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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: spiral galaxy - NGC 3370 - cepheid - distance scale - supernova
Publications with words: spiral galaxy - NGC 3370 - cepheid - distance scale - supernova
See also: