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Getting to Know Black Holes: The Universe’s Best Killers

There are many mysteries in the world of science. One such phenomenon that’s always been a bit of a dark horse and caused many a sleepless night for physicists is the black hole. Because we can’t see inside these monsters, they’re very difficult to study. However, what we do know is that they’re packed so tightly with the matter in very small places making their gravitational pull so strong that we would literally be destroyed within seconds if we were to get too close.


Not even light can escape from a black hole which is another reason why it’s difficult to study them. However, experts do think they’re getting close now as they the first ever image of a black hole’s event horizon was captured by a team of international scientists earlier this year. But until that data is released we’ll just have to make so with these 4 representations of black holes as portrayed by NASA:

1. Good Eats:  This is where a black hole can be seen gobbling up the remains o a star.  It’s pretty common and new stars are created all the time, giving the black hole more to feed on. If two galaxies do crash into one another it simply creates a new food source for the black holes.

A black hole consumes a starry meal. Photo: NASA



2.  Bizarre Blazar:  A blazar can be found within a group of galaxies and is a very compact quasar. They’re one of the most energetic phenomena in the Universe.

Black-hole-powered galaxies called blazars are the most common sources detected by NASA’s Fermi Gamma-ray Space Telescope. As matter falls toward the supermassive black hole at the galaxy’s center, some of it is accelerated outward at nearly the speed of light along jets pointed in opposite directions. When one of the jets happens to be aimed in the direction of Earth, as illustrated here, the galaxy appears especially bright and is classified as a blazar. http://photojournal.jpl.nasa.gov/catalog/PIA20912

3.  Growth Spurt: Quasars tend to suck the life out of everything around them, especially stars, in order for them to grow. They’re enormous and can often be mistaken for stars as they shoot out so much energy.

Zhaoyu Li/SHAO / An artist’s impression of a quasar with a supermassive black hole at its heart in the distant Universe.


4.  Cool Corona:  A corona is a ball of light that surrounds the sun and other stars. As described by NASA, they “contain highly energetic particles that generate X-ray light.”  They gather themselves up whole getting brighter as they go “before shooting away from the black hole.”

A ball of light known as a corona attempts to escape a black hole’s pull. Photo: NASA

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