金星和火星：在夜晚擦肩而过
(原标题: Venus and Mars: Passing in the Night)
2022-03-29
浏览次数: 27
当两颗行星在夜空中擦肩而过时，通常可以在一周或更长时间内看到它们彼此靠近。在这个行星合相的情况下，本月早些时候，金星和火星的距离在4度以内。这张特色图片是在几天前拍摄的，当时金星在黎明前的天空中慢慢升起，而火星正在慢慢下沉。这幅由四部分组成的马赛克图像是在巴西的一个小镇Teresópolis拍摄的。除了金星和火星，现在早晨的天空还包括更遥远的行星土星。当然，这些连接只是有角度的——金星、火星和土星继续在我们太阳系的不同地方围绕太阳运行。下周，土星和火星之间的角度将下降到四分之一度以下。
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When two planets pass on the night sky, they can usually be seen near each other for a week or more. In the case of this planetary conjunction, Venus and Mars passed within 4 degrees of each other earlier this month. The featured image was taken a few days prior, when Venus was slowing rising in the pre-dawn sky, night by night, while Mars was slowly setting. The image, a four-part mosaic, was captured in Brazil from the small town Teresópolis. Besides Venus and Mars, the morning sky now also includes the more distant planet Saturn. Of course, these conjunctions are only angular -- Venus, Mars, and Saturn continue to orbit the Sun in very different parts of our Solar System. Next week, the angle between Saturn and Mars will drop to below a quarter of a degree.
© Carlos Kiko Fairbairn