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Bbolide replied to the thread World's 1st wooden satellite arrives at ISS for key orbital test.This is an excellent idea. Great strength-to-weight, lower cost, less pollution. We tend to become so enamored of our latest...
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Bbolide replied to the thread Voyager 1 spacecraft phones home with transmitter that hasn't been used since 1981.Not an issue in the present case. There's no gravitational force between us & the satellite that would have a meaningful effect on...
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Bbolide replied to the thread Debris from satellite breakup threatens other spacecraft, animation shows.The satellite has been in orbit since 2016. There's no justification for assuming that the builder of the satellite is at fault for the...
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Bbolide replied to the thread Saturn gets its 1st confirmed Trojan asteroid — but it might be stolen."Saturn has finally joined its fellow solar system giant planets as the parent of trailing asteroids called "'Trojans.'" Did you mean...
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Bbolide reacted to Witchy's post in the thread The Pluto problem: Is it time to rethink our definition of a planet? with
Like.
There is more than one planet definition currently in use. What this article doesn't say is that only four percent of the IAU voted in... -
Bbolide replied to the thread The Pluto problem: Is it time to rethink our definition of a planet?.A Type I Planet: 1. Is not & never was a star 2. Orbits a star 3. Is massive enough to be within x% of a sphere 4. Constitutes more...
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Bbolide 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 Like.
A coupe of comments: 1. The countries with nuclear weapons have the capabilities and rights under the treaty to produce weapons-grade...
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Bbolide 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.Thanks for that very thorough explanation.
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Bbolide 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 wonder why they choose the lightest possible substance for the propellant. Something heavier should provide more thrust for a given...
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Bbolide 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.The 'proliferation' problem is not by any means limited to non-nuclear states trying to produce nuclear bombs. The stuff still has to be...
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Bbolide reacted to fj.torres's post in the thread Did a NASA telescope detect cosmic 'hot dogs' or Dyson spheres? with Like.
Dyson spheres, Ringworlds, and Halos are all very impractical. The first question is where the mass to build them comes from. Second is...
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Bbolide replied to the thread Did a NASA telescope detect cosmic 'hot dogs' or Dyson spheres?.You commit the fault that you criticize. The article authors never said that their detections were definitely Dyson spheres--and the...
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Bbolide replied to the thread Are we alone? Intelligent aliens may be rare, new study suggests.I suspect that tribalism is built into our DNA, and not only human DNA but far back into evolution. Many animals will fight with...
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Bbolide reacted to Unclear Engineer's post in the thread Are we alone? Intelligent aliens may be rare, new study suggests with Like.
The difference in opinion is whether technological advances are just a matter of time, or if there are physical limits that we know...
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Bbolide reacted to Catastrophe's post in the thread Are we alone? Intelligent aliens may be rare, new study suggests with Like.
Billslugg, would you agree with the time element I mentioned in #15? To me, this is probably even more important than distance. Of...
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