gas giant

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Water Vapor Found on Distant Planet

Astronomers take incredibly close look at far-away gas giant

(Newser) - Scientists say they've spotted water vapor and carbon monoxide in the atmosphere of a huge gas planet some 130 light-years from Earth, NBC News reports. That doesn't mean life exists there—the planet, HR 8799c, is way too hot and gassy—but it does highlight our growing ability... More »

New Planet Sought at Edge of Solar System

Planet Tyche explains change in path of comets: researchers

(Newser) - A huge and previously undetected planet lies at the outer edge of the solar system, believe two University of Louisiana astrophysicists. The planet Tyche, a gas giant four times the size of Jupiter, likely lies in the outer Oort cloud—the most remote part of the solar system—and almost... More »

'Ocean of Diamond' May Shimmer on Neptune, Uranus

Molten diamond experiment suggests that liquid space bling abounds

(Newser) - Vast oceans of liquid diamond with icebergs of solid diamond floating on the surface may exist on Uranus and Neptune. Scientists melting diamonds—which requires incredibly high pressure as well as temperatures—were surprised to discover that it behaves much like water in its molten state and believe that could... More »

Methane Found on Far-off Planet

Compound, crucial ingredient in early-life chemistry, detected 63 light years away

(Newser) - Methane, one of the simplest compounds known to play a role in the chemical genesis of life, was discovered for the first time to exist on a planet outside Earth’s solar system, the BBC reports. The planet, designated HD 189733b, is 63 light years away and also contains water,... More »

4 Stories