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Ask Science@lemmy.worldEnglish · 1 month ago

Is it possible that a new star could appear in the sky because a star really, really far away's light only just reached us?

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Is it possible that a new star could appear in the sky because a star really, really far away's light only just reached us?

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Ask Science@lemmy.worldEnglish · 1 month ago

Has it already happened?

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1 month ago
I think “barely visible” isn’t going to be a lightbulb turning on moment.

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