Solar System

Discoverer of solar system

Discoverer of solar system


Image copyright Neil James Cook / Uni Hertfordshire Astronomers have discovered the largest known solar system, consisting of a large planet that takes nearly a million years to orbit its star. The gas giant is one trillion kilometres away, making its orbit 140 times wider than Pluto s path around our Sun. Only a handful of extremely wide pairs of this kind have been found…


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History of solar system

History of solar system


Here is a brief outline of the current theory of the events in the early history of the solar system: A cloud of interstellar gas and/or dust (the solar nebula ) is disturbed and collapses under its own gravity. The disturbance could be, for example, the shock wave from a nearby supernova. As the cloud collapses, it heats up and compresses in the center. It heats enough for…


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What Astronomers?

What Astronomers?


Fifty years ago, in 1966, the Star Trek television series debuted. Given the incredible longevity of the franchise, it seems remarkable that the original television series only lasted three seasons. Each episode famously began with the words “Space: the final frontier.” To me, those thoughts evoke an idea of staring into the night sky and yearning to know what is out there…


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Center Of solar system

Center Of solar system


Image credit - Wiki Everything in the universe attracts everything else in the universe through the force of gravity, and the closer things are, the bigger the pull of gravity becomes. Things that are closer together pull harder on their neighbours, and since all the planets and the sun are in relative proximity to one another, they all pull harder on each other than on stars…


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Galileo solar system

Galileo solar system


Galileo Galilei was born in 1564 in the town of Pisa in central Italy. He received a religious education as a child and by his early adulthood was a devout catholic. At the age of 17 his ambition was to become a priest but was instead encouraged by his father to enroll at the University of Pisa in order to study medicine. Galileo agreed but later switched to mathematics and…


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Galileo discoveries in Astronomy

Galileo discoveries in Astronomy


For astronomy buffs, the arrival of 2009 brings more than just resolutions to eat better or live more frugally. The fledgling year has been designated the International Year of Astronomy (IYA) by the United Nations Educational, Scientific and Cultural Organization (UNESCO) and the International Astronomical Union. The IYA, intended to raise the public profile of astronomy…


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