supersonic boom

2

For anon…enjoy the gif ;)

A supersonic boom quaking the earth beneath you caused you to look up from your book. You shot your gaze to look out the window only to see smoke rising high into the atmosphere. You were surprised there weren’t any flames considering how loud the impact was. Nonetheless, in your panicked state, you rushed from your house and to the crash site.

Upon further inspection, you realized it was a rather large ship-like structure. Or was it a plane? A hybrid of the two? Whatever it was, half of it was in the dirt. You skid to a stop when you heard a rather angry voice.

“You just had to say something.”
“I am Groot.”
“Don’t give me that!”
“I did not see him give you anything,” a third voice spoke.
“That is another expression,” a female voice spoke.

Despite your confusion, you hurried over to a door near you that seemed to be only slightly open. As you were inspecting it, a hand shot through the small opening and waved around. You gripped the back part of the bent piece and placed your foot on the side of the vehicle. Seeing as how your adrenaline was still pumping, you managed to pry the hole even wider. With a final pull, you slipped on your hold and fell onto the ground with a grunt.

“Oof!”
“Woo! Thanks for opening that, Drax,” the voice paused, “You’re definitely not Drax.”

You flicked your eyes up to see a shirtless man. Recognizing your childhood sweetheart immediately, your eyes widened. He seemed to do the same.

“Peter?”
“Y/N?”
You glanced around quickly and rambled, “How-What happened? And why aren’t you wearing a shirt? Not that I’m complaining because, mmm. I thought you ran away after-”
“Who’s she?” the first voice asked a bit irritated.

You glanced back to see a talking raccoon. A tree-man thing stood next to him along with a tattooed man and a green-skinned girl. With a yipe, you scrambled to your feet, gripping tightly onto Peter.

“That’s…a talking raccoon. And a walking tree,” you continued to panic, “Her skin is green! What-How-Huh?” You gripped your head. “Oh boy, I’m dizzy.”
Peter chuckled as he steadied you. “It’s a long story. Let’s get you back to your house.”

He began to walk you in the direction you had come from. You nodded as you tried to make sense of everything.

“Yeah. Home makes sense.”

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4

Supersonic Commercial Flight Gets a Breath of Life

The once and future dream of traveling from New York to L.A. in less than three hours is getting a shot in the arm thanks to a new round of NASA funding. Last week, the agency said it was putting $2.3 million into eight projects to overcome barriers to commercial supersonic flight. The announcement comes more than a decade after the Concorde completed the world’s last commercial supersonic flight.

The goal of the new work is to make supersonic flight greener by reducing high-altitude emissions and to cut down on the noise from sonic booms, the extremely loud report from a shockwave created by an aircraft accelerating faster than the speed of sound. 

(A concept supersonic aircraft created by NASA.)

Sonic booms are considered such a potential public nuisance that the Federal Aviation Administration has banned civilian aircraft from conducting supersonic flight over land since 1973. The agency is now looking at changing this rule with research like that being funded by NASA which shows that noise from booms can be significantly reduced.

Keep reading

NASA just released this image that captures the moment the aircraft ripped through the sound barrier and created a loud sonic boom as it accelerated faster than the speed of sound. What you’re seeing are the shockwaves generated by the sonic boom. Here’s what’s standing in the way of supersonic air travel over land and how NASA is trying to change that.

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Galactic pyrotechnics on display

A galaxy about 23 million light years away is the site of impressive, ongoing fireworks. Rather than paper, powder and fire, this galactic light show involves a giant black hole, shock waves and vast reservoirs of gas.

This galactic fireworks display is taking place in NGC 4258, also known as M106, a spiral galaxy like the Milky Way. This galaxy is famous, however, for something that our galaxy doesn’t have – two extra spiral arms that glow in X-ray, optical and radio light. These features, or anomalous arms, are not aligned with the plane of the galaxy, but instead intersect with it.

The anomalous arms are seen in this new composite image of NGC 4258, where X-rays from NASA’s Chandra X-ray Observatory are blue, radio data from the NSF’s Karl Jansky Very Large Array are purple, optical data from NASA’s Hubble Space Telescope are yellow and infrared data from NASA’s Spitzer Space Telescope are red.

A new study made with Spitzer shows that shock waves, similar to sonic booms from supersonic planes, are heating large amounts of gas – equivalent to about 10 million suns. What is generating these shock waves? Researchers think that the supermassive black hole at the center of NGC 4258 is producing powerful jets of high-energy particles. These jets strike the disk of the galaxy and generate shock waves. These shock waves, in turn, heat the gas – composed mainly of hydrogen molecules – to thousands of degrees.

The Chandra X-ray image reveals huge bubbles of hot gas above and below the plane of the galaxy. These bubbles indicate that much of the gas that was originally in the disk of the galaxy has been heated and ejected into the outer regions by the jets from the black hole.

The ejection of gas from the disk by the jets has important implications for the fate of this galaxy. Researchers estimate that all of the remaining gas will be ejected within the next 300 million years – very soon on cosmic time scales – unless it is somehow replenished. Because most of the gas in the disk has already been ejected, less gas is available for new stars to form. Indeed, the researchers used Spitzer data to estimate that stars are forming in the central regions of NGC 4258, at a rate which is about ten times less than in the Milky Way galaxy.

The European Space Agency’s Herschel Space Observatory was used to confirm the estimate from Spitzer data of the low star formation rate in the central regions of NGC 4258. Herschel was also used to make an independent estimate of how much gas remains in the center of the galaxy. After allowing for the large boost in infrared emission caused by the shocks, the researchers found that the gas mass is ten times smaller than had been previously estimated.

Because NGC 4258 is relatively close to Earth, astronomers can study how this black hole is affecting its galaxy in great detail. The supermassive black hole at the center of NGC 4258 is about ten times larger than the one in the Milky Way and is consuming material at a faster rate, potentially increasing its impact on the evolution of its host galaxy.

Image credit: X-ray: NASA/CXC/Caltech/P.Ogle et al; Optical: NASA/STScI; IR: NASA/JPL-Caltech; Radio: NSF/NRAO/VLA

anonymous asked:

Okay this is sorta random but i've seen a few posts about it and now i can't stop thinking about tmr and a superpowers au

OKAY IVE BEEN THINKING ABOUT THIS ANON

  • teresa with some kind of power that allows her to psychologically manipulate the fuck out of people, like she could look at them and they’d think their house was on fire
  • also telekinesis for teresa
  • im laughing it would be really useful if thomas could slow down or stop time so he could THINK abt things before he did them
  • minho w… superspeed i mean COME ON but also i get a kind of like supersonic boom type vibe from him ya feel
  • newt NEWT i would love for him to have?? some cool kinda control over shadows or darkness or SOMETHING im not even sure i just want dark!newt this is @badboygally‘s fault tbh
  • actually for newt it would be cool if he could manipulate matter and like? destroy things or put them together at his will fuck
  • gally w pyrokinesis… sign me up….
  • brenda being able to make earthquakes that would be fuckin cool

anon ur making me want this oh my god