The universe is huge and marvelous. According to NASA, only a pinch of it has been visualized through powerful Telescopes and X-ray technology There are billions of galaxies in the universe. Each galaxy contains billions of stars and nebuli. Many of these galaxies and stars are billions of light years away.
Our own galaxy, the Milky way galaxy is where our solar system is located. It contains billions of stars and our Sun is just one of them, which is a medium dwarf star in comparison with other Gigantic stars. Our nearest neighbor galaxy is the Huge Andromeda galaxy, which is 2.5 million light years away from earth with more than 1 trillion stars. The Andromeda Galaxy is almost twice the size of our Milky way galaxy and is visible as a star on a moonless night.
Milky way galaxy
NASA reported after years of study that the two neighbor galaxies are expected to collide in about 4.5 billion years to form a Gigantic galaxy. Andromeda is approaching the Milky way galaxy at an average speed of 110km/second with the highest and most recent speed being 300km/second. The fate of our solar system and our planet after the collision is not known.
Image: Andromeda galaxy
Source of information;
NASA (National Aeronautics And Space Administration)
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