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I have recently discovered that you can change the levels of a picture by sampling a black point, and it automatically changes the colours accordingly. This means i can now get rid of my light pollution with two clicks, so here is a a picture I took of the orion nebula this evening
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Round of applause for the worst video game vehicle of all time
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Relativistic jets and the Collapsar model
Gamma-ray bursts (GRBs) were first detected by American nuclear detection surveillance satellites in the late 1960s. The Vela spacecraft series were designed to monitor world-wide compliance with the 1963 Nuclear Test Ban Treaty. The satellites detected no clandestine nuclear explosions, but they discovered something far more interesting: powerful bursts of gamma rays emanating from random directions in space. By analyzing the different arrival times of the bursts as detected by different satellites, scientists concluded that the sources of the bursts were cosmic and not terrestrial or solar. The discovery was declassified and published in 1973 as an Astrophysical Journal article entitled “Observations of Gamma-Ray Bursts of Cosmic Origin”. This alerted the astronomical community to the existence of gamma-ray bursts (GRBs), now recognized as the most violent events in the universe.
To this day GRBs remain one of the greatest mysteries of modern astronomy. We know that GRBs lasting less than 2 seconds (short GRBs) may originate from a variety of processes. There are several theories that explain how the energy from a gamma-ray burst progenitor is turned into radiation. One hypothesis describing how long gamma-ray bursts originate is called the “collapsar” model: gamma-rays are generated when massive, spinning stars collapse to form black holes and spew out powerful jets of plasma at nearly the speed of light.These stellar collapses (collapsars) are thought to be similar to supernovae, except that a jet is produced by the accretion of stellar material onto a compact object formed at the center of the collapsing star. These jets are called ’relativistic jets’ and they can transport the energy from the collapsed core to large distances. Inside the jet, the uneven distribution of temperature, density and pressure create internal shock waves that move inward and outward as faster regions within the jet collide with slower ones. The collisions between the fast-moving gas and its surroundings, as well as within the jet itself, create gamma rays. When the jet hits the surrounding interstellar medium it produces another shock wave. This causes particles to rapidly lose energy (fast cooling), due to the strong magnetic field in the GRB emission region, through a process known as synchrotron radiation. This phenomenon is observed as long gamma-ray bursts and it’s followed by a so-called “afterglow”, a slowly fading emission that can be seen at all wavelengths; starting with X-rays, followed by ultraviolet, visible and infrared light, and eventually radio waves.The afterglow can last for days or even weeks.
For more information:
Fermi-LAT Observations of the Gamma-ray Burst GRB 130427A
A History of Gamma-Ray Burst Discovery (interactive)
The Central Engines of Gamma-Ray Bursts
The Collapsar - Fireball Model
Credit: NASA’s Goddard Space Flight Center
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Round of applause for the worst video game vehicle of all time
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cheshirecait
hey phemie, how do you think cassandra hair works?
That’s a good question. Based on all the official art and screenshots I can find it just looks like a dang halo of fake hair whose hair did you steal cassandra was it solas’s

Here’s my alternate interpretation.

Step 1. A single long rat-tail braid coming out of the middle of the back of her head fsr
Step 2. Loop that sucker around town.
Step 3. Tuck the braid end into the base of the beginning of it. Secure with bobby pins or something Thedas equivalent.
et voilà, you are ready to fight crime while lookin cute.
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cheshirecait



did someone say cats in dragon age costumes? I’m about to submit our entry for the fan contest and I just wanted to show you all these glorious bastards. I’ll put up more photos later when I am back at my pc.
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hey guys
i’m so sososooso so oso soso ososo sorry guys
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If the Dragon Age characters had tumblr.
(part 1)
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Get out of your hot chocolate rut this year and try out one of these 10 amazing combinations! My personal Favorite? The Aztec! http://www.sheknows.com/food-and-recipes/articles/1054517/delicious-hot-chocolate-recipes-infographic
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"Deep Space"
16mm deep blue goldstone looks as if it holds a million tiny stars. Antiqued sterling silver with brass crescent moon accents.
Only two left.
www.omniaoddities.com
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