Astronomy Stack Exchange is a question and answer site for astronomers and astrophysicists. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top
Astronomy

Explore our questions

Ask Question
more tags
Active 3 Bountied Hot Week Month
1 vote
1 answer
62 views

Which mobile/computer application can help me understand celestial coordinate systems better?

Walucas
  • 205
4 votes
1 answer
60 views

How to polar align equatorial mount if I see only small part of sky at south-east?

Walucas
  • 205
0 votes
0 answers
18 views

Recommendation for green laser pointer for 6" Orion SkyQuest?

Doug Meister
  • 21
3 votes
1 answer
41 views

The Interpretation of Uncertainty Map of NEO in Minor Planet Center page

astrosnapper
  • 7,374
6 votes
6 answers
8k views

Can a very powerful telescope show a person standing on the moon from the side rather than from directly overhead?

Russell McMahon
  • 131
18 votes
3 answers
5k views

Why are almost all modern telescopes reflectors?

Andy Burns
  • 111
5 votes
0 answers
155 views

What are the deciding optical factors between a refractive and reflective space telescope optics as a function of aperture? (visible light)

uhoh
  • 30.7k
2 votes
1 answer
62 views

Does an umbrella reflector telescope exist?

Justin T
  • 2,766
3 votes
0 answers
46 views

Are magnetic vortices capable of providing magnetic lensing when observed away from the poles

planetmaker
  • 12.8k
4 votes
0 answers
108 views

Would it be possible to create a telescope from a hanging reflective cloth?

2080
  • 970
4 votes
1 answer
252 views

General process of calculating what a telescope's diffraction spikes would look like?

CommunityBot
  • 1
0 votes
1 answer
205 views

How to make a 65 cm lens with a 20 cm hole in it for a Hamiltonian telescope?

CommunityBot
  • 1
5 votes
4 answers
3k views

Dish antenna as parabolic mirror for OPTICAL telescope?

Thomas Neely
  • 1
1 vote
1 answer
42 views

Astrometry and Geometric Distortions

uhoh
  • 30.7k
Browse more Questions

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.