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rdf:type	schema:NewsArticle
schema:articleBody	Researchers said Wednesday they had observed water vapour escaping high up in the thin atmosphere of Mars, offering tantalising new clues as to whether the Red Planet could have once hosted life. The traces of ancient valleys and river channels suggest liquid water once flowed across the surface of Mars. Today, the water is mostly locked up in the planet's ice caps or buried underground. But some of it is vaporising, in the form of hydrogen leaking from the atmosphere, according to the new research co-authored in the journal Science Advances by two scientists at Britain's Open University. They detected the vapour by analysing light passing through the Martian atmosphere using an instrument called the Nadir and Occultation for Mars Discovery. The device is travelling aboard the ExoMars Trace Gas Orbiter, a joint mission between the European Space Agency and Russia's Roscosmos. "This fantastic instrument is giving us a never-before-seen view of water isotopes in the atmosphere of Mars as a function of both time and location," Manish Patel, senior lecturer in planetary sciences at the Open University, said. "Measuring water isotopes is a crucial element of understanding how Mars as a planet has lost its water over time, and therefore how the habitability of the planet has changed throughout its history," he said. It has been a busy week for Martian research. On Wednesday, the Chinese Tianwen-1 probe entered the planet's orbit after launching from southern China last July, in the latest advance for Beijing's ambitious space programme. The day before, the United Arab Emirates' "Hope" probe also successfully entered Mars' orbit, making history as the Arab world's first interplanetary mission. jit/pvh
schema:headline	Scientists detect water vapour emanating from Mars
schema:mentions	Planetary habitability Roscosmos Water vapor Atmosphere of Mars Space Shuttle Discovery Manish Paul Orbit Hydrogen European Space Agency Beijing Arabs United Arab Emirates Planet Mars Russia China Trace Gas Orbiter Occultation Volatiles Interplanetary mission Science Advances Open University Making History (TV series) PVH (company)
schema:author	http://data.cimple.eu/organization/1f0054d541e000623a2c1e561a247c073ef6328e8be9ffafda7b3fcd
schema:datePublished	2021-02-10 (xsd:date)
http://data.cimple...sPoliticalLeaning	other political leaning
http://data.cimple...logy#hasSentiment	negative sentiment
http://data.cimple...readability_score	83 (xsd:integer)
http://data.cimple...tology#hasEmotion	happiness

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