A free videogame game — play it in your browser, no install. A quiet 1930 browser game about hunting for a new planet with a blink comparator. You play Clyde Tombaugh at Lowell Observatory.
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Controls: Dome: drag or arrow keys / WASD to turn the telescope, click a field to…
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Open the live demo Source on GitHubMars Hill, 1929. You are the Kansas farm boy Lowell Observatory just hired. The ninth planet is a faint point that moves between two glass plates, and nobody knows where it is. Find it the way Clyde Tombaugh did.
Play: · no install, runs in the browser.
guide for an hour. The real sky of 1929–30: 2 000 catalogue stars, planets, the Moon, the Milky Way.
a pencil ring and a guess: asteroid, comet, variable, flaw, or Planet X.
The footer follows your current field through those steps.
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