Sentences with phrase «upper atmosphere with»

Maybe some sort of crushed comet could hit the upper atmosphere with a sort of spread - out shotgun blast of tiny particles, all vaporizing long before they reach the earth, yet creating a «disturbance in the force.»

Arrival at this terminal state required passing through a «moist greenhouse» state in which surface water evaporates, water vapour becomes a major constituent of the atmosphere and H2O is dissociated in the upper atmosphere with the hydrogen slowly escaping to space [106].

Are we more likely to see unintended consequences from (a) seeding the upper atmosphere with sulfate or (b) dramatically reducing the carbon dioxide output of the whole human race?

Ulrike Lohmann and Blaž Gasparini, both researchers at the Institute of Atmospheric and Climate Scienceat ETH Zurich inSwitzerland, proposed a counterintuitive plan: Seed the upper atmosphere with tiny particles of desert dust to reduce cirrus clouds.

Ulrike Lohmann and Blaž Gasparini, both researchers at the Institute of Atmospheric and Climate Scienceat ETH Zurich inSwitzerland, proposed a counterintuitive plan: Seed the upper atmosphere with tiny particles of desert dust to reduce cirrus clouds.

NASA's Cassini spacecraft will enter new territory in its final mission phase, the Grand Finale, as it prepares to embark on a set of ultra-close passes through Saturn's upper atmosphere with its final five orbits around the planet.

The high - power radar will illuminate particles in the upper atmosphere with short, high - energy pulses of radio waves.

Not exact matches

Hmm, so you're telling me that a «heat shield» that was made of «special plastic» (as NASA called it back in the day), which was nothing but epoxy smeared over a ss honey comb «protected» the astros barreling into the upper atmosphere at hypersonic 5 miles / sec, or well over 30 times the velocity of a jumbo - jet and thru temperatures *** as quoted by NASA *** that are «10 times hotter than the surface of the sun», and then they «braked» with only a parachute to a safe splashdown?

Carbon 14 assumptions, e.g. rate of C14 generation in upper atmosphere, have absolutely nothing to do with the lead - lead decay rate.

Post says the employees provide that welcoming atmosphere to guests because they feel appreciated and have a connection with their fellow employees and upper management.

A rocket painted with DNA flew to the upper atmosphere and back.

The Ultraviolet Imaging Spectrograph (UVS) examines the auroras in UV light to study Jupiter's upper atmosphere and the particles that collide with it.

Visible from North Carolina to upstate New York, the eerie trails were created by five suborbital NASA rockets that soared to altitudes of 50 to 80 miles, where they released chemical tracers that reacted with oxygen in the thin upper atmosphere.

«With JADE we've observed plasmas upwelling from the upper atmosphere to help populate Jupiter's magnetosphere.

The phenomenon is a new type of aurora, dubbed STEVE, that's associated with the flow of charged particles in the upper atmosphere.

They become caught in powerful magnetic fields and are channeled into the upper atmosphere, where their interactions with gas particles, such as oxygen or nitrogen, set off spectacular bursts of light.

The team found that zapping mixtures of air with electricity, which simulates the chemistry of the upper atmosphere, could produce enriched levels of 15N15N like they measured in air samples.

Scientists also claim that the impact of the asteroid would have filled Earth's atmosphere with sulphur trioxide, subsequently creating a gas cloud that would have caused a mass amount of sulphuric acid rain to fall in just a few days, making the surface of the ocean too acidic for upper ocean creatures to live.

For instance, tiny black holes could be formed when high - energy cosmic rays collide with molecules in Earth's upper atmosphere.

While lower - energy ultraviolet radiation breaks up water molecules — a process called photodissociation — ultraviolet rays with more energy (XUV radiation) and X-rays heat the upper atmosphere of a planet, which allows the products of photodissociation, hydrogen and oxygen, to escape.

Some bacteria, plants and small animals called tardigrades are known to be able to survive in space, so it is possible that such organisms — if present in Earth's upper atmosphere — might collide with fast - moving space dust and withstand a journey to another planet.

MAVEN will have a particularly good opportunity to study the comet, and how its tenuous atmosphere, or coma, interacts with Mars» upper atmosphere.

There will also be some collaboration with international colleagues (most recently, the department partnered with the Indian government on a project that examines samples recovered from the upper atmosphere for signs of life).

If a volcano ejects vast quantities of water which freezes in the upper atmosphere, some of this may combine with sulphur dioxide to form droplets of sulphuric acid that quickly rain back to Earth.

