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Clyde Tombaugh ALS

Currency:USD Category:Collectibles Start Price:100.00 USD Estimated At:NA
Clyde Tombaugh ALS
“Winners will be notified after the auction ends and once all bids have been processed to determine the winner for each lot”
Clyde Tombaugh autograph letter signed, dated 16 October 1981. Letter reads in part: ''…I imagine there may be some surprises when a space craft gets some close-up pictures of Pluto. Infra-red spectroscopy has revealed (in 1977) that the surface of Pluto is covered with methane frost. It is the only planet cold enough for methane to exist in the solid state…'' Signed boldly ''Clyde W. Tombaugh''. Letter measures 8.5'' x 11'' on one page, with folds from mailing, else fine condition. Includes original postmarked envelope.