The Last Year of Cassini

After over 12 years studying Saturn, NASA’s Cassini spacecraft begins its intrepid finale: a yearlong two-part mission. Before we reach the end of Cassini’s voyage in September 2017, the spacecraft is scheduled to complete two missions: The F-ring orbits and the Grand Finale. The F Ring Orbits  Cassini will venture …

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Inside Our Solar System: Planet Mercury

Surface:  The first planet from the Sun, Mercury’s small size (4,879 kilometers in diameter- the smallest planet in the Solar System) deceptively hides its extreme nature.  Surface temperatures can reach a scorching 800 degrees Fahrenheit (430 degrees Celsius) during the day, only to drop 1,000 degrees Fahrenheit to a nighttime …

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Evidence of Mysterious Planet Nine

Astronomy textbooks may have to be written again to include nine planets as Planet Nine emerges to be a near truth. Through mathematical modeling and computer simulations, researchers at Caltech believe a ninth planet orbits 20 times further away from the sun than Neptune, allowing for an orbital period of …

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