A"ring of fire" galaxy from the early universe has been discovered by astronomers. The galaxy, named R5519, is thought to have formed during a collision with another"victim" galaxy approximately 11 billion years ago—about three billion years after the Big Bang.
Artist’s impression of the ring galaxy. The galaxy formed 11 billion years ago after a collision with another galaxy.According to NASA, about two-thirds of the galaxies we know about are spiral-shaped, such as the Milky Way. Some are elliptical-shaped, while the rest are unusual shapes, including rings. In the nearby Universe, collisional ring galaxies are roughly 10,000 times rarer than spiral galaxies.
In the early universe, however, galaxies were still forming. Spiral galaxies form over billions of years, with almost all massive galaxies having merged with at least one other since the universe was around six billion years old, NASA says. The first galaxies were small and"clumpy," the agency said, with"a lot of star formation occurring in the massive knots."the ring galaxy was discovered"by accident.
In the early universe, collisional ring galaxies were rare compared with the general galaxy population, she said. Some scientists believe there should be more collisional ring galaxies in the early universe because there would have been more chances of collisions than there are now."We find that is not the case," Yuan said.
Too bad we can't see what it looks like now, 11 billion years later.
and it burned burned burned...
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