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from Mail Online

The fiery depths of space: Astronomers capture dazzling rainbow nebula swirling round supergiant star

The bright, pinkish-white star at upper left is Orion, known as the 'hunter', is Betelgeuse

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The speckled object depicted here is Callisto, Jupiter’s second largest moon. This image was taken in May 2001 by NASA’s Galileo spacecraft, which studied Jupiter and its moons from 1995 until 2003.

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#Astronomy: #Mercury is the closest planet to the #sun and has a thin atmosphere, no air pressure and an extremely high temperature.

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from Mail Online

Historic images as Messenger sends back first pictures of Mercury's surface from orbit

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NASA Astronaut Charles Conrad Jr. emerging from the Gemini 11 space capsule Atlantic Ocean landing September 15, 1966. Gemini 11 was the ninth crewed Earth-orbiting spacecraft of the Gemini series, carrying astronauts Charles "Pete" Conrad Jr. and Richard Gordon.

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Ganymede... Jupiter's largest moon, and for that matter, it is the largest moon in the Solar System. It is slightly larger than the planet, Mercury. Ganymede orbits Jupiter about once every week.

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Jupiter Moons - Callisto discovered by Galileo Galilei in 1610 using a telescope. It is thought to have oceans of liquid water beneath its crust. about the size of Mercury, is the 3rd largest moon in the solar system. It is more heavily cratered than any other moon in the solar system. Callisto remains as it was when it formed, during the period of intense meteoroid bombardment that the entire solar system experienced

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