billslugg's latest activity
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billslugg reacted to Wisetoe's post in the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission with
Like.
Really appreciate your interest to do the mathematics for me. -
billslugg reacted to Wisetoe's post in the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission with Like.
Really appreciate your interest to do the mathematics for me.
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billslugg reacted to Wisetoe's post in the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission with Like.
Really appreciate your interest to do the mathematics for me. Wisetoe
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billslugg reacted to Wisetoe's post in the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission with Like.
Really appreciate your interest to do the mathematics for me.
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billslugg replied to the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission.Yes, a craft in orbit can extend a wire such that it cuts the Earth's magnetic field and generates power. The energy comes from the...
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billslugg reacted to Unclear Engineer's post in the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission with Like.
Bill, As I posted already, my thinking is that you are correct that this would not be a useful design. But, that is just the gut...
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billslugg reacted to Unclear Engineer's post in the thread Japanese satellite will beam solar power to Earth in 2025 with Like.
I agree with Kipi regarding the strategic implications of space based solar. However, the opposite is true for DISTRIBUTED ground based...
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billslugg replied to the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission.Water powered rockets need to haul water up there. The amount of water would be far in excess of what a heat shield weighs. "He's dead...
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It seems so often forgotten that, as the Sun expands, in around 5bn years, the outer planets and their moons will warm up. The H and He...
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billslugg replied to the thread Japanese satellite will beam solar power to Earth in 2025.The congestion will grow until the outcry pushes back. There is heated debate going on right now. I believe the environmental concerns...
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billslugg reacted to Jan Steinman's post in the thread Japanese satellite will beam solar power to Earth in 2025 with Like.
You're confusing power with energy. A kilowatt is a unit of power, or the instantaneous product of force and flow, such as 100 volts...
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billslugg replied to the thread NASA still investigating Orion heat shield issues from Artemis 1 moon mission.Orion crew capsule weighs 8500 kg. Reentry speed is 40,000 km/h or 11,100 m/s. Kinetic energy is thus 1/2 * 8500 * 11,100^2 or 5.2e11...
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billslugg replied to the thread Why didn't Michael Collins take any photograph or footage of space while going over the dark side of the moon?.When I refer to the dark side of the Moon I am thinking relative to the Sun, not the Earth. We can see the dark side every New Moon.
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billslugg replied to the thread NASA's Juno probe captures amazing views of Jupiter's volcanic moon Io (video).https://solar-center.stanford.edu/news/sunwater.html Water on the Sun is a new on me. This article explains that they got water vapor...
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billslugg replied to the thread Olber's Paradox.I wrote about 10,000 words on the trip, it was a great one. It's in a Wordstar file somewhere. Probably on a floppy. I have hard copy...
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