The duel between the galaxies, 22 million light-years from Earth, resembles a violent encounter in the Milky Way's distant past that could have shaped it.
This consumption of a smaller galaxy by a larger one could be similar to an event that astrophysicists suspect happened in the history of our galaxy, which has a similar spiral shape to NGC 7753, when it was less than 5 billion years old.
The form that the Milky Way takes today could have been influenced by an encounter with a smaller galaxy, Gaia-Enceladus, and ours, in which the more diminutive galaxy was shredded and consumed.suggests that this violent encounter took place around 10 billion years ago, triggering a burst of rapid star formation about 4 billion years later that gave rise to the final segment of the Milky Way.
This probably isn't the only galactic collision that the Milky Way has undergone, and it certainly won't be the last. Our galaxy and its nearest cosmic neighbor Andromeda are currently on a collision course.says that the Milky Way will be majorly reordered and that the portion of our galaxy containing the sun and our planet could be flung into an entirely different region.
A diagram of the potential impact between the Milky Way and Andromeda in 4 billion years that could majorly reshape our galaxy.These kinds of galactic collisions are not uncommon in the universe and researchers believe that they can play an important role in cosmic evolution. Galaxies with spiral arms like the Milky Way and NGC 7753 could have obtained those features through collisions with other galaxies.
A collision between galaxies redistributes gas and dust, often creating massive clouds of gas, which has the effect of triggering bursts o
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