User:Arunram/Billboard
Today is September 17, 2024
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[edit]Picture of the Day
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Ganymede is a moon of Jupiter and the largest and most massive satellite in the Solar System. It is the largest Solar System object without a substantial atmosphere and also the only moon in the Solar System with a substantial magnetic field. Like Titan, Saturn's largest moon, it is larger than the planet Mercury but, due to its lower density, has somewhat less surface gravity than Mercury, Io, or the Moon. Ganymede is composed of silicate rock and water in approximately equal proportions. It is a fully differentiated body, with an iron-rich liquid core and an internal ocean. Ganymede orbits Jupiter in roughly seven days and is in a 1:2:4 orbital resonance with Europa and Io. This image, a composite of three photographs taken by the NASA space probe Juno during a flyby in 2021, depicts the northern hemisphere of Ganymede roughly centered around the prime meridian.Photograph credit: NASA / JPL-Caltech / SwRI / MSSS / Kevin M. Gill
Tip of the Day
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Indian activity in Wikipedia
[edit]Collaborations in Wikipedia
[edit]Common themes
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 | Though this project is inactive, you can help with : Roger Faligot (random unreferenced BLP of the day for 16 Sep 2024 - provided by User:AnomieBOT/RandomPage via WP:RANDUNREF). |
National themes
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The current HKCOTW is Yuen Woo-ping . Please help improve it to featured article standard.
Every week, a Hong Kong-related topic, stub or nonexistent article is picked to be the HK Collaboration of the Week. The previous HKCOTW was Kowloon-Canton Railway - see improvements.
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Every week, a lacking Irish topic is picked to be the Irish Collaboration of the Week. |