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What's The Story Behind This Pic?
Photo:
Courtesy of the US Navy comes this amazing image. We have no idea what the story is behind it, so we are asking you to come up with an explanation.
If your guess is good enough or weird enough, our friends over at Neatorama will give you a free T-Shirt of your choice and we'll post your comment as a blogpost in its own right!
All you have to do is drop a guess in the comments section with your name and email. We'll then contact you if you win. Enjoy! (Emails will not be published).
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Comments


Mike Taylor (not verified) says:
The pilot had Mexican food for lunch.

PMK (not verified) says:
It's an F/A-18 going through the Prandtl-Glauert singularity. It's the sharp condensation of vapor that surrounds an object that pass the speed of sound.

amir elmelegy (not verified) says:
the plane is breaking the sound barrier

Bryan (not verified) says:
That thing is breaking the sound barrier, most of us who have technically knowledge about sound, wind, airplanes, and speed know this, we have a sound barrier all over the world, and you can break it by super sonic speed, when you break that sound barrier, you can create that cloudy thingy at your back, only "jet planes" and a "whip" who can break the sound barrier.

Mark Hanson (not verified) says:
You are seeing a classified picture of project “Spot On” showing an attack fighter emerging from a “strike hole” which is actually the terminus of a terrestrial worm hole, this is also commonly referred to as quantum teleportation. Ice crystals form at the mouth of the event horizon (of the worm hole), giving it a cloud like appearance, due to the instantaneous exposure of water vapor in the atmosphere to the cold vacuum of space which all worm holes must pass through regardless of their origin and terminus.

matt (not verified) says:
obviously its a space-alien captured jet towing a cloud somewhere for shade. duh.

patricia (not verified) says:
I've seen this before...it's a Sonic Boom...cool, huh?

JulioC (not verified) says:
Haven't you guys realized? Man what has this pilot eaten. That's a fart! period. ;-)

Art (not verified) says:
This picture is from the cruise book of the USS Arkansas, CGN-41. I would know I was on the ship and have the book. It is indeed a F-14 Tomcat breaking the speed of sound and the shock wave of a sonic boom.

Greg (not verified) says:
What you see in the picture that looks like a plane flying though a cloud is actually the effect of the jet braking the sound barrier.
The effect is caused when the air and water molecules surrounding the plane are compressed at a very high rate of speed such that it forms that cloud-like shape around it.

Mark Russell (not verified) says:
This is a picture of an f-14 Tomcat captured at the exact moment it is breaking the sound barrier. The white cones are water vapor rendered visible by the sonic boom around the aircraft.

alen (not verified) says:
Uhmm its obviously a plane coming out of a worm hole.

adelard brousseau (not verified) says:
What came first: the jet or the egg?

Tom jenkins (not verified) says:
THis is a photo of an F-18 breaking the sound barrier. The vapor is produced by compression of air when breaking the barrier.

GFR (not verified) says:
This is not a picture of an F-18 breaking the sound barrier.
This picture was taken on a humid day. The aircraft creates a shockwave as it moves through the air. Immediately behind the shockwave the atmospheric pressure is slightly decreased. The decrease in pressure results in the moisture in the air condensing into little droplets or "fog". After the aircraft has passed the pressure returns to normal and the droplets evaporate.

wade (not verified) says:
It's a fighter jet breaking the sound barrier[going faster than the speed of sound]
I think the cloud around the back of it is going to be moisture in the air.

Dick Calcutta (not verified) says:
Obama's idea for an eco-friendly Wind Power Aircraft

mike plummer (not verified) says:
This is a picture of a F-18 hornet about to break the sound barrier.

Lee Longnecker (not verified) says:
This is the last plane to drop out of a superchasmatic worm hole which is used for rapid deployment of anti-Alien response team.

The Educator (not verified) says:
Contrary to popular belief, this "cloud" formation has absolutely nothing to do with breaking the sound barrier. It has everything to do with temperature and dew point. Contact your local weatherman for an explanation of dew point. As the aircraft moves through the air, the local air pressure rises as the aircraft pushes it out of the way. The local pressure drops back to ambient pressure as the aircraft passes. However, sometimes with some aircraft, the pressure drops below ambient pressure as it passes, for a very short time, due to the shape and speed of the aircraft. When this happens, the local temperature drops and reaches the dew point of the local air causing a condensation cloud. The cloud evaporates as the pressure rises back to ambient. This is the same mechanism which causes lenticular clouds to form over large mountains. These clouds have been photographed several times over Mt fuji and Mt Rainier.

Stanjam (not verified) says:
Yes, the Navy will tell you that this is a fighter going supersonic. The truth however, is that this is a fighter returning from battle on another planet. What you are seeing is the jet returning through the event horizon of a manmade wormhole. We are kicking alien butt!

Kevin Bottomley (not verified) says:
This is a picture of a supersonic jet breaking the sound barrier.

