Not just the news. This is an interesting post where I learned more about the Lagrange points, and why the Ariane rocket deliberately under-boosted the JWST a b

Not just the news. This is an interesting post where I learned more about the Lagrange points, and why the Ariane rocket deliberately under-boosted the JWST a bit. (If it had over-boosted, the JWST would have had to turn 180° for a retro burn and point its sensitive instruments toward the Sun!)