1906: On 4 February 1906, Clyde W. Tombaugh was born.
Tombaugh was an American astronomer who discovered the planet Pluto in 1930. It was the only planet discovered in the twentieth century, after a systematic search instigated by the predictions of other astronomers.
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Telli meie uudiskiri, et saada uusimad uudised, missioonide värskendused ja eksklusiivsed ülevaated otse oma postkasti. Ole esimeste seas, kes saab teada meie tulevastest projektidest ja läbimurretest.