When Andromeda dives into the Milky Way, a trillion new stars will illuminate the night sky above the Earth. According to NASA, the cosmic fusion will lead to a frontal collision of unimaginable proportions. Andromeda will forgive the shape of the Milky Way and our sun is likely to invade another part of the galaxy. Before the comic event unfolds completely, the entire Andromeda will dominate the night view from Earth.
NASA said, "The Milky Way will undergo a major makeover during the encounter, which is expected to take place in four billion years.
"It is likely that the sun will be thrown into a new region of our galaxy, but our Earth and our solar system are not in danger of being destroyed." "Meticulous" investigation by the Hubble Space Telescope.
The orbital observatory measured the movements of Andromeda or M31
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Currently, Andromeda is about 2.5 million light-years or 14,696,563,000,000,000,000 miles away.
The scenario is like a baseball bat watching an oncoming fastball.
Viewed at night, the galaxy is a small and blurred light path that can not be distinguished from a normal star.
But in about 3.75 billion years later, the spiral features of the galaxy and the glow of its star gas become visible. S angmo Tony's son from the Space Telescope Science Institute (STScI) in Baltimore said, "After nearly a century of speculation about the future fate of Andromeda and our Milky Way galaxy, we finally have a clear picture of how events are coming up Billions will evolve from years ago. "
Andromeda falls in the direction of the Milky Way, because both galaxies pull together with their gravitational force.
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Facilitates vast amounts of invisible dark matter between the two galaxies the slow motion collision continues.
NASA said, "The scenario is like a baseball bat watching an oncoming fastball."
"Although Andromeda is approaching us more than 2,000 times faster, it will take four billion years for the strike to begin.
"Computer Simulations Hubble's data suggest that it will take another two billion years after the interaction of the interacting galaxies, until they completely merge under the influence of gravity and transform into a single elliptical galaxy common in the local universe is. "
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Fortunately, there is too much space between individual stars for the cataclysmic fusion to be cataclysmic.  When the galaxies collide, the stars simply pass through each other without ever meeting.
However, the Fusion will affect the orbits of the stars and send them on brand new trajectories.
According to N ASA, this will cause our own solar system to be pushed back to a more distant region of the galaxy.
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NASA News: Stepping view of the incoming Andromeda Galaxy
Then a smaller galaxy named M33 will collide
There is also a small chance that the little M33 will drive in front of Andromeda in the Milky Way.
NASA said, "The universe is expanding and accelerating and there are still collisions between nearby galaxies because they are bound by the gravity of the surrounding dark matter.
"The deep views of the Hubble Space Telescope on the Universe show that such encounters between galaxies in the Earth and the Sun do not the past were more frequent when the universe was smaller. "
Brief Facts on the Andromeda Galaxy
1. Andromeda's official name is M31 or NGC 224.
2. The galaxy is approximately eight times 1.230 billion times the size of our Sun.
. 3 Andromeda is Earth's next galactic neighbor and the galaxy is approaching.
. 4 The galaxy has at least two spiral arms around its galactic core.
. 5 Andromeda is the largest galaxy in the so-called local cluster, but the Milky Way is considered heavier.
Brief facts about the Milky Way:
1. Our solar system is located in the Orion Arm or Orion Spur of the Milky Way between the Sagittarius and Perseus Arms.
. 2 A supermassive black hole called Sagittarius A * or Sgr A * is located in the heart of the Milky Way.
. 3 Our solar system needs 250 million years to spin around the center of the Milky Way.
. 4 The Milky Way measures about 100,000 light-years in diameter.
. 5 Our home galaxy is a so-called spiral galaxy with four arms.