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U
Unclear Engineer
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Yesterday at 4:50 PM
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U
Unclear Engineer
replied to the thread
Across the universe, dark matter annihilation could be warming up dead stars
.
There certainly is a lot of speculation in this hypothesis. But, why would dark matter annihilation necessarily produce heat in...
Yesterday at 11:04 AM
U
Unclear Engineer
replied to the thread
Why is it so hard to send humans back to the moon?
.
I do not disagree that robotics will be used to increase cost effectiveness in transporting stuff to the Moon. I do disagree that...
Wednesday at 8:22 AM
U
Unclear Engineer
reacted to
bolide's post
in the thread
Japanese satellite will beam solar power to Earth in 2025
with
Like
.
There's enough solar energy hitting Earth now. We don't need a hugely expensive and polluting system to just harvest a bit more of it...
Wednesday at 8:11 AM
U
Unclear Engineer
replied to the thread
Are we prepared for Chinese preeminence on the moon and Mars? (op-ed)
.
OK, so the Earth - Moon L4 and L5 points are about as far from Earth as the Moon. The advantage of going there and leaving there...
Tuesday at 4:40 PM
U
Unclear Engineer
replied to the thread
Are we prepared for Chinese preeminence on the moon and Mars? (op-ed)
.
Atlan0001, there are L4 and L5 orbits for different 3 body problems. One is for the Earth and the Moon with a light-weight object in...
Tuesday at 2:02 PM
U
Unclear Engineer
replied to the thread
Are we prepared for Chinese preeminence on the moon and Mars? (op-ed)
.
Atlan0001, are you talking about the L4 and L5 points in the Moon's orbit around the Earth, or in the Earth's orbit around the Sun?
Tuesday at 1:18 PM
U
Unclear Engineer
replied to the thread
Why is it so hard to send humans back to the moon?
.
Motie, FYI, the link you posted has a major error in its calculation of "mission success probability". The error is that it assumes...
Tuesday at 7:31 AM
U
Unclear Engineer
replied to the thread
Are we prepared for Chinese preeminence on the moon and Mars? (op-ed)
.
Surak, Your hope for a cooperative China does not look like a good bet, considering the same approach was tried with Russia and did not...
Tuesday at 7:10 AM
U
Unclear Engineer
replied to the thread
Why is it so hard to send humans back to the moon?
.
AI can become really good at performing really well defined tasks, if it is programmed well enough. But, it has been a total bust at...
Monday at 10:14 PM
U
Unclear Engineer
replied to the thread
Why is it so hard to send humans back to the moon?
.
My reading of the news about the robotic missions to both the Moon and Mars is that they have very limited capabilities, compared to...
Monday at 10:11 PM
U
Unclear Engineer
replied to the thread
Why is it so hard to send humans back to the moon?
.
Bill, astronauts managed soft landings on the Moon 6 times out of 6 tries. Bots are less than 50% if I remember the numbers correctly...
Monday at 7:30 PM
U
Unclear Engineer
replied to the thread
Cosmic fountain is polluting intergalactic space with 50 million suns' worth of material
.
Why is this described as "pollution" of inter-galactic space? Maybe it would be better termed as "fertilization" if the rest of the...
Monday at 5:49 PM
U
Unclear Engineer
replied to the thread
Are we prepared for Chinese preeminence on the moon and Mars? (op-ed)
.
Speaking of Orwellian conditions, I think Starlink's satellite to unmodified cell phone capabilities will provide the tool to prevent...
Monday at 8:46 AM
U
Unclear Engineer
replied to the thread
Are we prepared for Chinese preeminence on the moon and Mars? (op-ed)
.
I don't think we have actually seen either lunar lander design, yet. We are just seeing "artists' conceptions" drawn to provide eye...
Monday at 8:36 AM
U
Unclear Engineer
replied to the thread
NASA still investigating Orion heat shield issues from Artemis 1 moon mission
.
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...
Sunday at 7:06 PM
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