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No Escape: The Science of Black Holes

 

Imagine an object being able to suck everything near it into it, and which is so powerful that even light cannot escape it. Pretty amazing, right ? A black hole is a celestial body in the universe which possesses such properties. A black hole is defined as a region of spacetime from which gravity prevents anything, including light, from escaping. The smaller the hole, the greater its gravity and lesser its heat emission. Hence miniature black holes are very powerful and difficult to observe in the universe.

Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitational lensing effect, which produces two enlarged but highly distorted views of the Cloud. Across the top, the Milky Way disk appears distorted into an arc.

Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitational lensing effect, which produces two enlarged but highly distorted views of the Cloud. Across the top, the Milky Way disk appears distorted into an arc. | Source : en.wikipedia.org/wiki/Black_hole

Black holes of stellar mass are expected to form when very massive stars collapse at the end of their life cycles. Black holes can grow in size by absorbing other stars and merging with other black holes, resulting in massive black holes having a mass equal to millions of solar masses. Now that is just huge.

Some theories such as the big bang theory suggests that our universe was formed with a big bang which happened to be just a tiny black hole exploding into energy which was just difficult to fathom. Really difficult to imagine that life started from just nothing, isn’t it ?

Source : www.bibliotecapleyades.net

Source : www.bibliotecapleyades.net

As a black hole sucks in everything around its gravitational reach, including light, some scientists suggest that a black hole is a one way gateway to another universe, which is limitless just like ours. In fact some scientists believe we are also living inside a black hole. Pretty mind boggling, isn’t it ?

This leads to the conclusion we are living in a multiverse (infinite possible universes) and not a universe, which means there are different universes like us which just have different sets of laws and definitions.

I think that’s enough mind=blown for today. Time for some sleep. Just kidding.

blackhole

Artist’s concept of a black hole This artist’s concept illustrates a super massive black hole with millions to billions times the mass of our sun. | Source: nasa.gov

Artist concept of matter swirling around a black hole. | Source: nasa.gov

Artist concept of matter swirling around a black hole. | Source: nasa.gov

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