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8 天
NASA韦伯望远镜首次提供了关于海王星外天体的高分辨率光谱数据
跨海王星天体(TNO)是冰冻天体,它们的大小差异很大,有像冥王星和阋神星这样的大型矮行星--直径都在1500英里左右,也有小得多的天体,比如阿罗科斯,直径只有几十英里。 这些遥远的天体绕太阳运行的距离与海王星的轨道相当,甚至远远超过。
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今日热点
Joint Chiefs chair fired
Three killed in shooting
LA mayor removes fire chief
To perform free concert
Pee-wee's Playhouse star dies
Effort to ban DEI blocked
AP sues Trump officials
LA DA opposes new trial
Pepperdine University sues
Trump names 'pardon czar'
To drop immigration case
Judge allows staff removal
ISR delays prisoner release
Recalling 240,000+ cars
PA hospital shooting
TX measles outbreak grows
Hamas frees six hostages
5 found dead in IN home
FBI staff transfer plan
Hawaii gas grill explosion
Warmer weather on the way
‘Deadwood’ actor dies
Coinbase: SEC to drop suit
Trial adjourned indefinitely
Home sales fell in January
Demands productivity report
Legendary soul singer dies
Plans to cut 5,400 jobs
Power steering issue recall
Yankees drop ban on beards
FDA says shortage over
Seeks nearly $40B in fire aid
Frozen shakes recalled
Helicopter crashes in Idaho
Attacker found guilty
Medicare billing probe
2 police officers fatally shot
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