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  1. Robert McNees (mcnees@mastodon.social)'s status on Saturday, 18-Feb-2023 19:45:07 UTC Robert McNees Robert McNees

    Clyde Tombaugh discovered Pluto #OTD in 1930, while comparing photographic plates taken the previous month.

    The name Pluto was suggested by 11 year old Venetia Burney.

    Here’s a gif blink comparator of Tombaugh’s original plates!
    (Gif made by Tom Ruen on Twitter)

    In conversation Saturday, 18-Feb-2023 19:45:07 UTC from mastodon.social permalink
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Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.

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