GK
THE UNIVERSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All matter and space considered as a whole.
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A cloud of dust and gas
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A group of stars, dust, and gas
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Theory of the origin of the universe
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Detailed explanation-1: -The Short Answer: A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system.
Detailed explanation-2: -Spiral galaxies appear as flat, blue-white disks of stars, gas and dust with yellowish bulges in their centers. These galaxies are divided into two groups: normal spirals and barred spirals.
Detailed explanation-3: -A galaxy is a huge collection of gas, dust, and billions of stars all held together by gravity. All galaxies are made up of these same things. However, they come in many different shapes and sizes.
Detailed explanation-4: -A galaxy is a giant, spinning object made of gas, dust, and stars held together by gravity. Galaxies come in different shapes and sizes and can contain billions of stars.
Detailed explanation-5: -The collective noun for dust is ‘cloud’, ‘layer’ or ‘pile.