corona. Seeing the corona first-hand during a total solar eclipse is unparalleled. The human eye can adapt to see coronal features and extent that average cameras usually can...
5月份的天空会发生什么？月球与行星的合影，我们到达了“金星的顶峰”，以及南半球的天空有什么不同呢？
4月份的天空会发生什么？水星高升，本月的月亮和行星配对，以及天琴座流星雨。
The Moon is seen passing in front of the Sun during a solar eclipse from Ross Lake, Northern Cascades National Park, Washington on Aug. 21, 2017. A total solar eclipse swept across a narrow portion of the contiguous United States from Lincoln Beach, Oregon to Charleston, South Carolina. A partial solar eclipse was visible across the entire North American con...
3月份的天空会发生什么？金星高高升起，而木星向太阳后方俯冲，还有一颗与你的早餐麦片同名的小行星。
2023年2月22日 Our Increasingly Active Sun Image Credit & Copyright: Mehmet Ergün Explanation: Our Sun is becoming a busy place. Only two years ago, the Sun was emerging from a solar minimum so quiet that months would go by without even a single sunspot. In contrast, already this year and well ahead of schedule, our Sun is unusually active, already nearing ...
在望远镜的X射线视图中可以看到太阳大气层中一些最热的点。
2月份的天空会发生什么？
最亮的行星聚集在一起，御夫座和两个你可能想要了解的天狼星星团。
在太阳炽热的高层大气中，一组科学家发现了新的线索，可以帮助预测太阳下一次耀斑爆发的时间和地点。