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All about JUPITER...

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Jupiter is the largest planet in the solar system. It is approximately 143,000 kilometers (about 89,000 miles) wide at its equator. Jupiter is so large that all of the other planets in the solar system could fit inside it. More than 1,300 Earths would fit inside Jupiter. Jupiter  is the fifth  planet  from the  Sun  and the  largest  in the  Solar System . Jupiter is primarily composed of  hydrogen  with a quarter of its mass being  helium , though helium comprises only about a tenth of the number of molecules. It may also have a rocky core of heavier elements, but like the other giant planets, Jupiter lacks a well-defined solid surface. Surrounding Jupiter is a faint  planetary ring  system and a powerful  magnetosphere . Jupiter has at least  69 moons , including the four large  Galilean moons  discovered by  Galileo Galilei  in 1610.  Ganymede , the largest of these, has a d...
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First Indian Woman in Space!!

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Kalpana Chawla   was an American astronaut and the first woman of Indian origin in space. Chawla was born on 17 March 1962, but her official date of birth was altered to 1 July 1961 to allow her to become eligible for the matriculation exam. In 1988, she began working at NASA, where she did  computational fluid dynamics  (CFD) research on  vertical and/or short take-off and landing (V/STOL)  concepts. Her first space mission began on November 19, 1997, as part of the six-astronaut crew that flew the  Space Shuttle Columbia  flight  STS-87 . Chawla was the first Indian-born woman and the second Indian person to fly in space, following astronaut  Rakesh Sharma  who flew in 1984 on the  Soyuz T-11 . She spoke the following words while traveling in the weightlessness of space, "You are just your intelligence". On her first mission, Chawla traveled over 10.4 million miles (16737177.6 K M) in 252 orbits of the ea...
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Sailing Stones....

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Sailing stones , also known as  sliding rocks ,  walking rocks ,  rolling stones , and  moving rocks , are a  geological phenomenon  where rocks move and inscribe long tracks along a smooth valley floor without human or animal intervention. Instead, rocks move when large ice sheets a few millimeters thick floating in an ephemeral winter pond start to break up during sunny days. These thin floating ice panels, frozen during cold winter nights, are driven by wind and  shove  rocks at up to 5 m/min. Trails of sliding rocks have been observed and studied in various locations, including Little Bonnie Claire Playa in Nevada,and most famously at  Racetrack Playa ,  Death Valley National Park , California, where the number and length of tracks are notable. The Racetrack's stones speckle the playa floor, predominantly in the southern portion. Historical accounts identify some stones around 100 m (300 ft) from shore, yet most o...
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