«Those electrons are driven into the upper atmosphere, collide with nitrogen and oxygen atoms and molecules, and then create a spray of secondary and tertiary radiation, likely in the form of gamma rays,» Tobiska says.

Armed with some wild physics, Nicholas Christofilos hatched an equally wild plan: turn the upper atmosphere into a force field across the US that would fry the electronics of incoming missiles.

When test flights begin next year, Eve and SpaceShipTwo will be equipped with National Oceanic & Atmospheric Administration instruments to measure carbon dioxide, methane and other heat - trapping gases in the upper atmosphere.

Although CFCs are extremely persistent, remaining in the upper atmosphere for decades, and although they are 10,000 times more efficient than carbon dioxide at trapping heat, the process of controlling them has been under way for years, for reasons having nothing to do with the greenhouse effect.

The night - time emission of green light, with a wavelength of 557.7 nanometres, was detected in the Earth's upper atmosphere more than a century ago.

In the harsh sunlight of the upper atmosphere, methane can react with other gases to form water vapor, which then breaks down into other chemicals that destroy ozone.

Like existing ground - based gamma - ray observatories, the telescopes wouldn't detect gamma rays directly but would instead pick up the flashes of light given off when gamma radiation interacts with atoms in the upper atmosphere.

«If we had wind machines in the upper atmosphere, we could generate power ten times greater than we do with wind turbines here on Earth,» says Hendrix.

Aurorae over Earth's poles are the product of charged particles streaming from the sun and colliding with atoms and molecules in the upper atmosphere.

Whereas the lower atmosphere (at altitudes of less than 200 kilometers) is consistent with ground - based stellar occultations, the upper atmosphere is much colder and more compact than indicated by pre-encounter models.

Ray Jayawardhana: Indeed, and they're also neutrinos produced in the upper atmosphere of the earth when cosmic rays, these energy particles, collide with atoms in the earth's own atmosphere.

In a bid to find out what happened, MAVEN will examine how the solar wind interacts with Mars's upper atmosphere today.

Corrosion from atomic oxygen in the upper atmosphere can be forestalled with a coating of gold or platinum a few microns thick in the danger zone.

They can't be observed directly from Earth because they are blocked by the atmosphere, but Cherenkov telescopes spot them by detecting the flash of light caused by their collision with atoms in the upper atmosphere.

To produce the spectral fingerprints seen by the team, the upper atmosphere of WASP - 18b would have to be loaded with carbon monoxide.

«The mounting evidence is coalescing around the idea that decades of stronger trade winds coincide with decades of stalls or even slight cooling of global surface temperatures, as heat is apparently transferred from the atmosphere into the upper ocean,» Linsley said.

On the way down, they collide with atoms in the upper atmosphere, release energy and emit tiny bursts of light that together create auroras.

Another possible explanation is that the positrons originated from cosmic rays, particles from outer space that collide with atoms in the upper atmosphere to produce short - lived showers of highly energetic particles, including γ - rays.

«We are beginning to see the links in a chain that begins with solar - driven processes acting on gas in the upper atmosphere and leads to atmospheric loss,» said Bruce Jakosky, MAVEN principal investigator with the Laboratory for Atmospheric and Space Physics at the University of Colorado, Boulder.

Currently only ozone - depleting substances with atmospheric lifetimes ranging from a year to over 100 years, are controlled because they linger in the atmosphere long enough to reach the upper atmosphere, called the stratosphere.

The world cooled by between 0.3 °C and 0.4 °C following the eruption, in line with the upper range of the predictions of climate models for such a change in the atmosphere's heat balance.

Scientists believe Saturn's atmosphere is a layered sandwich of sorts, with a deck of water clouds at the bottom, ammonia hydrosulfide clouds in the middle, and ammonia clouds near the top, just below an upper tropospheric haze of unknown composition that obscures almost everything.

However, radiation changes at the top of the atmosphere from the 1980s to 1990s, possibly related in part to the El Niño - Southern Oscillation (ENSO) phenomenon, appear to be associated with reductions in tropical upper - level cloud cover, and are linked to changes in the energy budget at the surface and changes in observed ocean heat content.

Radiocarbon is a radioactive form of carbon that's created when nitrogen reacts with cosmic rays in the upper atmosphere.

Auroral emissions, occurring when charged particles in a planetary object's magnetosphere collide with atoms in its upper atmosphere, causing them to glow, are an important demonstration of planetary space weather.

The orbit will allow the craft to fly five «deep - dip» missions, which will skim the planet's atmosphere, which is all part of the plan to probe Mars» upper atmosphere, ionosphere and interactions with the sun and solar wind.