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by fennecfoxen
1622 days ago
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> So even if your lens was the size of the solar system you'd still be off by a factor of 1000 trying to resolve the dinosaurs. What's the effective size of a gravity lens? You know, the kind where you park a satellite out at 550 AU and image whatever's directly on the opposite side of Sol (or an equivalent distance in proportion to some remote star's gravity). |
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