Weekly Facebook 2021-12-27 (Thu Dec 30 23:31:07 2021)
More Euler/LaGrange points and halo orbits. This is pretty thorough and doesn’t really need much math.
Lagrange Points are special locations in planetary systems where gravitational and rotational forces cancel out. Sometimes we find asteroids or dust clouds lingering near these places. Space missions may use some of these locations for spacecraft as they offer many advantages over orbiting in the Earth directly.
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For a more mathematical derivation of these check out this series: https://www.youtube.com/playlist?list=PLbfY1f0QFa4OI2_zsNuuwI3YCsZluLFZ6
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Wed Dec 29 17:37:11 2021
Weekly Facebook 2021-12-27
Especially nowadays
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Mon Dec 27 08:17:44 2021
Weekly Facebook 2021-12-27
This comes from the nasa.gov website and shows the relative distances of our immediate cosmic neighborhood. Hubble was able to be repaired by a shuttle mission. Once the Webb telescope is in place, no one will be able to service it because it’s further away than the moon.
The L2 point is likely a kind of cosmic garbage patch and I wonder if the telescope has any more local cameras.
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