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A tremendous water source has been identified by astronomers in a distant segment of the cosmos, orbiting a quasar over 12 billion light-years away. This astonishing expanse signifies that the light we currently observe embarked on its journey not long after the inception of the universe.
The scale of this remote water supply is colossal, containing an estimated 140 trillion times the volume of all the oceans on Earth combined. This immense reservoir is situated near a supermassive black hole, roughly 20 billion times the mass of our sun.
Surrounding this black hole is a quasar known as APM 08279+5255, releasing energy equivalent to a thousand trillion suns. Astronomers state that this quasar possesses the most distant and substantial water reservoir ever discovered in the cosmos.
Quasar APM 08279+5255 and its water
Matt Bradford, a researcher at NASA’s Jet Propulsion Laboratory located in Pasadena, California, leads one of the teams analyzing these observations.
“The environment surrounding this quasar is exceptional because it generates a substantial amount of water,” Bradford clarified. “It’s another sign that water is pervasive throughout the universe, even in its formative phases.”
Bradford’s team, along with another group of astronomers, examined APM 08279+5255 and its central black hole, which attracts surrounding materials.
As the black hole consumes matter, it heats the nearby gas and dust, creating a region teeming with molecules never before observed at such an extreme distance.
Quasars were initially discovered over five decades ago when telescopes uncovered enigmatic sources of intense brightness in far-off areas of space.
These entities are not typical stars. They shine brilliantly from the centers of distant galaxies, outshining every star within those galaxies.
At their cores reside supermassive black holes, millions, or even billions, of times the mass of our sun. As gas and dust spiral towards these black holes, the material heats up and emits energy.
This energy radiates across all wavelengths, rendering quasars some of the brightest and most energetic phenomena ever detected.
Investigating quasars enables astronomers to gather insights about the early universe, as the light we see today has traveled billions of years to reach our eyes.
Quasars offer valuable understandings into the formation of galaxies, the allocation of matter, and the growth of the universe’s earliest structures.
They can even map the distribution of matter between galaxies, exposing areas that would otherwise remain obscured.
Some quasars also disburse enormous jets of high-speed particles that stretch across immense distances. These jets can influence star formation, impacting entire regions of cosmic materials.
A Surprising Discovery of Water
Astronomers found water vapor in the vicinity surrounding this specific quasar. The vapor spans a region hundreds of light-years wide, with one light-year equating to approximately six trillion miles.
Though the gas is sparse by Earth’s standards, it is exceptionally warm and dense compared to similar areas in our Milky Way.
With temperatures around minus 63 degrees Fahrenheit, the gas is about 300 trillion times less dense than Earth’s atmosphere. Nevertheless, it is five times warmer and hundreds of times denser than gas found in typical galaxies. These extraordinary conditions make this region a rare discovery.
Why Does This Matter?
Water vapor is more than merely a molecule; its presence indicates that the quasar is radiating energy that keeps the surrounding gas relatively warm.
Astronomers also observed other molecules, such as carbon monoxide, pointing to an abundance of material that could nourish the black hole as it continues to expand.
They estimate that there is sufficient gas for the black hole to increase its mass by approximately six times, though the result remains uncertain.
Some of this gas might create new stars, while other portions could be expelled into space. Regardless, these observations offer a glimpse into the conditions of the early universe.
Quasars, Water, and the Building Blocks of Life
The detection of water vapor in such a remote quasar enhances our comprehension of how the essential elements of life emerge over vast spans of time and space.
Water is crucial for life as we know it, and its presence billions of years ago implies that the components necessary for life have been accessible for an extended period.
Additionally, water plays a vital role in shaping the evolution of stars and galaxies. When gas clouds cool, water aids in their collapse, fostering the birth of stars.
Discovering water this far back offers astronomers new insights into how galaxies developed as the universe evolved.
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