
According to a study, a nearby exoplanet may be a water world that could support life. The exoplanet, LHS 1140b, orbits a small star about 50 light-years away from Earth.
The study found that LHS 1140b is not dense enough to be made entirely of rock. It must either have more water than Earth or a large atmosphere made of light elements like hydrogen and helium.
The James Webb Space Telescope may be able to determine if LHS 1140b is a water world. In July 2022, the telescope detected water on the exoplanet WASP-96b
An exoplanet orbiting a small star some 50 light-years away from Earth may be a life-friendly water world, a new study has revealed — and the James Webb Space Telescope could determine if that is indeed the case, according to Space.com.
According to a study, an exoplanet called LHS 1140b may be a life-friendly water world. The planet orbits a small, dim star called LHS 1140, which is located in the constellation Cetus. It was discovered in 2017 and has been observed by multiple telescopes since.
The James Webb Space Telescope could determine if the planet is indeed a life-friendly water world. According to a NASA news release, an analysis of Webb’s observations found the planet has abundant methane and carbon dioxide in its atmosphere. The presence of these carbon-bearing molecules, along with a scarcity of ammonia, could indicate an atmosphere rich with hydrogen that surrounds an ocean world.
Liquid water on a planet is important because it’s necessary for life as we know it. However, if a planet is too far away from its host star, the oceans freeze.
The planet in question, called LHS 1140b, orbits in the habitable zone of a small, dim star called LHS 1140 that lies in the constellation Cetus. The exoplanet was discovered in 2017 and has been observed by multiple telescopes since
According to a study, the exoplanet LHS 1140b may be a water world that could support life.
LHS 1140b is a super-Earth planet that orbits a red dwarf star. It was discovered in 2017 and is about 5.6 times the mass of Earth
According to arXiv, 3D global climate models suggest that LHS 1140b could have habitable surface conditions if it’s abundant in water. Space.com reports that a new analysis of observations shows that LHS 1140b is not dense enough to be purely rocky. It must either contain more water than Earth or have a large atmosphere of light elements like hydrogen and helium.
The James Webb Space Telescope could determine if LHS 1140b is a life-friendly water world
But a new analysis of all available observations has shown that LHS 1140b is not dense enough to be purely rocky and must either contain much more water than Earth or possess an extensive atmosphere full of light elements such as hydrogen and helium
LHS 1140b is about 40 light years from Earth. It orbits a red dwarf star named LHS 1140, which is located in the constellation of Cetus. LHS 1140 is about 39 light years from Earth
Scientists don’t know if LHS 1140b has an atmosphere. However, some say that telescopes like the Hubble Space Telescope and the Giant Magellan Telescope could potentially detect oxygen in the planet’s atmosphere.
According to NASA/ADS, LHS 1140b could have a hydrogen-dominated atmosphere, and oxygen has strong chemical sinks, which could lead to low concentrations of oxygen
The new planet, known as LHS 1140b, receives enough starlight to allow for liquid water, a prerequisite for life on Earth. It lies 39 light years from our solar system — not exactly in the backyard, but close enough that telescopes now under construction may be able to spot oxygen molecules swarming around it
The planet LHS 1140b is 39 light years away from our solar system and is close enough for telescopes under construction to detect oxygen molecules.
NASA’s James Webb Space Telescope (JWST) is scheduled to launch in 2021. Researchers at UC Riverside have developed a technique that will use the JWST to study the atmospheres of exoplanets for signs of oxygen molecules colliding. The telescope will be able to identify a unique signal produced when oxygen molecules collide. If that signal is found in the atmosphere of an exoplanet, it would be a strong indication that oxygen, and perhaps life, is present.
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