Sentences with phrase «traces of water vapor»

Situated 150 light - years from Earth, HD 209458b is a planet that holds traces of water vapor in its atmosphere, and also contains basic organic compounds that, on Earth, foster the development of life.

Not exact matches

Water vapor is an important trace gas that reveals the nature of the quasar.

The vapor accompanying these particles was mostly water but contained trace amounts of simple organic compounds, as well as carbon dioxide and ammonia — all ingredients important for the sustenance and even origin of life.

The atmosphere consists primarily of 78 percent nitrogen, 21 percent oxygen, a highly variable smattering of water vapor, and trace amounts of argon, carbon dioxide, and other gases.

«There likely will be little traces of the hydrocarbons in the water that is condensed to form rain, but it will likely make up less than normal pollution does,» says research meteorologist Frank Marks, director of hurricane research at NOAA's Atlantic Oceanographic and Meteorological Laboratory in Miami, Fla. «The amount of water vapor evaporated that might contain hydrocarbons related to the spill will be very, very small.»

Reporting in the 12 July Nature, the scientists note that they can't tell the density of water vapor in HD 189733b's atmosphere — in other words, whether it is present in only trace amounts or at much higher levels.

Its atmosphere is 95 percent CO2, compared with Earth's 78 percent nitrogen and 21 percent oxygen, with trace amounts of other gases and water vapor.

Its instruments can't capture microbes or detect life, but in a couple of dozen passes through the plumes of Enceladus, it has detected various molecules associated with life: water vapor, carbon dioxide, methane, molecular nitrogen, propane, acetylene, formaldehyde and traces of ammonia.

The most possible cause, according to researchers, for the observed water vapor traces around Europa is the presence of erupting water plumes on the moon's surface, not unlike those that have been directly observed on Saturn's moon Enceladus by the Cassini spacecraft.

Enceladus» southern polar region is also home to occasional jets of water vapor and icy particles (with traces of carbon dioxide and monoxide, volatile gases, and hydrocarbons) that spew from vents within the moon's so - called «tiger stripe fractures,» which create a huge plume of vapor and icy particles that extends into space and affects Saturn's magnetosphere.

In particular, aircraft jet engines produce carbon dioxide (CO2), water vapor (H2O), nitrogen oxides (NOx), carbon monoxide (CO), oxides of sulfur (SOx), unburned or partially combusted hydrocarbons (also known as volatile organic compounds, or VOCs), particulates, and other trace compounds.

The relative contribution of each trace GHG to increased Eocene and Cretaceous land temperatures at 4 × CO2, assessed with multiple separate coupled - ocean atmosphere HadCM3L model simulations, revealed methane and associated increases in stratospheric water vapor dominate, with nitrous oxide and tropospheric ozone contributing approximately equally to the remainder.

Only molecules made of at least three atoms absorb heat radiation and thus only such trace gases makes the greenhouse effect, and among these CO2 is the second most important after water vapor.

The principles of absorption and emission of radiation by various atmospheric trace gases like water vapor and CO2 rely on the theory of quantum mechanics.

Instead atmospheric physics uses the fundamental equations (the radiative transfer equations) which determine absorption and emission of radiation by water vapor, CO2, methane, and other trace gases.

Indeed, strong observational evidence and results from modeling studies indicate that, at least over the last 50 years, human activities are a major contributor to climate change.Direct human impact is through changes in the concentration of certain trace gases such as carbon dioxide, chlorofluorocarbons, methane, nitrous oxide, ozone, and water vapor, known collectively as greenhouse gases.

As the concentration of gaseous water (water «vapor») in the atmosphere is on the order of 3o, 000 to 40,000 ppm, this trace greenhouse gas really * is * the invisible 800 lb gorilla in the room even if we ignore the phase change effects.

The abstract of this report says most of the absorption [and thus radiation] observed in the atmosphere is due to its trace components such as water - vapor, carbon dioxide and ozone.

WebHubTelescope, after 100 years of human emission of CO2, the atmosphere still consists about 78 % Nitrogen, 21 % oxygen, 0.9 % Argon, 1 % water vapor, 0.039 % CO2, and other trace gasess.

However, water vapor, carbon dioxide, methane, and other trace gases are opaque to many wavelengths of thermal infrared energy.»

The world's climate is way too complex... with way too many significant global and regional variables (e.g., solar, volcanic and geologic activity, variations in the strength and path of the jet stream and major ocean currents, the seasons created by the tilt of the earth, and the concentration of water vapor in the atmosphere, which by the way is many times more effective at holding heat near the surface of the earth than is carbon dioxide, a non-toxic, trace gas that all plant life must have to survive, and that produce the oxygen that WE need to survive) to consider for any so - called climate model to generate a reliable and reproducible predictive model.

States that other feedbacks likely to emerge are those in which key processes include surface fluxes of trace gases, changes in the distribution of vegetation, changes in surface soil moisture, changes in atmospheric water vapor arising from higher temperatures and greater areas of open ocean, impacts of Arctic freshwater fluxes on the meridional overturning circulation of the ocean, and changes in Arctic clouds resulting from changes in water vapor content

About 50 % of global warming may be attributed to water vapor, about 25 % clouds, and trace gases are the last 25 %, which we have increased substantially since the beginning of the industrial age.

Alexandrov, M.D., A.A. Lacis, B.E. Carlson, and B. Cairns, 2001: MFRSR - based climatologies of atmospheric aerosols, trace gases, and water vapor.

Water vapor is just a trace gas, less than one half of one percent of the air in the atmosphere.

One of the few articles that recognizes the specific heat capacities of the major atmospheric gases — Nitrogen, Oxygen, Ozone and Argon — as well as the atmospheric trace gases — water vapor and Carbon Dioxide.