哈勃望远镜拍摄到了边缘的星系
The galaxy known as NGC 5907 stretches wide across this image. Appearing as an elongated line of stars and dark dust, the gal…
The galaxy known as NGC 5907 stretches wide across this image. Appearing as an elongated line of stars and dark dust, the gal…
2020 June 27 Eclipse under the ISS Image Credit: NASA ISS Expedition 63 Explanation: The dark shadow of the New Moon reached …
NASA、ESA和JAXA收集了大量从太空观测地球的数据,包括NASA-NOAA Suomi NPP卫星的“夜灯”数据,以跟踪世界对COVID-19大流行所带来的全球和局部变化的反应。这张照片显示的是旧金山湾区。 影像来源:NASA 为应对全球冠状病…
美国宇航局的第一个行星防御任务目标有了一个新名字 大约在二十年前,一个近地小行星被发现有一颗卫星,该双星系统被命名为“ Didymos”(希腊语,意为“双胞胎”),它是对较大的主体和较小的绕行卫星的一个松散的描述, 非正式地称为DidymosB。 N…
As nuclear fusion engines, most stars live placid lives for hundreds of millions to billions of years. But near the end of th…