MadSci Network: Astronomy

Subject: What are parabolic mirrors?

Date: Thu Feb 4 06:34:16 1999
Posted by Rianna Moss
Grade level: 10-12
School: Albany Senior High
City: Albany State/Province: Western Australia
Country: Australia
Area of science: Astronomy
ID: 918131656.As

In large telescopes the makers use parabolic mirrors as 
reflectors. Why do astronomers find this type of mirror better 
than regular concave mirrors?
Thanks so much!

Re: What are parabolic mirrors?

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