Copyright:
原文:
What happens when a star gets too close to a black hole? Recent observations from Earth-orbiting observatories of an event dubbed ASASSN-14li, in a distant galactic center, appears to be giving one star’s harrowing story. Although angularly unresolved, variations in high energy light indicate that some of the star became shredded and reformed into a disk swirling around the dark abyss. In the hypothesized scenario envisioned, a jet formed on the spin axis of the black hole. The innermost part of the disk, colored white, glows most strongly in X-rays and may drive a periodic wind, shown in blue. Future X-ray and ultraviolet observations of stellar disruptions by black holes — including those in the center of our own galaxy — hold promise of telling us about the complex dynamics of some of the hottest and highest-gravity places in the universe. Gallery: October’s Venus, Jupiter, & Mars Conjunction
中文翻譯:
當一顆恆星太接近一個黑洞時，會發生一系列驚險的事件。最近，地球軌道上的觀測站對一個名為 ASASSN-14li 的事件進行了觀察，這講述了一顆恆星的驚險故事。儘管在角度上無法解釋，但高能光的變化顯示出部分恆星被撕裂並重新形成為一個圍繞著黑洞的盤。根據推測的場景，黑洞的旋轉軸上形成了一個射流。盤的最內部，以白色標示，強烈發出 X 射線，並可能驅動一種周期性風，顯示為藍色。未來對黑洞引起的恆星擾動的 X 射線和紫外線觀測，包括我們自己銀河系中心的事件，將為我們揭示一些宇宙中最熱和最高重力地區的複雜動態。
#宇宙奇觀 #黑洞 #恆星擾動 #ASASSN14li #X射線觀測 #銀河系 #科學探索 #天文學爱好者 #驚心動魄的宇宙故事
來源:NASA每日圖片
