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NASA selects GIMLI proposal to investigate whether Marius lunar pit opens into a larger cave

NASA has selected a Planetary Science Institute-led proposal to examine whether an underground cave extends beyond the opening of the Marius lunar pit. The investigation will assess a feature that could be relevant to identifying future lunar base sites; the available report does not specify the mission’s timeline or methods.

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Could NASA push the SR-71 Blackbird beyond Mach 3 with new engines?

The SR-71’s airframe may be capable of speeds beyond its established performance, prompting speculation that NASA could explore higher-speed flight with new engines. The article frames Mach 4 as a possibility, but provides no specific engine plan or confirmed effort to modify the aircraft.

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