Juan Carlos Muñoz on Nostr: Pew pew! Here's a pic of the #MilkyWay I took a few years ago from ESO's Paranal ...
Pew pew! Here's a pic of the #MilkyWay I took a few years ago from ESO's Paranal Observatory in #Chile. The four yellow lines are lasers from the Very Large Telescope –– we use them to excite sodium atoms high up in the atmosphere, creating artificial "stars" that allow us to correct atmospheric turbulence and get very sharp images.
Occasionally we also use the lasers to play with cats on other planets 🐱
#astrodon #astronomy #astrophotography #space #universe #scicomm
Published at
2023-05-18 15:23:35Event JSON
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