Is the brightest object in the universe
quasar illustration (Wikimedia.org/ESO)
Samarinda, IDN Times – There are lots of amazing things in outer space, one of which is quasars. Quasars were first discovered by an astronomer in the 1950s.
Quasars are very bright active galactic nuclei in outer space. These quasars are often known as quasi-star objects. The emission and energy of quasars are obtained from giant black holes that have masses of millions to tens of billions of solar masses.
In addition, quasars also have disks of accretion gas that surround them. What other interesting facts do quasars have? Come on, see!
1. Produces a brighter light than the sun
quasar illustration (Wikimedia.org/NASA)
Quasars in outer space also emit light and has such energy as well sun. However, the light and energy produced by quasars is greater than the light and energy produced by the sun.
Reported by page Star Child NASA, quasars can emit enormous amounts of energy and can emit light up to a trillion times brighter than the sun. Great energy, makes quasars produce bright light too.
Because quasars give off such bright light, they can drown out all the light from other stars in the same galaxy.
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2. The brightest object in space
quasar illustration (Wikimedia.org/ESO)
Not only can they emit brighter light than the sun, quasars are also the brightest objects in outer space. Reported by page Spacequasars are some of the brightest and most distant space objects known to astronomers.
Quasars get energy from very large black holes so that they can produce large amounts of light too. It is the energy from the material in the black hole that makes quasars emit such bright light. The light that belongs to a quasar can even cover the ancient galaxies around it. This is what makes quasars crowned as the brightest objects in outer space.
3. A quasar is not a star
quasar illustration (Wikimedia.org/NASA)
Although quasars can emit light that is even greater than the light emitted by the sun, quasars are not actually stars. you know. Reported by page Nine Planetsa quasar is not a star, but an object that is an active galactic nucleus.
Despite the nickname “Quasi-Star Object”, a quasar is not a star like the sun, but an active galactic nucleus. The sun can produce its own energy and light, which is why it is called a star.
Meanwhile, quasars cannot produce their own energy, but instead get their energy from enormous black holes. That is the reason why quasars are not stars.
4. Quasars are not only very bright, they are also very far away
quasar illustration (Wikimedia.org/NASA)
Quasars are not only very bright, they are also very far away. Quasars are very far from Earth. Reported by page Visual Stories, quasars are millions to billions of light years away from being visible to humans. The closest quasar, namely quasar 3C 273, is two and a half billion light years away.
Astronomers know that there are about 200,000 more quasars in the universe. Of the 200,000 quasars, there is one that is farthest from Earth. The most distant quasar is 13 billion light years away.
This means that to see the state of the most distant quasars currently in existence, humans would have to wait up to 13 billion light years. Far away isn’t it?
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2023-07-18 13:08:09
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