2 ms·
That's the magic of the L1 Lagrangian point[1]; it takes basically no effort to stay there and it is exactly between the earth and the sun. Now L1 is an unstab
by sobani 7y ago
That's the magic of the L1 Lagrangian point[1]; it takes basically no effort to stay there and it is exactly between the earth and the sun.
Now L1 is an unstable point, so eventually the shades will drift out of position, but I imagine that will take a long time.
[1] https://en.wikipedia.org/wiki/Lagrangian_point https://en.wikipedia.org/wiki/Lagrangian_point