What Are ORCs? Astronomers Still Don’t Know

ORC是什么?天文学家仍然不知道

Digital illustration of a space-like starry cloudscape resembling an odd radio circle

Digital illustration of a space-like starry cloudscape resembling an odd radio circle

2025-04-18  1315  晦涩
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Objects in newly discovered classes also tend to be faint because, again, bright objects will have already been spotted. This is why finding something completely new is unusual. It’s also why they can be baffling—by definition, we’ve never seen anything like them before.

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