火球

天文·每日一图

湖面上空的天琴流星

2022年4月28日 Lyrid of the Lake Image Credit & Copyright: Jeff Dai (TWAN) Explanation: In the early hours of April 24 this bright Lyrid meteor flashed along the central Milky Way. For a moment, it cast a bright reflection across Lake Nian, Yunnan province, China. The annual Lyrid meteor shower, on […]

天文·每日一图

彗星与火流星

2021年12月20日 The Comet and the Fireball Image Credit & Copyright: Cory Poole Explanation: This picture was supposed to feature a comet. Specifically, a series of images of the brightest comet of 2021 were being captured: Comet Leonard. But the universe had other plans. Within a fraction of a sec

天文·每日一图

北半球的双子流星

2021年12月17日 Geminid of the North Image Credit & Copyright: Alvin Wu Explanation: An arid expanse of the Tengger Desert in north-central China, planet Earth fills the foreground of this starry scene. A widefield panoramic view, it was recorded shortly after moonset in the local predawn hours of

天文·每日一图

加拿大路易斯湖上空的火流星

2021年10月12日 Fireball over Lake Louise Image Credit & Copyright: Hao Qin Explanation: What makes a meteor a fireball? First of all, everyone agrees that a fireball is an exceptionally bright meteor. Past that, the International Astronomical Union defines a fireball as a meteor brighter than appa

天文·每日一图

火流星的光与声

2021年03月15日 Meteor Fireballs in Light and Sound Image Credit & Copyright: Thomas Ashcraft (Radio Fireball Observatory) Explanation: Yes, but have you ever heard a meteor? Usually, meteors are too far away to make any audible sound. However, a meteor will briefly create an ionization trail that

资讯

“火球流星”划过澳洲上空,释放能量相当于小型核弹

在过去的一周里,发生了两起壮观的景象:巨大的火球划过了澳大利亚的上空。经过美国航空航天局(NASA)的证实,一颗“调皮的”流星与澳大利亚的海岸来了次亲密接触,最终落入了大澳大利亚湾(Great Australian Bight)的水域之中,威力与小型核弹相近。 第一起“火球事件”发生在5月20日周一的凌晨,横跨了澳大利亚的整个北领地(Northern Territory),在泰能特溪(Tennant Creek)和爱丽斯泉(Alice Springs)都能看到(这两个地方相距500多千米)。第二起发生在两天之后,划过了南澳大利亚和维多利亚州的上空。 点亮南阿德莱德医院上空的巨大火球。当火球炸裂

滚动至顶部