Questions tagged [e-elt]

Questions about the upcoming European Extremely Large Telescope.

Filter by
Sorted by
Tagged with
5
votes
1answer
594 views

What two "little observatories" run by a university in Chile and "by Germans" are near the future site of the Extremely Large Observatory?

Brady Haran is known for the Numberphile and Periodic Table of Videos YouTube channels but also does Deep Sky Videos. In the video for the Extremely Large Telescope Haran stands at the site of the ...
16
votes
3answers
5k views

Can large scientific telescopes observe the Moon without being damaged?

When I look at the full Moon through my 10cm telescope, it is so bright that it hurts. Can large scientific telescopes observe the moon at all? Does that require special protection equipment? Or ...
3
votes
1answer
324 views

Will the E-ELT use Adaptive Optics at visible wavelengths?

In this recent BBC article I read that the European Extremely Large Telescope or E-ELT is in final design and is planned to be on line by 2024, and that (of course) it will rely heavily on adaptive ...
9
votes
1answer
341 views

What is a quaternary mirror and why does the E-ELT need one?

In this recent BBC article I read the one-sentence paragraph: "Development on the mirrors - in particular, a very complex quaternary mirror - continues apace." and became interested in the ...