From the August 2009 issue

I read somewhere that mercury is being used to make liquid-mirror telescopes. What are the advantages of collecting light this way?

Ron Goedert, Bethel Park, Pennsylvania
By | Published: August 21, 2009 | Last updated on May 18, 2023

Gemini Sparkle

Key Takeaways:

  • A significant benefit of liquid-mirror telescopes is their comparatively lower cost when contrasted with conventional telescopes utilizing glass mirrors.
Key takeaways sponsored by The Space Store
The main advantage of a liquid-mirror telescope is its low cost compared to a conventional telescope with a glass mirror.

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