Sentences with phrase «atmosphere at»

Its fragments hit the atmosphere at an average speed of 59 kilometres per second, causing most to disintegrate far above Earth, at altitudes of 80 to 120 kilometres — around the edge of space at 100 km.

The bats use the way the Sun's light is scattered in the atmosphere at sunset to calibrate their internal magnetic compass, which helps them to fly in the right direction, a study published in Nature Communications has shown.

A hundred years later Columbia, with its crew of seven, flew 200,000 feet above Texas, meeting the atmosphere at 12,500 miles per hour and on schedule for a touchdown at the Kennedy Space Center in Florida, 16 minutes later.

A typical meteor barrelling through the thin atmosphere at this height is just the size of a grain of sand or a small pebble.

Then again, with the surface of Venus being at almost 900 °F (500 °C) under more than 90 times the air pressure of Earth's atmosphere at sea level, with occasional showers of acid, it's not easy to test the properties of materials under Venusian conditions.

«The chemical changes which occur during this weathering tell us something about the composition of the atmosphere at that time.

The EUSO telescope, which will be used to find debris, was originally planned to detect ultraviolet light emitted from air showers produced by ultra-high energy cosmic rays entering the atmosphere at night.

It's far more challenging to colonize a place where there's hardly any atmosphere at all.»

The objective of the treaty is to «stabilize greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system.»

Because Mars» atmospheric pressure at ground level is comparable to that of Earth's atmosphere at 100,000 feet — a mere 1.4 percent of Earth's air pressure at sea level — an aircraft that can fly in such conditions will help engineers learn how to design aircraft to roam Martian skies.

An international team led by researchers at Nagoya University, along with US and Swiss colleagues, has identified a new type of solar event and dated it to the year 5480 BC; they did this by measuring carbon - 14 levels in tree rings, which reflect the effects of cosmic radiation on the atmosphere at the time.

Professor Andrew Scott, one of the lead authors, said: «High oxygen levels in the atmosphere at this time has been proposed for some time and may be why there were giant insects and arthropods at this time but our research indicates that there was a significant impact on the prevalence and scale of wildfires across the globe and this would have affected not only the ecology of the plants and animals but also their evolution.»

This is thought to be due to higher level of oxygen in the atmosphere at that time.

Despite large temperature increases in Alaska in recent decades, a new analysis of NASA airborne data finds that methane is not being released from Alaskan soils into the atmosphere at unusually high rates, as recent modeling and experimental studies have suggested.

By comparing the amount of carbon 13 in the inorganic particles with the absence of carbon 13 in the organic matter, scientists can estimate how much oxygen was present in the atmosphere at that time.

The working atmosphere at a small company will be very different than that at a large company.

MONTREAL — Humans are dumping extra carbon into the atmosphere at a rate unprecedented since at least the time the dinosaurs went extinct about 66 million years ago, new research suggests.

Every November, Earth passes through the debris field left behind by Tempel - Tuttle, and the bits of debris «ram into the atmosphere at tens of thousands of miles an hour,» according to StarDate magazine.

John Houghton, chairman of the IPCC's science working group, lends his personal support to the idea of stabilising CO2 in the atmosphere at twice preindustrial values, or around 1.2 trillion tonnes, by the end of the next century.

WISE 0855 is too faint for conventional spectroscopy at optical or near - infrared wavelengths, but thermal emission from the deep atmosphere at wavelengths in a narrow window around 5 microns offered an opportunity where spectroscopy would be «challenging but not impossible,» he said.

We humans are doing that work, knowingly pumping these gases into the atmosphere at unprecedented rates.

The suns rays pass through a greater length of atmosphere at sunrise and sunset than at any other time of day.

Nowadays, people are all in their separate silos and are so specialized that it's hard to understand what anybody else is doing but, in addition, there was this lovely atmosphere at Einstein where people were very prepared to collaborate.

Since the Industrial Revolution, fossil fuel burning has released sulfate and nitrate ions — both acid rain precursors — into the atmosphere at unprecedented levels.

There are an estimated 13 trillion liters of water floating in the atmosphere at any one time, equivalent to 10 % of all of the freshwater in our planet's lakes and rivers.

The capsule containing the rover and descent vehicle entered the Martian atmosphere at 5900 metres per second.

The only previous data on Jupiter's interior came from the Galileo spacecraft, which ended its mission by entering Jupiter's atmosphere at a single point in 1995.

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.

If it has an atmosphere at all, it probably consists of dense steam, says Greg Laughlin of the University of California at Santa Cruz, a member of the discovery team.

This is partly due to the current atmosphere containing much less CO2 — approximately 400 ppm (parts per million)-- compared to before the PETM, where the concentration was about 1,000 ppm and partly because we emit carbon into the atmosphere at a much faster rate than during the PETM.

Heat shields, or aeroshells, protect spacecraft — and those on board — from the extreme heat and pressure of entering an atmosphere at high speed.

But astronomers can not see what is not there, and the planet is far from guaranteed to possess an atmosphere at all.

Found along the edges of much of the world's tropical coastlines, mangroves are absorbing carbon dioxide from the atmosphere at an impressive rate.

They found that water vapour and chlorine and bromine from vaporised sea salts would destroy ozone high in Earth's atmosphere at a much faster rate than it is naturally created (Earth and Planetary Science Letters, DOI: 10.1016 / j.epsl.2010.08.036).

Add a pinch of nervous energy to a willingness to collaborate and the need to advocate and you'll have the recipe for the atmosphere at the inaugural National Postdoctoral Association (NPA) meeting, which was held on the University of California (UC), Berkeley, campus last weekend.

«This imaging was part of an experiment checking the opacity of the atmosphere at night in Curiosity's location on Mars, where water - ice clouds and hazes develop during this season,» said camera team member Mark Lemmon of Texas A&M University, College Station.

Findings include a discovery that surface waters in the open Arctic Ocean release heat - trapping methane gas into the atmosphere at a «significant» rate

Burning through the atmosphere at 45,000 mph, the asteroid's leading edge hit the Gulf of Mexico while its other end was still higher than a cruising 747.

Researchers had previously suggested that a substantial fraction of the tenuous shroud, which has a surface pressure about one - billionth that of Earth's atmosphere at sea level, turns to frost for the 2 hours that Io lies in Jupiter's shadow.

Atmospheric dust may have a powerful effect on climate, absorbing sunlight and warming the atmosphere at some altitudes while shading and cooling underlying layers of air.

The spacecraft entered Saturn's atmosphere at about 3:31 a.m. PDT on September 15 and immediately began running...

Its instruments were able to study Saturn's atmosphere at a wide range of altitudes, revealing its global circulation patterns, composition and vertical structure.

«Producing those two extremes of oxidation in an atmosphere at once is challenging to do without life.»

We can tell that this came from space both because of the fusion crust you can see that formed from entering the Earth's atmosphere at something like 30,000 miles per hour.

The row over what nationalist have claimed is an attempt to secure unionist votes in a hung Westminster parliament has poisoned an already toxic atmosphere at Stormont.

Blair Horner, with the government reform organization the New York Public Interest Research Group, says the atmosphere at the Capitol is heavy right now.

The nine - point plan is aimed at ending the oftentimes «wild west» atmosphere at accident locations.

On a long day of claim and counter-claim, pre-buttals and rebuttals, spin and counter-spin, the two main parties traded insults amid a feverish atmosphere at Westminster.

Yet, there is still a festive atmosphere at the rally.

Regardless, all this work — wheel spinning in an increasingly tense atmosphere at the Capitol — for no pay will only make for an increasingly contentious 2017 for Albany.