Sentences with phrase «atmosphere as the planet»

In the December 11 issue of Science, Holland's group outlines its findings and how they might rule out some theories of the way Earth formed its atmosphere as the planet coalesced some 4.5 billion years ago.
It will also enable the study of thermal and scattering properties of the atmosphere as the planet orbit around the star.
The warming oceans could start to return more carbon dioxide to the atmosphere as the planet warms, according to new research.
Also note that human induced warming probably will trigger natural C02 / methane emissions leading to further warming so anthropogenic source will probably play a decreasing role in the amount of C02 in the atmosphere as the planet moves to a new equilibrium point.

Not exact matches

Depending on whether you're landing on a planet or a moon that has no atmosphere, a thin atmosphere, or a dense atmosphere, and depending on whether you're reentering with no payload in the front, a small payload, or a heavy payload, you have to balance the rocket out as it's coming in.
Jupiter's Great Red Spot is about twice as wide as Earth and has tumbled in the planet's atmosphere for at least 350 years.
Heaven is that planet 35000 light - years from earth, ten times as big made of hydrogen and oxygen for water, gold as atmosphere (yes we're taking the gold) But to desist as soul when given the chance in hell if you truly believe seems impassible for me to fathom.
There are hundreds of billions of stars in our galaxy, each with planets, that large of a number even if a tiny fraction had an atmosphere and even if a fraction of them had water (as we know it is required, but life may not require it on other planets) it would be amazing if there wasn't a carbon based lifeform somewhere else in our galaxy, let alone in the universe with billions of galaxies each with billions of stars and trillions of planets.
Whether it is the sprawl of deserts or the loss of tropical forests as the world's poor cut trees for firewood and clear land for agriculture, or the ineluctable warming of the planet as vehicles and factories deposit millions of tons of greenhouse gases into the atmosphere, «economic pressures lie behind them all» (Tolba 1991, p. 10).
As one of the group's leaders, Hsu Jen - hsiu, rightly says eating less or no meat is a way to love our planet because livestock emit large volumes of methane into the atmosphere, which contribute more to global warming than the emissions produced by all the vehicles around the world.
It's no mystery why carbon dioxide (CO2) levels fluctuate with the seasons: As greenery grows in the spring and summer, it soaks up the planet - warming gas, and when trees shed their leaves in the autumn, some of that gas returns to the atmosphere.
A thrilling epoch in the exploration of our solar system came to a close Friday (Sept. 15, 2017), as NASA's Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13 - year tour of the ringed planet.
As of this writing, Cassini is scheduled to end its travels around Saturn in mid-September by diving, on command, into the planet's atmosphere.
Their calculations indicate that the planet's atmosphere could lose 3 to 5 times as many charged particles, a process called ion escape.
As soon as more CO2 enters a watery planet's atmosphere, its warming effect is rapidly amplifieAs soon as more CO2 enters a watery planet's atmosphere, its warming effect is rapidly amplifieas more CO2 enters a watery planet's atmosphere, its warming effect is rapidly amplified.
Forming in the system's colder outer regions, where volatile compounds such as water and carbon dioxide freeze out, makes it possible that the planets incorporated those ices and carried them along to a warmer place where they could melt, evaporate, and become oceans and atmospheres.
As Io passes behind Jupiter, its surface quickly cools from 127 K -LRB--- 146 °C) to about 105 K -LRB--- 168 °C), a sudden chill that's sufficient to cause about 80 % of the atmosphere to turn into frost, the researchers report online today in the Journal of Geophysical Research: Planets.
And for decades, some scientists thought that happened because the atmosphere superheated the planet, igniting fires everywhere on Earth as fireballs rained down from the skies.
Transits can reveal atmospheres because as a planet passes in front of its star, atmospheric gases can absorb certain frequencies of the light passing through.
The simulations also suggest that the removal of excess carbon dioxide from the atmosphere by natural processes on land and in the ocean will become less efficient as the planet warms.
Patrick Dufour of the University of Montreal in Canada and colleagues have now found a white dwarf with the most contaminated atmosphere yet, suggesting it ate something as big as a dwarf planet.
In 2001, Charbonneau and astronomer Tim Brown of the High Altitude Observatory in Boulder, Colorado, used this technique to «sniff» the atmosphere of a huge, broiling planet called HD 209458b, even though it is 150 light - years away — 4 billion times as distant as the moon.
As a result, Tarduno says, the Red Planet had no magnetic field to protect the atmosphere, which may explain why its atmosphere is so thin.
But some scientists — Chris McKay, for example — see it as highly unlikely that the Red Planet is active enough to produce methane and believe there is no explanation for its high rate of dissipation in the atmosphere.
Kasting adds that far - out planets will be fainter and harder to see than close - in planets, so finding these distant worlds will be more difficult, as will studying their atmospheres.
