The Almanac

March 13

2 things science and human progress accomplished on this date.

  1. 1781

    A new planet doubles the solar system

    From the garden of his house in Bath, England, William Herschel spotted a faint object through his homemade telescope that turned out to be Uranus, the first planet found since ancient times. In a single night he roughly doubled the known reach of the solar system.

    Source: Wikipedia

  2. 1930

    Pluto is found at the edge of the solar system

    Lowell Observatory announced that Clyde Tombaugh, a young self-taught astronomer, had found a distant new world beyond Neptune by comparing photographic plates night after night. Named Pluto, it was the most far-flung object then known in the Sun's family.

    Source: Wikipedia

Browse every day in The Almanac →

The next breakthrough is happening now.

We send you the day's real progress every morning: the discoveries, the quiet wins, the proof it's still happening. Free, forever.