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Illustration of rocky exoplanet Proxima Centauri b. A rocky planet if it has oxygen, most likely has interesting geological activity to watch.
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Nationalgeographic.co.id – Oxygen is an indicator for scientists to investigate the existence of life on planet other. This element can be found in various places on other planets, ranging from the air, crust, or core and mantle.
However, other scientists have a different opinion. Many planets that have oxygen are thought to have arisen because of the slightest activity of living things on them. Yet another study that has been reported National Geographic Indonesia assume this element can be formed without the activity of living things.
Other findings look at oxygen as another determinant, as published by researchers in the journal Proceeding National Academy of Science in November 2021. They predict that rocky planets, including oxygen-rich exoplanets, could create geological activity.
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Through experiments led by Yanhao Lin of the Center for High Pressure Science and Technology Advanced Research, China, rocks exposed to higher oxygen concentrations can melt at lower temperatures than rocks exposed to lower amounts.
The planet’s sticky interior is thought to have a profound effect on rocky planets, the researchers wrote. The molten rock deep within the planet is magma that can drive activity on the surface like Earth’s. Geologists usually understand that volatiles such as water vapor and carbon dioxide that are released during volcanic eruptions can escape magmatic fluids and form an atmosphere that supports life.
Launch Science News, Lin said the impact of oxygen on rock melting has been ignored by most researchers. Yet oxygen is one of the most abundant elements on Earth and some rocky exoplanets. He argues that scientists have been ignoring it because oxygen is too common an element to play a role on a planet.
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Previously, a soil scientist at Southern Cross University John Grant at The Conversation estimates the presence of oxygen on the Moon that supports the lives of billions of people. However, the oxygen is under the moon and is not a gas.
Lin and Wim van Westrenen from the faculty of science at Vrije Universiteit Amsterdam, the Netherlands, continued to dig deeper into their conjecture in National Science Review, Sunday (16/01/2022) yesterday.
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