Why Is Our Galaxy Shaped like a Spiral?
Why Is Our Galaxy Shaped like a Spiral? A galaxy is a huge number of stars grouped together. Our galaxy contains about 1,00,000 million stars. It looks like a disc with...
Read MoreWhy Is Our Galaxy Shaped like a Spiral? A galaxy is a huge number of stars grouped together. Our galaxy contains about 1,00,000 million stars. It looks like a disc with...
Read MoreWhat Is Ultraviolet Radiation? Ultraviolet radiations are electromagnetic rays which are like light rays, but are not visible to the human eye. It is a part of the...
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