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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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Specifications for the Samsung Galaxy Note 3 include a Super AMOLED 5.7 inch touchscreen, Micro-SIM port and battery life of up to 420 hours in standby mode. It also comes with a 13 Megapixel back camera, 16 Gigabytes of... 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

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

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

The primary difference between lenticular and spiral galaxies lies in the presence or absence of spiral arms around the galaxy's central bulge. According to the Sloan Digital Sky Survey, spiral galaxies have two distinct... More »

www.reference.com Science Astronomy Stellar Astronomy