Dr. Harry I. Ringermacher
Physicist, Inventor, Researcher, Visionary
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M95_3-21-12_SN2012av
By
Judy Keating
July 26, 2016
Full size is
3908 × 2602
pixels
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M99_5-23-12_Ave32gradXcrp1PS2
M101_9-18-11_SN2011fe_X