活动太阳的日偏食
(原标题: A Partial Eclipse of an Active Sun)
2022-11-02
浏览次数: 14
在这个不寻常的日食视频中观看三件事。首先，观察一个大的黑圈从右边靠近，挡住越来越多的太阳。这个黑圈是月球，这段视频主要是为了捕捉上周的日偏食。接下来，观看一个巨大的日珥在太阳边缘盘旋和闪烁。仔细观察会发现，它的一部分实际上正在向太阳回落。日珥是由热等离子体组成的，这些等离子体被太阳不断变化的磁场暂时保持在高空。最后，观看太阳边缘的摆动。摇摆不定的是热气体管在太阳色球层中上升和下降的动态地毯——这些管被称为针状体。整个4秒的延时视频覆盖了大约10分钟的时间，尽管太阳本身预计还会持续50亿年。2022年10月的日偏食：提交给APOD的值得注意的作品
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Watch for three things in this unusual eclipse video. First, watch for a big dark circle to approach from the right to block out more and more of the Sun. This dark circle is the Moon, and the video was made primarily to capture this partial solar eclipse last week. Next, watch a large solar prominence hover and shimmer over the Sun's edge. A close look will show that part of it is actually falling back to the Sun. The prominence is made of hot plasma that is temporarily held aloft by the Sun's changing magnetic field. Finally, watch the Sun's edge waver. What is wavering is a dynamic carpet of hot gas tubes rising and falling through the Sun's chromosphere -- tubes known as spicules. The entire 4-second time-lapse video covers a time of about ten minutes, although the Sun itself is expected to last another 5 billion years. Partial Solar Eclipse in October 2022: Notable Submissions to APOD