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  2. Exploration of Neptune - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Neptune

    The radio instruments on board found that Neptune's day lasts 16 hours and 6.7 minutes. Neptune's rings had been observed from Earth many years prior to Voyager 2 's visit, but the close inspection revealed that the ring systems were full circle and intact, and a total of four rings were counted. [4] Voyager 2 discovered six new small moons ...

  3. Neptune - Wikipedia

    en.wikipedia.org/wiki/Neptune

    Neptune's mass of 1.0243 × 10 26 kg [8] is intermediate between Earth and the larger gas giants: it is 17 times that of Earth but just 1/19th that of Jupiter. [g] Its gravity at 1 bar is 11.15 m/s 2, 1.14 times the surface gravity of Earth, [71] and surpassed only by Jupiter. [72] Neptune's equatorial radius of 24,764 km [11] is nearly four ...

  4. Hour of Code - Wikipedia

    en.wikipedia.org/?title=Hour_of_Code&redirect=no

    This page was last edited on 8 July 2019, at 11:42 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...

  5. Discovery of Neptune - Wikipedia

    en.wikipedia.org/wiki/Discovery_of_Neptune

    Neptune was discovered just after midnight, [1] after less than an hour of searching and less than 1 degree from the position Le Verrier had predicted, a remarkable match. After two further nights of observations in which its position and movement were verified, Galle replied to Le Verrier with astonishment: "the planet whose place you have ...

  6. Great Dark Spot - Wikipedia

    en.wikipedia.org/wiki/Great_Dark_Spot

    The Great Dark Spot was captured by NASA's Voyager 2 space probe in Neptune's southern hemisphere. The dark, elliptically shaped spot (with initial dimensions of 13,000 × 6,600 km, or 8,100 × 4,100 mi), was about the same size as Earth, and was similar in general appearance to Jupiter's Great Red Spot.

  7. Code.org - Wikipedia

    en.wikipedia.org/wiki/Code.org

    In 2014, Code.org posted a one-hour tutorial to build and customize a Flappy Bird video game using the site's block visual programming language. [ 16 ] [ 17 ] Code.org has also created coding programs revolving around characters from the Disney film Frozen , [ 18 ] in addition to Angry Birds , and Plants vs. Zombies . [ 19 ]

  8. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax. Such program is often the first written by a student of a new programming language, [ 1 ] but such a program can also be used as a sanity check to ensure that the computer software intended to compile or run source ...

  9. Planetary hours - Wikipedia

    en.wikipedia.org/wiki/Planetary_hours

    As each day is divided into 24 hours, the first hour of a day is ruled by the planet three places down in the Chaldean order from the planet ruling the first hour of the preceding day; [2] i.e. a day with its first hour ruled by the Sun ("Sunday") is followed by a day with its first hour ruled by the Moon ("Monday"), followed by Mars ("Tuesday ...