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Yes, that is correct. The
May 8, 2007 by Spirit (not verified), 2 years 28 weeks ago
Comment id: 23398
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Yes, that is correct. The giant supernova that recently took place happened in a galaxy apx. 240 million light years away, so the event actually happened about 240 million years ago. Same with Eta Carinae....it's apx. 7500 light years away so you are correct that if we observe that it goes super nova this year it would have actually taken place 7500 years ago, give or take :)