Sentences with phrase «hydrogen escape from»

«Now that we know such large changes occur, we think of hydrogen escape from Mars less as a slow and steady leak and more as an episodic flow — rising and falling with season and perhaps punctuated by strong bursts,» said Michael Chaffin, a scientist at the University of Colorado Boulder's Laboratory for Atmospheric and Space Physics who is on the Imaging Ultraviolet Spectrograph (IUVS) team.
«MAVEN is giving us unprecedented detail about hydrogen escape from the upper atmosphere of Mars, and this is crucial for helping us figure out the total amount of water lost over billions of years,» said Ali Rahmati, a MAVEN team member at the University of California at Berkeley who analyzed data from two of the spacecraft's instruments.
«Now that we know such large changes occur, we think of hydrogen escape from Mars less as a slow and steady leak and more as an episodic flow — rising and falling with season and perhaps punctuated by strong bursts,» said Michael Chaffin, a scientist at the University of Colorado at Boulder who is on the Imaging Ultraviolet Spectrograph (IUVS) team.

Not exact matches

If the earth were slightly larger, having a stronger gravitational force, it would prevent hydrogen, a light gas, from escaping at a specified rate, building up in our atmosphere and eventually rendering our planet lifeless.
Radiation — in the form of photons — can't easily escape from hydrogen on the pulsar's surface.
These storms are helping hydrogen from water vapor escape from the Red Planet, a new study finds.
There, the coal is partially oxidized; the gas which escapes from the second pipe is a mixture of syngas (carbon monoxide and hydrogen) and carbon dioxide and a little methane.
«Immense cloud of hydrogen discovered escaping from exoplanet the size of Neptune.»
This environment would have limited black holes from growing very big as molecular hydrogen turned gas into stars far enough away to escape the black holes» gravitational pull.
Hope will probe the link between processes in the lower atmosphere, which contains most of the martian atmosphere's water vapor, and the escape of hydrogen and oxygen from the upper atmosphere.
Once the venting go - ahead was given, crews were unable to begin until 2:30 p.m., almost 24 hours after the accident began, and by that time, it was too late to prevent hydrogen from escaping the containment and gathering at the top of Unit 1.
The radiation from the parent star is basically evaporating the atmosphere, sufficiently energizing hydrogen atoms that they can escape gravitationally unbound from the atmosphere.
As the last of the light from the Big Bang escaped, the universe — now about 378,000 years old — would have been a dark place, with no sources of light to illuminate its fog of cooling, neutral hydrogen gas.
If the quasar is so distant that the light we observe from it escaped during the «dark ages», its UV light will have been absorbed by the neutral hydrogen present at the time; if the quasar is closer and the light we observe was emitted only after the reionisation, there will have been no neutral hydrogen to impede it (see diagram below).
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