Top 10 Milky Way

  1. The name “milky” is derived from the Greek word “Galaxias” and it is used to describe its appearance as a dim glowing band which arches across the night sky – making individual stars indistinguishable to the naked eye.

  2. It Has a Halo, but You Can’t Directly See It Scientists believe that 90% of our galaxy’s mass consists of dark matter, which gives it a mysterious halo. That means that all of the “luminous matter” – i.e. that which we can see with the naked eye or a telescopes

    – makes up less than 10% of the mass of the Milky Way.

  3. The Milky Way wasn’t always as it is today – a beautiful, warped spiral. It became its current size and shape by eating up other galaxies, and is still doing so today. In fact, theCanis Major Dwarf Galaxy is the closest galaxy to the Milky Way because its stars are currently being added to the Milky Way’s disk. And our galaxy has consumed others in its long history, such as the Sagittarius Dwarf Galaxy.

  4. Every Picture You’ve Seen of the Milky Way is not real; we can’t take a picture of the Milky Way from above. This is due to the fact that we are inside the galactic disk, about 26,000 light years from the galactic center. It would be like trying to take a picture of your own house from the inside. This means that any of the beautiful pictures you’ve ever seen of a spiral galaxy that is supposedly the Milky Way is either a picture of another spiral galaxy, or the rendering of a talented artist.

  5. The oldest star in the Galaxy is HD 140283, also known as the Methuselah star, and it is at least 13.6 billion years old.

  6. The Milky Way as a whole is moving through space at a rate of approximately 600 km per second and will collide with the Andromeda Galaxyin around 3.75 billion years

  7. NASAsays we’re roughly 165 quadrillion miles from the galaxy’s black hole, for example — which demonstrates just how darn big the galaxy is. The numbers are pretty astounding. NASA estimates the galaxy at 100,000 light-years across

  8. Right now, the Milky Way and another spiral galaxy called Andromeda are moving toward each other. They are approaching each other at about 75 miles (120 kilometers) per second.

  9. When a person sees the Milky Way at night, they are seeing only about 0.0000025% of the galaxy’s hundreds of billions of stars.

  10. Visible light, the light we can see, is only one form of energy given off by stars and other objects in the Milky Way. Our galaxy also consists of other types of energy, such as infrared light, radio waves, gamma rays, dark matter, and X-rays



  1. Up until 1920, most astronomers believed that all of the stars in the universe were contained inside the Milky Way. Following this Great Debate, observations by Edwin Hubble proved that the Milky Way is in fact just one of billions of galaxies in the universe.

  2. The Milky Way and the Andromeda Galaxy are part of a binary system of giant spiral galaxies belonging to a group of 50 closely bound galaxies called the Local Group.

  3. In China, the Milky Way is called “The Silver River.” In ancient Chinese myth, the river was placed in the heavens by the gods trying to separate a weaver who made their clothes and the herdsman who loved her.

  4. Scientists believe that the Milky Way is consuming a small galaxy called the Sagittarius Dwarf Galaxy.

  5. The Milky Way’s central core contains a supermassive black hole. It is commonly referred to as Sagittarius A*. It contains the mass of about 4.3 million Suns.

  6. In Sanskrit, the Milky Way is called Akash Ganga, or “Ganges of the heavens Up to about 100 years ago, astronomers believed the Milky Way was the entire universe    Until 1924, the Milky Way was the only known galaxy.

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Post Author: MaximumFacts Team

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