What is Homosphere and Heterosphere?
What is Homosphere and Heterosphere?
March 11, 2020. 7 min read. The main difference between the homosphere and heterosphere is that the homosphere is the lower part of the atmosphere, up to about sixty miles (100 km), whereas the heterosphere is the upper part of the atmosphere. The homosphere and heterosphere are the two layers of the atmosphere.
What is the definition of ionosphere?
: the part of the earth’s atmosphere in which ionization of atmospheric gases affects the propagation of radio waves, which extends from about 30 miles (50 kilometers) to the exosphere, and which is contiguous with the upper portion of the mesosphere and the thermosphere also : a comparable region of charged particles …
Why is it called the Homosphere?
The lower layer of the atmosphere is called the homosphere because it has a constant chemical composition and is composed of a nearly unchanging mixture of several gases.
What is in the mesosphere?
The mesosphere’s atmosphere is low density and made up of oxygen, carbon dioxide, and nitrogen. Although most of the meteors that reach the mesosphere are burned up, some of their material hangs around afterwards, including iron and other metallic atoms.
Can you survive in the mesosphere?
The mesosphere lies between the thermosphere and the stratosphere. The mesosphere is 22 miles (35 kilometers) thick. The air is still thin, so you wouldn’t be able to breathe up in the mesosphere. But there is more gas in this layer than there is out in the thermosphere.
Can planes fly in the mesosphere?
The layer above the mesosphere is called the thermosphere. The mesosphere starts at 50 km (31 miles) above Earth’s surface and goes up to 85 km (53 miles) high. Weather balloons and jet planes cannot fly high enough to reach the mesosphere. The orbits of satellites are above the mesosphere
What happens if a plane goes too high?
When the plane gets too high, there is insufficient oxygen to fuel the engines. “The air is less dense at altitude, so the engine can suck in less and less air per second as it goes higher and at some point the engine can no longer develop sufficient power to climb.” …
What’s the highest a plane has ever flown?
On February 17, 1986, The highest altitude obtained by a soaring aircraft was set at 49,009 ft (14,938 m) by Robert Harris using lee waves over California City, United States.
What level of atmosphere do planes fly in?
stratosphere
Why do planes fly at 35000 feet?
One of the main reasons commercial aeroplanes fly so high is air resistance. Most commercial aeroplanes cruise at an altitude of nearly 35,000 feet in the air! You see, the higher you go above the ground, the thinner the atmosphere becomes, and therefore, the less resistance there is on the movement of the plane
Do planes fly in the ozone layer?
Commercial aircraft routinely fly through the lower edges of the ozone layer. The systems that provide a breathable atmosphere for the passengers, includes a catalyst filter to destroy / reduce the amount of ozone in the air they pump into the cabin.
Why do airplanes fly over the troposphere?
The troposphere is the lowest level of Earth’s atmosphere. This is because air is thicker at lower altitudes, requiring commercial jets to expend more energy to “push” themselves through the skies. In the troposphere, however, the air is thinner, thereby making commercial flights more fuel efficient.
What layer is ozone?
What keeps the Earth’s core hot?
There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements.
What would happen if Earth’s core stopped spinning?
— The spinning iron core in the center of the Earth would stop too. Without the spin, Earth’s protective magnetic field would be gone too. The Sun radioactive rays would automatically kill anything left. The other half of Earth would freeze
What would happen if the Earth stopped spinning for 42 seconds?
Assuming that the earth stops suddenly for 42 seconds and then starts spinning again at its normal speed, here’s what would happen: 1. If the earth stops spinning suddenly, the atmosphere will continue to spin. The winds will also cause erosion to the earth’s crust.
Is the Earth’s core spinning?
Surface-dwellers know that Earth spins on its axis once about every 24 hours. But the inner core is a roughly moon-size ball of iron floating within an ocean of molten metal, which means it is free to turn independently from our planet’s large-scale spin, a phenomenon known as super-rotation
How fast is the earths core spinning?
The inner core rotates in the same direction as the Earth and slightly faster, completing its once-a-day rotation about two-thirds of a second faster than the entire Earth. Over the past 100 years that extra speed has gained the core a quarter-turn on the planet as a whole, the scientists found.
Can Earth’s core explode?
The Earth’s core is slowly but steadily losing heat/energy. It’s difficult to see how a reduction in energy could cause it to explode. The Earth isn’t big enough to worry about gravitational collapse, as happen in stars when their fuel is expended
What happens if magnetic field flips?
During an excursion or a reversal, the magnetic field is considerably weakened and allows many more cosmic rays to reach the surface of the planet. These energetic particles from space can be damaging to life on Earth if too many reach the surface