Juan Carlos Muñoz on Nostr: 1/2 I still struggle getting used to the fact that the smallest mirrors of the ...

1/2 I still struggle getting used to the fact that the smallest mirrors of the Extremely Large Telescope are similar in size to the *primary* mirrors of many current telescopes!

The M5 – the fifth mirror in the optical path – has reached a key milestone: its blank, the piece that will be later polished, has been finalised.

#astrodon #astronomy #engineering #technology

https://youtu.be/xI1IBpTHVX8?si=RekXIDlOG30h4PQU