Unclear Engineer's latest activity
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.Making methane fuel on Mars would require more than the CO2 in the atmosphere. It would require water, lots of energy, and substantial...
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UUnclear Engineer replied to the thread The great silence: Just 4 in 10,000 galaxies may host intelligent aliens.Here are some links to Antarctic sub-glacial lakes: https://en.wikipedia.org/wiki/Lake_Vostok...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.The other side of this issue is that we are still trying to figure out if life ever evolved on Mars, and whether there is still some...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.The Sky Crane is really a good idea for delivering an autonomous rover to the surface, because it puts it down gently and right-side-up...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.That is why I am thinking that any really acceptable plan calls for a Mars orbiter where interplanetary StarShips can dock and transfer...
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UUnclear Engineer replied to the thread Boeing's Starliner capsule just landed with no crew aboard. What's next for this astronaut taxi?.I just saw an article that says there were additional problems detected in the reentry leg of the mission. From that other space news...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.First, I did not say that it is impossible. I am just expecting a crash landing if he sends a StarShip to Mars in that time frame. As...
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UUnclear Engineer replied to the thread The great silence: Just 4 in 10,000 galaxies may host intelligent aliens.In effect, you re still talking about a "lake" of fresh water, sitting on land above sea level, that has to drain rapidly into the ocean...
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UUnclear Engineer replied to the thread The great silence: Just 4 in 10,000 galaxies may host intelligent aliens.OK, the wiki article says the estimated volume of the ancient Missoula Lake that drained by a catastrophic ice dam break was 2184 cubic...
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UUnclear Engineer replied to the thread NASA's solar sail spacecraft is visible in the night sky. Here's how to see it.Sort of correct. Quibbles about what is a "push" and what is a "pull" in aeronautics. Solar sails are not just pushed in the direction...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.I am not expecting a successful StarShip landing on Mars by a launch in 2026! Maybe he could get a StarShip there in that time frame...
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UUnclear Engineer replied to the thread First contact with aliens could end in colonization and genocide if we don't learn from history.It is not really possible to rule out any sort of interaction. There might even be more than one extraterrestrial species/culture that...
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UUnclear Engineer replied to the thread The great silence: Just 4 in 10,000 galaxies may host intelligent aliens.The projections I have seen for sea level rise due to the total melting of all ice on Greenland is about 25 feet, which is about 7...
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UUnclear Engineer replied to the thread The great silence: Just 4 in 10,000 galaxies may host intelligent aliens.I don't think a raise of 7 meters in global sea level is possible with a single step with the meltwater dam hypothesis. But, small...
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