US News Huge planet has upper atmosphere hot enough to boil iron

12:51  03 august  2017
12:51  03 august  2017 Source:   Press Association

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A huge planet beyond the solar system has an upper atmosphere hot enough to boil iron , scientists have discovered. When we pointed Hubble at WASP-121b, we saw glowing water molecules, implying that the planet has a strong stratosphere.”

A huge planet beyond the solar system has an upper atmosphere hot enough to boil iron . “When we pointed Hubble at WASP-121b, we saw glowing water molecules, implying that the planet has a strong stratosphere,” said Tom Evans at the University of Exeter, UK.

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A huge planet beyond the solar system has an upper atmosphere hot enough to boil iron, scientists have discovered.

The international team identified glowing water molecules in the stratosphere of the exoplanet WASP-121b, which is 900 light years from Earth.

Water vapour in a planet’s atmosphere behaves in predictable ways depending on its temperature. While cool water vapour blocks specific wavelengths of light, vapour at higher temperatures causes them to “glow”.

Can Talk With Pak, But...: Mehbooba Mufti's Counter To Farooq Abdullah

  Can Talk With Pak, But...: Mehbooba Mufti's Counter To Farooq Abdullah Can Talk With Pak, But: Mehbooba Mufti's Counter To Farooq Abdullah"Be it America or China, they should mind their own business. You know wherever America has intervened... just look at Afghanistan, Syria, Iraq. China has its own issue over Tibet. So I think we understand that even after war we have to talk. India and Pakistan have to talk amongst themselves. What role do other countries have in this? Does Farooq sahib wish the same fate as Iraq and Syria on us?" she said.

A huge planet beyond the solar system has an upper atmosphere hot enough to boil iron , scientists have discovered. When we pointed Hubble at WASP-121b, we saw glowing water molecules, implying that the planet has a strong stratosphere.”

A huge planet beyond the solar system has an upper atmosphere hot enough to boil iron , scientists have discovered. When we pointed Hubble at WASP-121b, we saw glowing water molecules, implying that the planet has a strong stratosphere.”

The planet Jupiter © Provided by The Press Association The planet Jupiter

The radiation was in the form of infrared light indivisible to the human eye which was picked up by the Hubble Space Telescope.

Lead researcher Dr Tom Evans, from the University of Exeter, said: “Theoretical models have suggested that stratospheres may define a special class of ultra-hot exoplanets, with important implications for the atmospheric physics and chemistry. When we pointed Hubble at WASP-121b, we saw glowing water molecules, implying that the planet has a strong stratosphere.”

An artist's impression of planet WASP-121b: The planet WASP-121b, left, has an upper atmosphere hot enough to boil iron (University of Exeter/PA) © Provided by The Press Association The planet WASP-121b, left, has an upper atmosphere hot enough to boil iron (University of Exeter/PA)

WASP-121b is a “hot Jupiter” gas giant that hugs its star so closely one of its years lasts 1.3 days on Earth.

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A huge planet beyond the solar system has an upper atmosphere hot enough to boil iron , scientists have discovered. The international team identified glowing water molecules in the stratosphere of the exoplanet WASP-121b, which is 900 light years from Earth.

A HUGE planet beyond the solar system has an upper atmosphere hot enough to boil iron , scientists have discovered. "When we pointed Hubble at WASP-121b, we saw glowing water molecules, implying that the planet has a strong stratosphere."

The top of its atmosphere is heated to a blazing 2,500C (4,532F), the point at which iron exists as a gas rather than a solid. The research is published in the latest issue of the journal Nature.

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