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Apep: Unusual Dust Shells from Webb

Apep: Unusual Dust Shells from Webb

中文翻譯:
在寬廣的宇宙中,有一個叫做Apep的奇特空間雕塑,這是由恆星形成的!這個奇特的旋渦和殼狀體系,於2024年被美國國家航空暨太空總署(NASA)的詹姆斯·韋伯太空望遠鏡用紅外線光線觀測到了前所未有的細節。觀察顯示,這個特別的形狀來源於兩顆巨大的狼-雷特恆星互相旋轉,每190年會靠近一次,每次靠近都會推出新的塵埃和氣體殼層。這些殼層上的洞穴據說是由一顆第三顆在軌道上的恆星造成的。這場恆星的塵埃舞蹈可能會持續數十萬年,直到其中一顆巨型恆星用完核能,爆炸成超新星並伴隨著伽瑪射線的閃現!
原文:
What created this unusual space sculpture? Stars. This unusual system of swirls and shells, known as Apep, was observed in unprecedented detail by NASA’s James Webb Space Telescope in infrared light in 2024. Observations indicate that the unusual shape originates from two massive Wolf-Rayet stars orbiting each other every 190 years with each close passes causing a new shell of dust and gas to be expelled. Holes in these shells are thought to be caused by a third orbiting star. This stellar dust dance will likely continue for hundreds of thousands of years, possibly ending only when one of the massive stars runs out of internal nuclear fuel and explodes in a supernova punctuated by a burst of gamma-rays. Build your own star system: Astronomy Puzzle of the Day
來源:NASA每日圖片

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