This Giant Planet Shouldn’t Exist – But Astronomers Just Found It Around a Tiny Star
一颗小星星仅五分之一的太阳质量,通过主持一个天然气巨星TOI-6894b,震惊了天文学家,这几乎是不可能的。该发现是通过苔丝数据进行的,并由世界上最大的望远镜之一确认,挑战了行星形成的理论。在一个小恒星周围发现一个行星,toi-6894是[...]
A tiny star gave birth to a giant exoplanet, but no one knows how
巨型系外行星令人惊讶地寒意,因为它与红色矮人的明星有多近 - 也许是因为这颗恒星很少。
Small star, mighty flares: ALMA shares new view of Proxima Centauri
在距离超过四个光年的距离上,Proxima Centauri是我们最近的恒星邻居,被称为非常活跃的M矮人之星。 Its flare activity has been well-known to astronomers using visible wavelengths of light, but a new study using observations with the Atacama Large Millimeter/submillimeter Array (ALMA) array highlights this star's extreme activity in radio and
Black holes snacking on small stars create particle accelerators that bombard Earth with cosmic rays
伽玛射线表明,微Quasars由小的黑洞驱动,缓慢地吞噬恒星。他们猛击了一拳,用宇宙射线轰炸了地球。