Hot Jupiter has smothering stratosphere sans water
7 years, 3 months ago

Hot Jupiter has smothering stratosphere sans water

India Today  

Washington, Nov 30 The oversized planet WASP-18b, located 325 light-years from Earth, is wrapped in a smothering stratosphere loaded with carbon monoxide and devoid of water, a NASA-led team has found. "We dont know of any other extrasolar planet where carbon monoxide so completely dominates the upper atmosphere," said Sheppard, lead author of the research published in the Astrophysical Journal Letters. "The only consistent explanation for the data is an overabundance of carbon monoxide and very little water vapour in the atmosphere of WASP-18b, in addition to the presence of a stratosphere," said Nikku Madhusudhan a co-author of the study from the University of Cambridge. The findings indicate that WASP-18b has hot carbon monoxide in the stratosphere and cooler carbon monoxide in the layer of the atmosphere below, called the troposphere.

Earth Pti Carbon Atmosphere Planet Jupiter Carbon Monoxide Monoxide Stratosphere  study  carbon  water  hot  atmosphere  wasp18b  sans  team  earth  monoxide  stratosphere  jupiter  planet  smothering

History of this topic

Astronomers Discover Extremely Rare, Jupiter-like Cloudless Exoplanet 575 Light Years Away from Earth
4 years, 2 months ago

Astronomers Discover Extremely Rare, Jupiter-like Cloudless Exoplanet 575 Light Years Away from Earth

News 18  

It seems Jupiter has got competition as scientists discover an exoplanet 575 light years away from earth. A team of fifteen scientists led by Munazza Alam, an NSF Graduate Research Fellow, a National Geographic Young Explorer, and a third-year graduate student in the Department of Astronomy at Harvard University, used the Hubble Space Telescope to record data and observe the …

Astronomers find an exoplanet with a cloud-free atmosphere that's larger than Jupiter and has Saturn's mass
6 years, 10 months ago

Astronomers find an exoplanet with a cloud-free atmosphere that's larger than Jupiter and has Saturn's mass

Firstpost  

The spectrum of WASP-96b shows the complete fingerprint of sodium, which can only be observed for an atmosphere free of clouds, Astronomers have found that a planet outside our solar system, which is similar to Saturn in mass and exceeds the size of Jupiter by 20 percent, has an atmosphere free of clouds. The spectrum of WASP-96b shows the complete …

Scientists discover ‘Hot Jupiter’ with deadly stratosphere located 325 light-years from Earth
7 years, 3 months ago

Scientists discover ‘Hot Jupiter’ with deadly stratosphere located 325 light-years from Earth

India TV News  

A NASA-led team of scientists have come across WASP-18b -- a 'hot Jupiter' located 325 light-years from Earth that has a smothering stratosphere and is loaded with carbon monoxide with no signs of water. “The composition of WASP-18b defies all expectations,” Kyle Sheppard of NASA's Goddard Space Flight Center in Greenbelt, Maryland, said. The formation of a stratosphere layer in …

Giant exoplanet with glowing water atmosphere discovered
7 years, 7 months ago

Giant exoplanet with glowing water atmosphere discovered

Live Mint  

Washington: Scientists have discovered glowing water molecules in the atmosphere of a giant Jupiter-like planet located 900 light years from Earth that is hot enough to boil iron. The atmosphere of WASP-121b—a gas giant exoplanet commonly referred to as a “hot Jupiter”—was observed using National Aeronautics and Space Administration’s Hubble Space Telescope. Water vapour in the planet’s atmosphere, for example, …

'Sunscreen' layer on distant exoplanet discovered by Indian-origin researcher - IndiaTV news
9 years, 9 months ago

'Sunscreen' layer on distant exoplanet discovered by Indian-origin researcher - IndiaTV news

India TV News  

Washington: In what could reveal the composition of a planet and how it formed, a team including an Indian-origin researcher has detected a stratosphere, one of the primary layers of Earth's atmosphere, on a massive and blazing-hot exoplanet. This atmospheric layer includes molecules that absorb ultraviolet and visible light, acting as a kind of "sunscreen" for the planet it surrounds.Until …

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