Tag

Noble Gases

All articles tagged with #noble gases

science1 year ago•3 min saved

"Unexplained Disappearance: Earth's Atmosphere Depleted of Xenon"

Earth's atmosphere is missing a significant amount of xenon, a noble gas that typically does not react with other elements. Scientists have proposed various theories, including xenon being trapped in Earth's core, degassing into space, or being dissolved in perovskite in the mantle. Recent research suggests that a substantial amount of xenon may have been carried off into space early in Earth's history, leaving behind trace levels dissolved in perovskite. This mystery also raises questions about the xenon levels on Mars and the potential role of perovskite in trapping the gas.

via IFLScience|

#earths-atmosphere #meteorites #noble-gases

science2 years ago•1 min saved

Scientists Discover Slow Leak in Earth's Core

Scientists have discovered that helium isotopes found in lava fields in Canada and Iceland suggest a slow leak from the Earth's core, indicating the existence of larger, undiscovered reserves. This finding provides valuable insights into the early formation of our planet and offers an opportunity to study the Earth's inaccessible core, which is buried under thousands of miles of rock and liquid metal. The presence of other noble gases supports the theory that these gases originated from the Earth's core, shedding light on the processes and conditions during the Earth's formation.

via Futurism|

#earths-core #geological-processes #helium

science2 years ago•3 min saved

Quantum Collisions: Hydrogen and Noble Gases Show Quantum Effects

Researchers at Freie Universität Berlin have used simulations to demonstrate how hydrogen molecules behave when they collide with noble gas atoms such as helium or neon. The study includes theoretical calculations as well as data collected in experiments with atoms and molecules conducted at TU Dortmund University and the Weizmann Institute of Science in Israel. The team was able to show that collisions change the way the molecules vibrate and rotate under the laws of quantum mechanics. The quantum effect observed here is known as a Feshbach resonance.

via Phys.org|

#feshbach-resonance #hydrogen #noble-gases