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What is vega? A- Fusing hydrogen at its core B-It has lost its outer shell and only retained hot core that is slowly losing its brightness C- it’s temperature has decreased but it shining brighter than before

Sagot :

Answer: It is fusing hydrogen at its core.

Explanation: Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. About 90 percent of the stars in the universe, including the sun, are main sequence stars.