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Posted on 1/4/22 at 5:50 pm to 10 31 1861
quote:
Nasa admits they couldn’t...send a man to the moon right now.
Posted on 1/4/22 at 5:53 pm to 10 31 1861
quote:
Interesting way of coping with the admission they lost the tech and don’t have any way of recreating the necessary tech to send a man to the moon.
Dude, stop. You’re stuck somewhere in your brain and it has closed a loop on you.
Posted on 1/4/22 at 7:11 pm to 10 31 1861
Dude, you are the Dunning-Kruger Effect personified.
Posted on 1/4/22 at 7:16 pm to BrutalBengal
So on a 2D drawing of the L’s it seems you need to be exactly in position. Anyone know how much wiggle room there is in a 3D space out there? Just curious if it gets crowded also depending on how large an area we are talking about, if L2 will have a bunch of dead satellites over time and becomes unusable
This post was edited on 1/4/22 at 7:19 pm
Posted on 1/4/22 at 7:20 pm to flyAU
I can't image it being crowded at all with the orbit so far away.
Posted on 1/4/22 at 7:23 pm to flyAU
quote:
So on a 2D drawing of the L’s it seems you need to be exactly in position. Anyone know how much wiggle room there is in a 3D space out there? Just curious if it gets crowded also depending on how large an area we are talking about, if L2 will have a bunch of dead probes over time
They are just point markers of the gravity wells of the orbiting bodies. They are directly related to their location on the orbit plane. They are not exact because gravity does fluctuate but they absolutely allow you to stay in those locations with minimal fuel burn.
Think of it like this, if you had two earth's right on top of one another, the Lagrange point would be the spot in the sky where both the gravities cancel out and you float between the two planets.
Posted on 1/4/22 at 7:23 pm to LEASTBAY
quote:
can't image it being crowded at all with the orbit so far away.
Just curious if it’s a possibility since it is a unique spot.
Posted on 1/4/22 at 7:26 pm to Boss13
quote:
Boss13
Ahh got it. I guess that answers my question about the sun being blocked if it had to be in that exact position. I guess I don’t quite understand the gravity well side of things since it seems the gravity well would be on the opposite side with the pull of earth and the sun
Posted on 1/4/22 at 7:28 pm to flyAU
quote:
Just curious if it’s a possibility since it is a unique spot
It's a good question. They aren't crowded because there isn't much we would send there. We sent the James Webb Telescope there because it will stay on the far side of the earth in relation to the sun with only minor correction burns. It won't get crowded because it's still a very vast space (10s of millions of cubic miles) and the L2 point is only really need for observatories (like the James Web) at this point.
Posted on 1/4/22 at 7:30 pm to flyAU
quote:
Ahh got it. I guess that answers my question about the sun being blocked if it had to be in that exact position. I guess I don’t quite understand the gravity well side of things since it seems the gravity well would be on the opposite side with the pull of earth and the sun
I'd be lying to you if I told you I had a great grasp of it, I only know the little I know because I studied it for 4 years and have a passive interest in space travel.
Posted on 1/4/22 at 7:31 pm to Boss13
Posted on 1/4/22 at 7:35 pm to flyAU
quote:
Just curious if it gets crowded also depending on how large an area we are talking about, if L2 will have a bunch of dead satellites over time and becomes unusable
Picture space as a flat sheet of rubber. Now, put a big ball on it to represent the sun. Put a smaller ball to represent the earth. They'll both warp and curve the rubber sheet. Most places will curve into one or the other balls and require energy to avoid falling into one of the balls. However, some places will still be pretty flat and be very similar to the top of a hill. In these spots, it doesn't take much energy to stay there as long as you avoid getting too far away from the top and start getting into the steeper sides of the hill. However, it's not perfectly flat, so if you don't spend any energy to stay there, you'll eventually drift away and roll down the hill.
This hilltop idea is analogous to how space is warped by gravity at the Lagrange points. They require far less energy to stay there than most spots, but you will eventually drift away from the spot over time if you don't adjust. They're self clearing.
Posted on 1/4/22 at 7:39 pm to sgallo3
The Webb is definitely a masterful work. Being so big and really not housed it seems it would be vulnerable to micro meteorites.
Posted on 1/4/22 at 7:47 pm to 10 31 1861
quote:
This is a straight up admission to having no idea what to do even if they could.
Are you of the belief that NASA can’t go to the moon now, or also of the belief that we never went? From the other thread it sounds like you don’t think we went.
Posted on 1/4/22 at 7:48 pm to Chrome
real engineering (youtube)
Part of this video breaks down the real concern for the micro-meteorites. How they designed with those in mind.
Part of this video breaks down the real concern for the micro-meteorites. How they designed with those in mind.
Posted on 1/4/22 at 8:09 pm to fightin tigers
quote:
fightin tigers
thank you for that video. trying to watch it but LSU bout to kick off also. I'm sure i can finish at half time
This post was edited on 1/4/22 at 8:10 pm
Posted on 1/4/22 at 8:13 pm to fightin tigers
Posted on 1/4/22 at 8:21 pm to sgallo3
(no message)
This post was edited on 1/4/22 at 8:22 pm
Posted on 1/4/22 at 9:27 pm to TigerstuckinMS
quote:
TigerstuckinMS
Thanks
Can you explain why L2 is where it is? Logic would tell me that L2 should be on the inner side and not the outer. Seems having the sun pull one direction with the earth pulling the other way would make more sense.
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