CORKY (not verified) says:
THE PLANE IS MOVING SO FAST THE LEADING EDGE OF THE WING IS COMPRESSING THE AIR IN FRONT OF IT. PLANE MOVING SO FAST COMPRESSED AIR CAN'T ESCAPE AND THE WHITE CONE YOU SEE IS THE RESULT.

Sandeep Yadav (not verified) says:
It's the jet crossing the sound barrier. Simple !

Prabath (not verified) says:
This is a cloud of vapor created because of the pressure applied on the air by the sound of waves created by jet. This can even happen without at the point jet breaking the sound barrier. Sound wave pressure on the air results in forcing vapor to connect together creating this cloud.

Mike (not verified) says:
This is a jet breaking the sound barrier.

Vijay (not verified) says:
This is a Low pass Sonic Boom pic taken...

Ishtiaq (not verified) says:
A fighter aircraft crossing sound barrier.

Marty (not verified) says:
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!

Thadd Selden (not verified) says:
It's what a sonic boom looks like: http://apod.nasa.gov/apod/ap010221.html

Captain Obvious (not verified) says:
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?

Foo (not verified) says:
http://wilk4.com/misc/soundbreak.htm
quoting the site:
"Here are some fascinating (for some people anyway) photos and videos of interesting condensation clouds that form around jets as they fly at or near the speed of sound, (often called "going through the sound barrier" or "accelerating past the speed of sound"). Under the right conditions, and even at lower speeds, they sometimes cause a vapor cone effect.
Understand that these Prandtl-Glauert condensation clouds can also occur at lower speeds, and are not really a visible manifestation of some kind of a sound barrier being broken.
The pics not mine. They were passed around via email and I've put together quite a bit of info I've found or been sent about each. Enjoy! -- jeff"

sampi (not verified) says:
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."

Mickey (not verified) says:
I've seen this picture before. It captures the breaking of the sound barrier.
And a quick Google search find this Wikipedia article on the sound barrier, which contains this exact picture containing the following caption:
U.S. Navy F/A-18 breaking the sound barrier. The white halo is formed by condensed water droplets which are thought to result from a drop in air pressure around the aircraft (see Prandtl-Glauert Singularity).

Gabriel (not verified) says:
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!

Varun Gupta (not verified) says:
This photograph depicts a plane breaking the sound barrier, also known as sonic boom. By writing "breaking the sound barrier" we mean crossing the local speed of sound in air, Vs, or reaching supersonic speed.
Vs = (331.4 + 0.6 * Tc) meters/second
where Tc is local temperature in degree Celsius.
When a plane flies, it creates a series of pressure waves in front of it and behind it. These waves travel at the local speed of sound, and as the speed of the plane increases, the waves are forced together, or compressed. Now as they cannot "get out of the way" of each other and thus eventually merging into a single shock wave at the local speed of sound.
One of the extraordinary sights associated with this supersonic transition is the production of a sudden visible vapor cloud around the aircraft.
In this phenomenon, this shock wave amplifies all pressure perturbations, leading to some regions of anomalously high and low pressure. If the associated volumes cannot quickly change, then the ideal gas law suggests that the temperature in the low pressure regions must drop, leading to condensation of the water vapor present around the body of plane.
Sometimes this phenomenon is also observed in planes flying at subsonic speeds. (eg. B-2 Spirit bomber)

Ben (not verified) says:
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.

Mickey J Barczyk (not verified) says:
Thats the new security thingy from USA against terror: emissions. If im not totally wrong the guys is still up there!

Will (not verified) says:
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.

sundeep (not verified) says:
This was caused by pressure differences around the aircraft. A sudden drop in pressure associated with high speed allows water vapour, which is normally invisible, to condense as fog.

Rory (not verified) says:
It's an F/A-18 Hornet breaking the sound barrier. The "cloud" at the back is known as a halo -- it is in fact simply a cloud, the result of water condensation.

tyler (not verified) says:
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.

firetwister (not verified) says:
IIRC this was the first time a supersonic boom was captured on photograph. The cloud is a "vapor cone" and not a "real cloud" http://en.wikipedia.org/wiki/Prandtl-Glauert_singularity
And the story, well wikipedia says:
Off the coast of Pusan, South Korea: An F/A-18 Hornet assigned to Strike Fighter Squadron One Five One (VFA-151) breaks the sound barrier in the skies over the Pacific Ocean. VFA-151 is deployed aboard USS Constellation (CVN 64). The image was an Astronomy Picture of the Day on August 19, 2007.

Ernie (not verified) says:
Hi
The aircraft is in the process of braking the sound barrier.The clouds are from compressing the air around the aircraft.

Roman (not verified) says:
Clear case of a break through the sound barrier. Sorry, no bubbles.

John (not verified) says:
the f-16 is getting tottaly tit-fucked by that cloud, is what that is...









metro (not verified) says:
Are russians really so stupid they dont know what the sound barrier is?
LOL