How James Webb Orbits "Nothing"
1,965,451
Published 2022-01-28
The James Webb Space Telescope is now in orbit around L2! But there's nothing there, so how can it orbit when there's nothing there? We'll show how JWST maintains its orbit around the second Lagrangian Point of the Sun and Earth.
00:00 Webb Enters Orbit
02:25 Magellan TV
02:59 Lagrangian Points Explained
04:29 Station Keeping at L2
07:00 How Webb Orbits L2
10:22 Webb's Actual Orbit and Trajectory
12:13 Maintaining Webb's Orbit
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All Comments (21)
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🔴 ERRATA: At 9:55 , F_c should just equal F_⊕y. DUH! Meanwhile, Webb's 18 mirror segments are being aligned to form a single monolithic mirror. Here's how they're doing it: https://youtu.be/-cUp0AEwV2w
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A little over a hundred years ago, humanity hadn’t yet made functioning airplanes. Now we have telescopes flying through space taking visible and infrared pictures and sending them back to earth. This is absolutely amazing!
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The fact that this is so oversimplified and still pretty hard to grasp is scary. Such things are a major feat of human intelligence and hard work
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I can only imagine how excited the team was to nail the burns so efficiently, and reward themselves with an extra decade with this amazing tool. All their hard work is really going to pay off for all of us!
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I've seen a lot of videos explaining JWST's orbit. This one is by far the most clear and easy to understand, and with great detail as well. Thank you!
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6:27 "JWST could use nuclear power, but that's expensive and hard to do." Admit it, that's a pretty funny thing to say in a video about the JWST.
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I’m still in awe that scientists can figure out all of these computations, and get Webb to work as planned (after all of the computer simulations and rigorous testing) Seriously amazing! Thanks for the video to help explain all of this. I’ve been wondering how that L2 orbit works since seeing the animations.
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"Until next time.. stay curious my friend." That line comes across so genuine each time. I'm glad I found your channel, every video is so full of detail with a clear explanation. Thank you.
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You've done a fantastic job simplifying a complex topic into a digestible topic! I'm not an astrophysicist, and really appreciate the effort put into this. I've been wondering it offhand for months now.
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Your explanations simply cannot get any better. Crystal clear and informative
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Absolutely the best explanation I've heard about Webb's very complicated and complex orbit.
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That "stay curious my friend" at the end felt so genuine, thanks for the great explanation
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I like that you're telling us that these are still simplified calculation. It seems like the real thing is WAY more complicated than what can be explained in one video.
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Im pretty well educated and have a doctorate. Watching videos like these is VERY humbling. The scientist and engineers that figure this stuff out are the true Rockstars of our society. 💙
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After several weeks of struggle, I finally understood how objects behave at the L2 point. Thanks a lot sir. You are simply amazing.
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I like how this explanation is quite within the grasp of students who are perhaps just in their first or second year of physics in college. While I haven't taken a physics or math class in more than 10 years, i'm happy that I (kind of) can follow what you're saying.
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My jaw dropped at how good that explanation was (based on how well and easily I was able to understand) Hats off !
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At last! I've been waiting for someone to explain this. It's so weird seeing the animation of Webb orbiting nothing. Thank you!
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Amazing minds who made this possible. Us Humans need more of this and less of celebrities and “influencers” 😬
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Finally!! An explanation of L2 that I could follow and, for the most part, understand. The analogy of balancing a marble on a saddle was excellent and made things click for me. Many thanks!!
