It's possible the trans-Neptunian object, dubbed 2017 OF201, is large enough to qualify as a dwarf planet, making it an "extreme 'cousin' of Pluto," according to Princeton postdoc Sihao Cheng, who ...
In a discovery that has left scientists baffled, astronomers have identified a mysterious object in deep space that emits regular bursts of radio waves and X-rays, unlike anything previously observed.
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