what is milky way galaxy
Answers
Answer:
Explanation:
Milky Way Galaxy, large spiral system consisting of several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth.
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Explanation:
The Milky Way is a barred spiral galaxy with an estimated visible diameter between 170,000 and 200,000 light-years (ly).[24][25][26][27] It is estimated to contain 100–400 billion stars[28][29] and at least that number of planets.[30][31] The dark matter halo around the Milky Way may span as much as 2 million light years.[5] The Solar System is located at a radius of about 27,000 light-years from the Galactic Center,[15] on the inner edge of the Orion Arm, one of the spiral-shaped concentrations of gas and dust. The stars in the innermost 10,000 light-years form a bulge and one or more bars that radiate from the bulge. The galactic center is an intense radio source known as Sagittarius A*, a supermassive black hole of 4.100 (± 0.034) million solar masses.