金星和木星的黄道光
(原标题: Zodiacal Ray with Venus and Jupiter)
2023-02-27
浏览次数: 16
是什么导致了那道从地平线延伸出来的不寻常的光线？环绕太阳的尘埃。在一年中的某些时候，一束来自太阳系内部的反射太阳的尘埃会在日落之后或日出之前出现，这被称为黄道光。这些尘埃主要是由暗淡的木星家族彗星释放出来的，并慢慢地螺旋状进入太阳。这张特色的HDR图像是2月中旬从西班牙内华达山脉国家公园拍摄的，它捕捉到了明亮的傍晚行星木星（上）和金星（下）正前方的黄道带。从黄道光后面发射出来的是一片漆黑的夜空，其中包括昴宿星团。木星和金星在夜空中慢慢地交换位置，就在接下来的几天里，它们的角度接近最近。
查看原文解释
What's causing that unusual ray of light extending from the horizon? Dust orbiting the Sun. At certain times of the year, a band of sun-reflecting dust from the inner Solar System appears prominently after sunset or before sunrise and is called zodiacal light. The dust was emitted mostly from faint Jupiter-family comets and slowly spirals into the Sun. The featured HDR image, acquired in mid-February from the Sierra Nevada National Park in Spain, captures the glowing band of zodiacal light going right in front of the bright evening planets Jupiter (upper) and Venus (lower). Emitted from well behind the zodiacal light is a dark night sky that prominently includes the Pleiades star cluster. Jupiter and Venus are slowly switching places in the evening sky, and just in the next few days nearing their closest angular approach.
© Ruslan Merzlyakov (astrorms)