Environmental Graffiti

Its a jet breaking the super-sonic barrier. It was taken by another pilot who had experience fly at super-sonic speeds, and new how to time the photo just right. When the plane is traveling the same speed as sound, it creates a pocket of depressurization, and water converts instantly into vapor, as seen here. Also with this depressurization come the loud sonic boom, which travels outward and behind it like a cone. Hope that clears it up!

Uh, that is a picture of a plane breaking the sound barrier. Are you guys new here? These pics have been around for years. Try to keep up. Where’s my t-shirt?

Sonic boom
From Wiki:
“When an object passes through the air, it creates a series of pressure waves in front of it and behind it, similar to the bow and stern waves created by a boat. These waves travel at the speed of sound, and as the speed of the object increases, the waves are forced together, or compressed, because they cannot “get out of the way” of each other, eventually merging into a single shock wave at the speed of sound. This critical speed is known as Mach 1 and is approximately 1,225 kilometers per hour (761 mph) at sea level.

In smooth flight, the shock wave starts at the nose of the aircraft and ends at the tail. There is a sudden rise in pressure at the nose, decreasing steadily to a negative pressure at the tail, whereas after the object passes, the pressure eventually returns to normal. This “overpressure profile” is known as the N-wave because of its shape. The “boom” is experienced when there is a sudden rise in pressure, so the N-wave causes two booms, one when the initial pressure rise from the nose hits, and another when the tail passes and the pressure suddenly returns to normal. This leads to a distinctive “double boom” from supersonic aircraft. When maneuvering, the pressure distribution changes into different forms, with a characteristic U-wave shape. Since the boom is being generated continually as long as the aircraft is supersonic, it traces out a path on the ground following the aircraft’s flight path, known as the boom forest.”

Easy!

It’s breaking the sound barrier.

The wind off the nose is so fast that it slams in the wind off the wings. Sonic boom!

I’m not sure what you’re looking for beyond it’s a jet fighter breaking the sound barrier. The cloud is formed by the shock wave as the airflow goes supersonic.

When an airplane flies through humid air, a cloud will form around it just as it approaches the sound barrier. The planes speed changes alters the temperature and pressure of the surrounding air, causing the moisture in the air to condense suddenly. Incidentally, you can see this cloud phenomenon on the Concorde as it takes off. See a picture of this at http://en.wikipedia.org/wiki/Concorde

I have heard that this phenomenon can appear around a jet at lower than sonic speeds under the right conditions of temperature and humidity, even if the jet stays below the sound barrier and does not break it.

It’s a jet breaking the sound barrier, right?

Alternately:
The screams of the long-dead organisms comprising the fossil fuel that the jet is burning, captured through the Air Force’s new Spectro-Ray.

Hi
The aircraft is in the process of braking the sound barrier.The clouds are from compressing the air around the aircraft.

Fighter jet in air ballet dons a supersonic shockwave tutu.

After extensive testing for alternative fuels, the US Navy finally made it’s decision - baked beans. Chosen for their explosive side effects, the baked beans are lowering the Navy’s emissions, while replacing the need for afterburners. Al Gore would be proud!

It is water vapor in the air condensing upon hitting the sonic barrier created by the transition between subsonic and supersonic speeds on the jet. This happens often in high humidity environments and when such jets pass through cloud formations.

The shock cone typically moves across the body of the plane, and technically, this plane can be described as being in transonic flight since the entire vehicle as of yet has not transitioned to supersonic airflow around it. This is a time of high stresses upon the plane’s structure, though thermal stresses are not yet a design concern at the speed represented in this picture.

Umm…isn’t it obvious? It’s a physical representation of hatred, shooting towards the Earth from out of God’s cataracted eye…duh…sonic boom…as if… ;-)

“It’s the spontaneous birth of an aircraft” as seen through the eyes of an eagle and told to its offspring. The eagle tells its young its a particular species of bird, one that can fly faster than any other bird of its kind.

The plane is breaking the sound barrier.
This creates an area of very low pressure behind the conical soundwaves.
In humid areas, moisture will condense in areas of low pressure momentarily as the jet passes through it.
This creates these “clouds” of moisture around the jet.
And that’s all there is to it.

It’s the Doc and Marty’s upgrade to the Delorean returning from a trip back to November of 2000 in which they bitch slapped everyone who voted for Bush. I’m sure we’ll see them again in November 2008.

This is a picture of a F18 Hornet…in a tutu. Duh, haven’t you ever seen such a thing before???

This plane is breaking the sound barrier. The clouds only occur in unique weather conditions, when aircraft fly fast enough to cool the air around them, causing moisture in the air to condense into clouds. These halos of vapor appear for only a few seconds when aircraft reach speeds just below or just above the speed of sound (741 miles an hour/1,193 kilometers an hour).

It is the very moment that an aircraft breaks the sound barrier…more commonly known as the sonic boom…a puncture through sound itself which lends credence to observations made by Dr. Albert Einstein that everything, you, me, the universe are all swimming through the cohesive fabric…this very fabric allows the planest to orbit in a constant path, and allows us to live our merry lives on earth…seeing as how we need to breath and we need the atmospheric protection the planet provides us… the alternative is floating off into space or burning to a crisp…or both, which I am told is very uncomfortable.

This fabric works similarly for sound…holds it in place…which is why the motto goes that “in space, no one can hear you scream”…

The sonic boom is a puncture in this fabric of sound…the result causes sound as we know it to act all weird…there are some debates whether or not this practice should be condoned…some fear that a hole in the fabric of sound never actually heals…causing sound to spill into other facets of space and time…and the bees to disappear…and our minds never capable of attaining full enlightenment…as a result food supplies all over the world suffer, and we are less and less able to relate to ourselves to all life…we become more detached, materialistic, immoral and susceptible to buying the latest apple product, regardless our means to afford it…especially during this time of economic uncertainty, higher gas prices, global warming, global cooling, reality TV and terrible direct to DVD sequels to beloved walt disney characters.

No no, you are all totally wrong. The big white thing is in fact an enemy space-ship from the planet Wobblegog masquerading as a cloud (Note that the cloud does not really look like the naturally occuring clouds we get here on earth …the Wobblegogians aren’t really that bright if I’m on honest…). In this picture we see the cloud deploying what, to the untrained eye, appears to be a US fighter jet. But alas! You have been fooled again! It is in fact the Wobblegog attack vehicle, masquerading as a US jet (Note that the engineers designing the attack vehicle were somewhat more intelligent than those assigned to the main ship…)

Thankfully, soon after the deployment of the attack vehicle, one environmental graffiti artist was stupid enough to post a picture of the event on his website, saying he had no idea what was happening in the photo, and asked people to come up with ideas. The wobblegogians read the site, and were so suprised that the person, named “Chris”, had failed to recognize that the picture was of a FIGHTER JET BREAKING THE SOUND BARRIER that they felt sorry for him, and returned to the planet Wobblegog to allow the earthling some time to become a bit more intelligent before they returned to completely destroy his planet, and all forms of life that inhabit it.

So, to “Captain Obvious” and all the others around here that are having a dig at Chris for being so STUPID, maybe you could give him some credit seeing as he’s just inadvertantly saved the world from total annihilation…

US Air Force are now able to tow rain - clouds to drought areas!