Giant star

Explore the awe-inspiring world of giant stars and learn about their immense size and luminosity. Get inspired by the beauty and wonder of these celestial behemoths.
Artist’s impression of a red giant star. Credit:NASA/ Walt Feimer Root Chakra Meditation, Star Facts, Supernova Explosion, Binary Star, Giant Star, Red Giant, Star System, Across The Universe, Sistema Solar

Will Earth survive when the sun becomes a red giant?

Since the beginning of human history, people have understood that the sun is a central part of life as we know it. It's importance to countless mythological and cosmological systems across the globe is a testament to this. But as our understand of it matured, we came to learn that the sun was here long before us, and will be here long after we're gone. Having formed roughly 4.6 billion years ago, our sun began its life roughly 40 million years before our Earth had formed.

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What is the biggest star in the Universe?

Look up at the night sky and it is filled with stars. But only a microscopic fraction are visible to the naked eye. In fact, there are estimated to be 100 billion stars in 10,000 billion galaxies in the visible universe. This means that there are roughly 1024 stars out there.