(via Https://www.youtube.com/watch?v=CQrkkl5SOak)

These spectacular wave-like clouds are the result of the Kelvin-Helmholtz instability. When two layers of air move past one another at different velocities, an unstable shear layer forms at their interface. Disturbances in this shear layer grow exponentially, creating these short-lived overturning waves that quickly turn turbulent. The strong resemblance of these clouds to breaking ocean waves is no coincidence–the Kelvin-Helmholtz instability occurring between the wind and water is what generates many ocean waves. Kelvin-Helmholtz patterns are also common on other planets, like Jupiter, Saturn, and Mars. (Image credit: Breckenridge Resort; submitted by jshoer)

10 “Out of This World" Facts About the James Webb Space Telescope

Wouldn’t it be neat to see a period of the universe’s history that we’ve never seen before? That’s exactly what the James Webb Space Telescope (JWST) will be able to do…plus more!

Specifically, Webb will see the first objects that formed as the universe cooled down after the Big Bang. We don’t know exactly when the universe made the first stars and galaxies – or how for that matter. That is what we are building Webb to help answer.

Here are 10 awesome facts about this next generation space telescope:

1. The James Webb Space Telescope is the world’s largest and next premier space observatory. It will extend the discoveries of the Hubble Space telescope and observe the birthplaces of stars, galaxies, planets and life over billions of years.

2. It is named after James Webb, NASA’s second administrator and champion of our science.

3. At 3 stories high and the size of a tennis court, it will be 100 times more powerful than Hubble!

4. It is so big that it has to fold origami-style to fit in the rocket, which is only 5.4 meters wide…And then it will unfurl, segment by segment, once in space.

5. The telescope will observe infrared light with unprecedented sensitivity. It will see the first galaxies born after the Big Bang over 13.5 billion years ago.

6. Webb’s infrared cameras are so sensitive they must be shielded from light from the sun, Earth, and moon. The 5-layer sunshield is like having sunblock of SPF 1 million.

7. Webb will orbit the sun 1 million miles from Earth, where the telescope will operate at temperatures below -390 F (-235 C).

8. Webb’s mirrors are coated with a super thin layer of gold only about 1000 atoms thick to optimize their reflectivity in the infrared.

9. Webb will launch from French Guiana in 2018. It is launched near the equator because the faster spin of Earth there gives the rocket an extra push.

10. Webb is an international mission, with contributions from the European Space Agency and Canadian Space Agency. Once operational, scientists from all over the world will be able to use Webb to explore our solar system, planets outside our solar system, stars and galaxies.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

i’m truly sorry that after all these years you never learned how to love yourself in such a way so as to appreciate the absolute beauty and hard-earned success and growth of others without taking it as a personal attack upon yourself

d.c. (via a-pen-and-some-words)

I’ve learned that if someone threatens my peace of mind, self-respect, or self-worth… I must walk away. I owe it to myself… I owe it to my future.

Steve Maraboli (via tanya-nicole)

Book of the week: Warrior of the Light by Paulo Coelho

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yo lets have a shout out to foster care kids. here’s to all the kids who:

- get moved from home to home. - never had a connection with their family(/families). - doubt if their foster family love them. - have to explain why your last name is different than your family’s. - explain to countless people over and over in their lifetime about fostercare. - have to hear “oh, I’m so sorry” once you do explain your situation. (people who think it’s typically a bad thing to be removed from a home) - have abandonment issues. - feel as though they have to choose one family or the other. - get asked “sooo… why did you get removed?” / “did your parents not want you?” - never get a say in what happens to them/their future. You’re loved, you’re important, and you’re damn strong. 

Never apologize for burning too brightly or collapsing into yourself every night. That is how galaxies are made.

Tyler Kent White  (via wordsnquotes)