KRAZY KATS

Welcome to Krazy Kats - a friendly informal online community discussing life issues that we care about. Open 24/7 for chat & chill. Come and join us!

    7 Jan - Galileo Galilei Discovers Three of Jupiter's Four Largest Moons

    Kitkat
    Kitkat
    Kitkat

    • Post n°1

    7 Jan - Galileo Galilei Discovers Three of Jupiter's Four Largest Moons Empty 7 Jan - Galileo Galilei Discovers Three of Jupiter's Four Largest Moons

    Post by Kitkat Tue 07 Jan 2020, 14:02

    .
    Galileo Galilei Discovers Three of Jupiter's Four Largest Moons
    7 Jan - Galileo Galilei Discovers Three of Jupiter's Four Largest Moons 170px-Galileo_Galilei01
    Statue of Galileo outside the Uffizi, Florence

    Jupiter has more than 60 moons.  The four largest - Io, Europa, Ganymede, and Callisto - were the first satellites of a planet other than Earth to be detected.  They were discovered by Galileo in 1610, shortly after he invented the telescope, and are therefore known as the Galilean satellites.  On January 7, 1610, Galileo observed near Jupiter what he described at the time as "three fixed stars, totally invisible by their smallness".
    How long did it take Galileo to realise they were not stars?  More...



    1989 - Akihito is sworn in as Emperor of Japan
    His accession to the throne followed the death of his father, Emperor Hirohito, on the same day.

    1979 - The Khmer Rouge government of Cambodia is overthrown
    Vietnamese forces captured the Cambodian capital Phnom Penh that day.

    1927 - The first transatlantic telephone service is established
    A 3-minute call between New York and London cost about $45 USD, which is roughly $550 in today's dollars.

    1785 - Hot air balloon crosses the English Channel
    French inventor Jean-Pierre Blanchard took about 2½ hours to fly from Dover (UK) to Guînes (France).


    alienHistoric Trivia

    A group of magpies is called a tiding, one of ravens an unkindness, one of turtledoves a pitying, one of starlings a murmuration, one of swans a lamentation, one of ponies a string, one of rattlesnakes a rhumba, one of crows a murder, one of cobras a quiver, one of foxes a skulk, one of emus a mob, one of elks a gang, one of cats a clowder, one of flamingoes a pat, and one of bears a sleuth. Groups of geese are named in a peculiar manner; when they are on the ground they are called a "gaggle", but in the air they are called a "skein".
    • Back to top
    « View previous topic · View next topic »

      Current date/time is Fri 17 May 2024, 11:09