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NASA’s Astronomy Picture Of The Day: Hubble's Jupiter And The Amazing Shrinking Great Red Spot

NASA’s Astronomy Picture Of The Day: Hubble’s Jupiter And The Amazing Shrinking Great Red Spot

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Great spotted woodpecker. About blackbird-sized and striking black-and-white. It has a very distinctive bouncing flight and spends most of its time clinging to tree trunks and branches, often trying to hide on the side away from the observer. Its presence is often announced by its loud call or by its distinctive spring 'drumming' display. The male has a distinctive red patch on the back of the head and young birds have a red crown.

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Jupiter's Great Red Spot. The Great Red Spot is a great anti-cyclonic (high pressure) storm akin to a hurricane on Earth, but it is enormous (three Earths would fit within its boundaries) and it has persisted for at least the 400 years that humans have observed it through telescopes. Since it is anti-cyclonic in Jupiter's Southern hemisphere, the rotation is counterclockwise, with a period of about 6 days. (A hurricane in Earth's Southern hemisphere rotates clockwise.)

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NASA’s Juno Spacecraft will arrive at Jupiter in the next few day after nearly five years in space. While it’s purpose is primarily to study Jupiter’s origins, interior structure, deep atmosphere and magnetosphere, it’s worth remembering Jupiter is also host to the largest and some of the most interesting moons in the solar system. Lets …

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Jupiter--it's giant "eye" storm is shrinking. Jupiter's most prominent feature (besides its size) will eventually disappear

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