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The four types of galaxies are spiral, barred spiral, elliptical and irregular. Each group spans large variations in size, number of stars, star density and general configuration. More »

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The Galaxy S3 was one of the top smartphones of its time and utilizes a simple interface that can be programmed through the settings menu. However, before using any of the additional features, make a Google account and s... More »

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To take screen shots on a Galaxy S3, enable the Palm Swipe To Capture option from the Settings of the phone. It's a built-in option in the handset that lets users capture a screen shot by swiping their palm from left to ... More »

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Astronomers classify galaxies by their shape into elliptical, spiral and irregular categories. Each group is further subdivided into more specific types, such as dwarf ellipticals or barred spirals. More »

www.reference.com Science Astronomy Stellar Astronomy

Scientists believe galaxies form in one of two ways: superheated gas collapses upon itself to form huge clumps of stellar material before merging with other clumps to form galaxies, or clumps of superheated gas are the s... More »

www.reference.com Science Astronomy Stellar Astronomy

While the exact number of stars in the universe is unknown, astronomers estimate that there are at least 100 billion stars in each of the 10 trillion galaxies. However, new galaxies are discovered often. More »

www.reference.com Science Astronomy Stellar Astronomy

There are between 30 and 54 known galaxies in the local group to which the Milky Way belongs. Some astronomers include dwarf galaxies in this number. More »

www.reference.com Science Astronomy Stellar Astronomy