All the stars we see in the night sky exist in groups called galaxies that travel through space. Our galaxy is called Milky Way. There are millions of stars in the galaxies. Our galaxy looks like a disc with a bulge in the middle. Actually, there are thousands of other galaxies but without a telescope you can't see many
Is it possible to travel to other galaxies? Experts say it is but only in starships and it takes thousands of years. Then when a planet for living is found people will stay there and build new starships to explore the Universe
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