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十轮网科技资讯 on MSN
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穿心撞击引发华丽变身,望远镜发现罕见“九环”星系
一场罕见的穿心碰撞事件,造就出带有九道环的奇特星系!哈勃太空望远镜观测发现,约5,000万年前一个矮星系直接穿过Leda 1313424星系中心,导致后者自中心向外形成9个美丽对称环,如今还在持续扩展。 Leda 1313424星系直径约25万光年,尺寸为银河系2.5倍大,外观呈现9圈像戒指的同心环,因此又被昵称为靶心(Bullseye)星系。
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今日热点
Places global staff on leave
Suspends parcels from China
World War II pilot dies
Key Bridge design unveiled
Wins Senate committee vote
Adds surcharge to eggs
Eggs worth $40K stolen
Arrested on multiple charges
Offers to jail US criminals
US begins migrant flights
Senate confirms Bondi as AG
Hyde announces retirement
US job openings fall
Plans to take over Gaza
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Ohio warehouse shooting
Baby elephant at OR Zoo
Neo-Nazi leader convicted
Google drops AI pledge
Spiritual leader dies
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Sued by former nanny
FBI agents sue DOJ
All 67 bodies recovered
To launch streaming service
Mimics moon’s gravity
Offers buyouts to workforce
Neil Jacobs to lead NOAA
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