模拟图

想像的金星火山

作者： NASA中文 / 2020年10月28日

2020年10月27日 Venusian Volcano Imagined Illustration Credit: NASA, JPL-Caltech, Peter Rubin Explanation: What would an erupting volcano on Venus look like? Evidence of currently active volcanoes on Venus was announced earlier this year with the unexplained warmth of regions thought to contain only anc […]

天文·每日一图

狂想参宿四

作者： NASA中文 / 2020年1月1日

2020 January 1 Betelgeuse Imagined Illustration Credit: ESO, L. Calcada Explanation: Why is Betelgeuse fading? No one knows. Betelgeuse, one of the brightest and most recognized stars in the night sky, is only half as bright as it used to be only five months ago. Such variability is likely just norm