By Chandrayee Roy Choudhary, Canada: On Thursday the world got a look at the first wild but fuzzy image of the supermassive black hole at the centre of our own Milky Way galaxy.
Astronomers believe nearly all galaxies, including our own, have these giant black holes at their centre, where light and matter cannot escape, making it extremely hard to get images of them. Light gets chaotically bent and twisted around by gravity as it gets sucked into the abyss along with superheated gas and dust.
Most black holes are created when a massive star dies and collapses in on itself, though astronomers are still trying to determine how supermassive black holes form. They are extremely dense regions of space with a gravitational field, where anything that crosses their threshold — known as the event horizon — gets pulled in, never to return. This includes light, which is why black holes are so notoriously difficult to detect, unless they're interacting with a nearby star.
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