The nearest galaxy to Earth

It is a galaxy held in place by the gravitational pull of many celestial objects and bodies, including stars, planets, moons, comets, and asteroids. The universe is made up of billions of galaxies. Earth is a small planet in a galaxy known as the Milky Way galaxy, and is just one of billions of galaxies that make up the universe. The spiral Milky Way galaxy is very large, containing 100 to 400 billion stars as one of the stars from the Sun. The nearest galaxies to Earth include Andromeda, Segu 1, Sagittarius dwarf spheroidal, and Canis major dwarf galaxies.

Canis Major Dwarf Galaxy
The nearest galaxy to Earth, located 25,000 light-years from the Solar System, was discovered in 2003 by a team led by Australian and European astronomers. The Canis Major Dwarf Galaxy and the Milky Way galaxy belong to a group of more than 20 galaxies that form a group of native galaxies. Compared to the Milky Way galaxy, the Canis Major dwarf has only about one billion stars, while the Milky Way galaxy contains more than a billion stars. The highest percentage of stars in the galaxy are red giant stars. The Canis Major Dwarf Galaxy is often referred to as a satellite galaxy of the Milky Way.

Segu 1 is the second closest galaxy to Earth. The galaxy is about 75,000 light-years from the Sun. It was discovered in 2006 by researchers. A dwarf galaxy is smaller than the Milky Way galaxy. The Sego 1 galaxy contains mainly dark matter and about 1000 scattered stars. Scientists say Segu 1 is the darkest galaxy ever discovered. The galaxy is said to have the oldest stars and is therefore one of the oldest galaxies.

Sagittarius dwarf spheroidal galaxy
It is the third closest galaxy to Earth, and scientists call it the Sagittarius Dwarf Elliptical Galaxy. The galaxy is loop-shaped and consists of four tail-like clusters. The galaxy was only discovered in 1994. Scientists say the galaxy contains a significant amount of dark matter.

Andromeda Galaxy
The Andromeda Galaxy is the closest galaxy to Earth. It was discovered 2.5 million light-years from our solar system. Since 1612, the Andromeda galaxy has been discovered by astronomers, but it is thought to be part of the Milky Way. In 1920, American astronomer Edwin Powell confirmed that the Andromeda Galaxy was separated from Earth’s Milky Way galaxy. The Andromeda Galaxy is so large that it can be seen with the naked eye from Earth. The Andromeda Galaxy shares many features with the Milky Way galaxy, including its spiral pattern. Researchers estimate that the Milky Way and Andromeda will collide in the next 4.5 billion years to form a giant galaxy.

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