There may be some distant alien planets Made of diamond, Scientists say.
With the right conditions such as the presence of water heat and pressure, exoplanets with high concentrations of carbon can turn into diamonds, scientists found in a new study. The researchers said that these can form exoplanet silica, which is an oxide of silicon, found in nature as quartz
“These exoplanets are unlike anything in our solar system”, lead author Harrison Allen-Sutter, a graduate associate at Arizona State University’s School of Earth and Space Exploration. Said in a statement.
related: The super-Earth planet is made of diamonds
Stars and planets in the same solar system are formed from the same cloud of gas and dust, so they usually have some similarities in their composition. While like planets Earth Orbit stars with often lower carbon-to-oxygen ratios, exoplanets that orbit stars with higher carbon-to-oxygen ratios, are more likely to be carbon-rich.
So, while the Earth has a low diamond content (about 0.001%), carbon-rich exoplanets can be diamond-heavy, the researchers said in the same statement.
To test whether and how such planets could form diamonds (and silica), scientists mimicked the interiors of carbon-containing exoplanets in the laboratory. They used high-heat and high-pressure diamond-anvil cells (high-pressure devices used to compress small pieces of material for extreme pressures.) The researchers then immersed the silicon carbide in water, which was silicon in water And is made of carbon. Narrowing it under high pressure between the two diamonds. As it went on, they also used lasers to heat the sample.
In monitoring this process with X-ray measurements, the researchers found that silicon carbide turned into diamonds and silica.
However, the science team does not think that these diamond planets will be able to host life. Researchers speculate that most such carbon-rich planets will not be particularly geologically active, which according to the statement could make their atmosphere inhumane to life.
“Despite primitiveness, this is an additional step to help exoplanets understand and characterize our ever-increasing and improved observations,” Allen-Sutter said in the statement. “The more we learn, the better we will be at interpreting new data from future missions to come James Webb Space Telescope And Nancy Grace Roman Space Telescope to understand the world beyond our own solar system. ”
this The work was published on 26 August In The Planetary Science Journal.
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