In addition, 55 Cancri e transits its star, meaning it crosses the star's face as seen from Earth, casting a shadow that astronomers can data - mine for information about the planet's possible atmosphere and surface.
As the species» population grows and its energy harvesting intensifies, for example, the composition of the planet and its atmosphere may become altered for long timescales.
Frozen mixtures of water, ammonia and methane make up a thick layer between the planets» atmosphere and core — known as the mantle.
After large volcanic eruptions that pump sulphur dioxide into the atmosphere, such as that of mount Pinatubo in the Philippines in 1991, the planet cools for a year or two.
The planet appears to be too hot and violent to support anything like life as we know it, but now that astronomers know how to study the atmosphere of one exoplanet, they are ready to try extending the technique to other, potentially more inviting worlds.
In particular, they are looking at the planet as it transits, seeking a telltale broadening of its planetary shadow due to starlight being absorbed by a hydrogen - rich atmosphere.
And it didn't budge, even as winds in the planet's upper atmosphere whipped along at a brisk 100 meters per second.
The starlight that streams around the planet as it passes conveys valuable information — like the planet's size and the chemical makeup of its atmosphere — to the telescopes and spectrometers of Earth - bound stargazers.
As it sidled up to the planet, Galileo sent a probe into the atmosphere that measured temperatures, pressures and chemical abundances.
Rocky planets like Earth, Mars and Venus gained their atmospheres as volcanic gasses like carbon dioxide and water vapor were released from the planets» interiors.
But for planetary scientists, Jupiter's most distinctive mystery may be what's called the «energy crisis» of its upper atmosphere: how do temperatures average about as warm as Earth's even though the enormous planet is more than fives times further away from the sun?
So, using NASA's Infrared Telescope Facility, astronomers observed Jupiter for nine hours, looking for these flows as thermal fluctuations in the planet's upper atmosphere.
If Proxima b proves to have an atmosphere, Loeb and Kreidberg have also proposed using Webb to probe for the infrared signature of ozone in Proxima Centauri's glare as a possible sign that the planet's air is filled with oxygen — something that, on Earth, is mostly produced by life.
With NASA's James Webb Space Telescope, set for launch in 2018, astronomers will be able to analyze starlight that passed through a planet's atmosphere, known as a transmission spectrum.
As a transiting planet passes in front of its star, some starlight passes through the planet's atmosphere and continues on toward Earth — minus certain spectral frequencies that have been absorbed by molecules in the atmosphere.
As humanity burned fossil fuels such as coal, which added carbon dioxide gas to the Earth's atmosphere, we would raise the planet's average temperaturAs humanity burned fossil fuels such as coal, which added carbon dioxide gas to the Earth's atmosphere, we would raise the planet's average temperaturas coal, which added carbon dioxide gas to the Earth's atmosphere, we would raise the planet's average temperature.
But if pushed to the limit, it just might be able to provide the first indication of life — a telltale molecule, such as oxygen, in the planet's atmosphere — on a super-Earth circling another star.
But at the planet's far polar regions, some of these particles enter our atmosphere and provide the sweeping light shows we know as auroras.
Since the 1990s, scientists have been discussing using aircraft to inject aerosols, such as sulfates, into the atmosphere as a form of geoengineering to mimic volcanic eruptions that sometimes cool the planet by casting shades of particulate matter.
That's when mission planners project radio communications will be lost with the two - ton, bus - size spacecraft as it plunges into the giant planet's turbulent atmosphere at more than 122,000 kilometers per hour.
As we flood the atmosphere with more CO2, and average global temperatures rise, some areas of the planet are getting wetter.
It may seem surprising to people, but you can look at something like Mars, which has a very thin atmosphere, and you can look at something like Venus which we tend to think of as sort of having this rather heavy, clouded atmosphere, which [is] hellishly warm because of runaway greenhouse effect, and on both of those planets you are seeing this phenomenon of the atmosphere leaking away, is actually what directly has led to those very different outcomes for those planets; the specifics of what happened as the atmosphere started to go in each case [made] all the difference.
«Water evaporation and condensation processes as well as the strong greenhouse effect of water vapor and clouds decisively influence the energy balance of the atmosphere and the entire planet,» says Matthias Schneider from the KIT Institute of Meteorology and Climate Research (IMK).
By seeing which wavelengths are absorbed as the starlight passes through the planet's atmosphere, astronomers could determine whether the atmosphere contains water, carbon monoxide, methane, and carbon dioxide.
But if it is a planet, as one team of astronomers thinks, we may be in for some celestial fireworks in 2032, when Fomalhaut b starts to plough through a broad belt of debris that surrounds the star and icy comets within the belt smash into the planet's atmosphere.
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