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Hevach replied to the thread Stage 1 Reaching Escape Velocity And Returning.They are quite brilliant. They have a much flatter performance curve with ambient pressure, so a single engine can perform viably at... -
Hevach replied to the thread Stage 1 Reaching Escape Velocity And Returning.SSTO (single stage to orbit) has been a dream for decades. It's been a pipe dream, so far the tyranny of the rocket equation has killed...
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Hevach replied to the thread Questions about the SpaceX launch of 24th of March?.As I said, there's not really stealth in space. We do see payloads release secondary payloads either into co-orbit or into distinct...
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Hevach replied to the thread Questions about the SpaceX launch of 24th of March?.https://www.n2yo.com/satellite/?s=63350 COSPAR ID is 2025-060A, NORAD ID 63350. 1019.1x1206.5 km orbit at inclination 63.4, 107.4...
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Hevach replied to the thread NASA switches off Voyager instruments to extend life of the two interstellar spacecraft 'Every day could be our last..Making the RTGs bigger wouldn't have helped a whole lot unless the whole probe were made bigger and more robust. A lot of instruments...
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Hevach replied to the thread Question Asteroid impacts?.This isn't necessarily better. The mass and thermal energy is still released into the atmosphere. Tunguska is an example of an object...
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Question Does the Universe exist as a reality that is independent of observers?
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