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MMeteoric Marmot replied to the thread The US is now at risk of losing to China in the race to send people back to the Moon’s surface.I would agree with you if it was yet another race to be the first there and nothing else, but that's not the case this time. Both...
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MMeteoric Marmot replied to the thread Explore Jupiter's icy ocean moon Europa in NASA virtual tour (photos).Wondering if the "smudge" on the left side of the second image is just a post-processing artefact or if it is a real surface feature...
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MMeteoric Marmot replied to the thread Voyager 1 spacecraft phones home with transmitter that hasn't been used since 1981.All gravity wells warp spacetime, but planets are so small (relatively speaking) that I assume that their effect is minor to negligible...
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MMeteoric Marmot replied to the thread Breakthrough coming? Iceland could get solar power from space in 2030.There are several downsides over the beamed microwave approach: 1. Clouds block visible light but not microwaves 2. Solar panels are...
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MMeteoric Marmot reacted to Unclear Engineer's post in the thread Nuclear rockets could travel to Mars in half the time − but designing the reactors that would power them isn't easy with
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A coupe of comments: 1. The countries with nuclear weapons have the capabilities and rights under the treaty to produce weapons-grade... -
MMeteoric Marmot replied to the thread Pollution from rocket launches and burning satellites could cause the next environmental emergency.Alumina is Al2O3 and its optical properties depend on which crystal structure it forms. One crystal structure is clear and forms...
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MMeteoric Marmot replied to the thread Nuclear rockets could travel to Mars in half the time − but designing the reactors that would power them isn't easy.I believe the issue with enhanced uranium is that it violates weapons treaties and can't be produced. I'm going from memory here, so I...
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MMeteoric Marmot replied to the thread Pollution from rocket launches and burning satellites could cause the next environmental emergency.There is a soot problem any time you burn a hydrocarbon and you can't guarantee 100% clean combustion. Methane is cleaner than more...
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MMeteoric Marmot replied to the thread Pollution from rocket launches and burning satellites could cause the next environmental emergency.The soot issue can be solved simply by requiring that all rockets use liquid hydrogen and oxygen for their propulsion. That then leaves...
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MMeteoric Marmot replied to the thread Blue Origin to debut 2nd human-rated New Shepard rocket on Oct. 7 launch (photo).No comments here -- as appropriate. Blue Origin continues to be successful at failing while SpaceX leaves them enveloped in a cloud of...
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MMeteoric Marmot replied to the thread FAA requires investigation of anomaly on SpaceX's Crew-9 astronaut launch.The FAA is unlikely to cut SpaceX any slack as long as Musk is slagging them at every opportunity. To do so would imply that his rants...
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MMeteoric Marmot replied to the thread The best 50s sci-fi movies.2 of these available for free on Tubi: It Came From Outer Space https://tubitv.com/movies/100013635/it-came-from-outer-space The Thing...
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MMeteoric Marmot replied to the thread Japanese company to deorbit big hunk of space junk by 2029.These companies are going about it all wrong. What they need to do is replicate Mega Maid from the Spaceballs universe. :)
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