常見例句雙語例句NASA's Chandra X-ray Observatory captures Sagittarius A*, the galaxy's supermassive black hole.美國宇航侷的錢德勒X射線天文臺(tái)捕捉到銀河系超大質(zhì)量黑洞人馬座A。Animage released by NASA shows Sagittarius A, the supermassive black holeat the centre of the Milky Way Galaxy.美國宇航侷公佈的圖像顯示出人馬座A——銀河系中心特大質(zhì)量黑洞。Every star in the Milky Way revolves around this black hole, named Sagittarius A* (abbreviated "Sgr A*" and pronounced "Sagittarius A-star").銀河系的每顆恒星都以這個(gè)黑洞（名爲(wèi)人馬座A星，簡稱Sgr A*）爲(wèi)中心轉(zhuǎn)動(dòng)。權(quán)威例句He notes it could be part of the Sagittarius stream, a remnant of the Sagittarius dwarf galaxy, long assumed to be one of the building blocks of our own Milky Way.FORBES: Astronomers Confirm Milky Way's Most Distant Stellar Stream 返回 sagittarius a