Everyday Mystery and Wonder
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thefrogman:

From the Bad Astronomer

The most common way for a black hole to form is in the core of a massive star. The core runs out of fuel, and collapses. This sets off a shockwave, blowing up outer layers of the star, causing a supernova. So the star’s heart collapses while the rest of it explodes outwards.

As the core collapses, its gravity increases. At some point, if the core is massive enough (about 3 times the mass of the Sun), the gravity gets so strong that right at the surface of the collapsing core the escape velocity increases to the speed of light. That means that nothing can escape the gravity of this object, not even light. So it’s black. 

As for the second part… it’s possible that you wanted that girl and are projecting douchebag-ness on this other guy because you do not have the emotional capacity to accept that she chose him over you. 

(Source: shahirzag)

posted 1 year ago with 499,065 notes
via:punpunichu source:shahirzag
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