Sentences with phrase «altitude of about»

Singer, on the other hand, said that calculations showed that the smoke would go to an altitude of about 3,000 feet (910 m) and then be rained out after about three to five days and thus the lifetime of the smoke would be limited.

The thermosphere is the highest layer in the atmosphere, and begins at an altitude of about 90 kilometers [60 miles].»

The F region extends upward from an altitude of about 160 km (100 miles).

Above the altitude of about 0.5 km the difference in lapse rate is the main reason for the density difference.

So it is the temperature higher up in the atmosphere — at an altitude of about 5 km — that determines the rate at which this energy is radiated out into space.

If you ever have watched a meteor shower or seen a «shooting star», then you probably were looking just below this line, at an altitude of about 75 - 100 kilometres, which is the «meteor zone».

In that case the surface temperature would still be essentially the same as without any atmosphere, but the atmosphere would have the adiabatic lapse rate up to an altitude of about 4 km.

In an earlier posting, I pointed out the striking change in altitude of samples at this site, with 13th century samples averaging from an altitude of about 310 m. (NATO 1996, Figure 4, top panel), while modern samples all come from between 200 and 250 m. Briffa says that the elevations of the subfossil cores are known precisely, but not the modern cores (p. 35).

At an altitude of about 125 kilometers above the surface, measurements by the Venus Express probe have shown, the temperature drops to an amazingly low -175 °C, cool enough in theory for carbon dioxide ice or snow to form.»

The mesopause, at an altitude of about 80 km, separates the mesosphere from this outermost layer of the Earth's atmosphere.

The colors reflect levels of carbon monoxide at an altitude of about 18,000 feet, with the gas providing an indirect indicator of other emissions.

The lake sits at an altitude of about 12,100 feet above sea level and is beautifully located.

Located high in the Tilarán Mountain Range at an altitude of about 4300 feet above sea level, Monteverde is one of the Costa Rica's most scenic spots.

The image was captured using the high - resolution JunoCam instrument from an altitude of about 32,400 miles above the gas giant's atmosphere.

Since the first microwave sounding unit was launched into orbit in November 1978, satellite - based instruments have measured the temperature of the atmosphere from the surface up to an altitude of about eight kilometers above sea level.

To make technical operations and everyday work easier, a base camp has been built at a lower altitude of about 2900 m.

With four engines each generating 50,000 pounds of thrust, SOFIA can cruise at 520 miles per hour and reach an altitude of about 40,000 feet.

The satellite - based instruments measure the temperature of the atmosphere from the surface up to an altitude of about eight kilometers above sea level.

At an altitude of about seven miles, with Curiosity traveling at 900 miles per hour, a 50 - foot - wide parachute deployed.

But when Messenger dipped below an altitude of about 100 kilometres, it saw an even weaker magnetic signal coming from the rocks on the surface.

Geostationary satellites, which stay fixed in one spot at an altitude of about 22,000 miles, transmit near - continuous views of the earth's surface.

He flew just over 275 meters, at an altitude of about five meters, over a lake in Quebec before losing power and falling in.

All this allowed the team to conclude that the object, an asteroid 17 to 20 metres across and with a mass of 10,000 tonnes, exploded at an altitude of about 30 kilometres.

At an altitude of about 5,200 meters on the Chajnantor Plateau, a Mars - like red expanse in Chile's Atacama Desert, the driest place in the world, ALMA's matching antennas swivel in unison as observers collect light from cosmic objects.

One of them broke apart at an altitude of about 18 kilometres, the other sailed on to eventually land in Lake Chebarkul, leaving a 7 - metre - wide hole in the ice.

Wurst's idea is to mate the engine with a new airplane design, take the craft up to an altitude of about 30 miles, at which point the ramjets can no longer be used, coast to an altitude of 60 miles, then release the satellite payload with a small conventional rocket attached.

When we talk of extracting wind energy, it's mainly from wind at an altitude of about 100 metres.

The spacecraft made its 127th and final close approach to Titan on April 21 at 11:08 p.m. PDT (2:08 a.m. EDT on April 22), passing at an altitude of about 608 miles (979 kilometers) above the moon's surface.

«Blue jets» move upward from the tops of thunderstorms in a narrow cone and fade away at an altitude of about 25 miles.

It reached an altitude of about 770 km and travelled 3,700 km.

The report by the National Transportation Safety Board said the unidentified camper watched the plane struggle at an altitude of about 11,500 feet against strong winds.

We are vacationing at an altitude of about 6500 ft. Please let me know what I can do to avoid the dryness.

Any large spacecraft that dips below an altitude of about 125 miles has just a few days left in orbit, Gossner said — and that's roughly where Tiangong - 1 is drifting.

The researchers tested air samples from ground level and from altitudes of about 20 miles, as well as dissolved air from shallow ocean water samples.

That contrasts sharply with other ephemeral events at similar altitudes, which glimmer into being when electrical current travels upward from lightning clouds at altitudes of about 10 km.

As recently as June, an article in Defense News, a trade publication, reported that the Air Force was developing «a stealthy 4,000 - mph plane capable of flying to altitudes of about 100,000 feet, with transcontinental range.»

The transition of the sub-solar point to the anti-solar point takes place at altitudes of about 100 kilometers.

Even the Hubble Space Telescope and the International Space Station (ISS), which orbit at altitudes of about 600 and 340 km (370 and 210 miles), respectively, would eventually reenter Earth's atmosphere if they were not continuously reboosted to their original orbits.

Auroral emissions typically occur at altitudes of about 100 km (60 miles) and are often green, white, or reddish in colour depending on what species (atomic oxygen, molecular oxygen, or nitrogen, respectively) is primarily emitting light.

One of expected consequences of the global warming is an increase in the temperature difference between the Tropics and the Polar Regions at altitudes of about 5 - 15 kilometres.

At altitudes of about 11 to 12 miles (18 to 20 kilometers), more than 80 percent of the ozone present in January had been chemically destroyed by late March.

Under normal circumstances, the atmosphere at altitudes of about 16,000 to 40,000 feet (4,800 to 12,200 meters) is full of tiny particles.

Virgin Galactic was founded and so far existed to provide a reusable platform to reach sub-orbital altitudes of about 68 miles above the Earth.

Not exact matches

The majority of the panel — made up of about 70 industry, labor, and law enforcement experts — agreed that technology already exists or will soon come to market that can track small drones at low altitudes.

Musk, 43, also has publicly talked about using satellites to provide Internet access to remote parts of the Earth, a mission that Google also has embraced in a separate project that relies on high - altitude balloons.

The missile currently flies to its target at low altitude and subsonic speeds of about 550 miles per hour.

If you've spent any amount of time in an aircraft about to take off — gazing out the window at the tarmac, thinking about the cold beverage you'll have at altitude — you've probably spent at least a passing moment wondering how exactly manufacturers make sure the iron birds don't break.

I knew he intended it as a challenge to the regnant secularism of the time, but you had to wonder: What else had this distinguished scholar, and his colleagues at the higher altitudes of German theology, been speaking about, these many years?

I live in the Rocky Mountains outside of Denver at about 8300 ft.. It took me several years to «fix» my low altitude recipes for up here.

Different types of baked goods need different adjustments, and we offer suggestions about where to start further on including adjusting chemical leavens according to altitude and baking cookies at high - altitude.