Hawking’s theory says that there are super low-energy waves that the black holes emit, and thus a spread of particles passes their event horizon. Until proven, Einstein’s theory still stands: there is nothing that can escape the gravitational power of a black hole, not even light.

This is actually how the black hole gets its name: by comparing it to the Black Hole of Calcutta, the notorious prison where people entered but never left alive. So, until Hawking escapes the event horizon Einstein’s theory, we’ll stick to that: nothing gets out from the vertigo of a black hole.

The ocean black hole

A similar space event occurs on Earth. In the southern region of the Atlantic Ocean, a ‘more substantial than a city’ spiraling was found by scientists. And they mathematically concluded that it is a similar vortex to the one called a black hole. Just as the latter doesn’t even let light escape, the oceanic twin doesn’t let water.

The phenomenon was first observed in 2013 by the researchers at ETH Zurich and the University of Miami. A sequence of satellite observations from the Southern Atlantic Ocean made it visible. Because it was never seen before, it was considered an anomaly. It still is.

It is a kind of eddy. In fluid dynamics, a vortex is the swirling of a fluid and the reverse current created when the fluid is in a turbulent flow regime. The phenomenon is naturally observed behind large emergent rocks in swift-flowing rivers. In the ocean, they range in diameter from centimeters to hundreds of kilometers. The name of the more significant kind is ‘more substantial than a city’ spiraling.

The eddies can swirl billions of tones of water against the primary current. Usually, they may last for seconds, while the more significant features may persist for months to years. “But black hole-like ocean eddies are surprisingly stable. They serve as water taxis for microorganisms, oil, and plastic waste from one part of the ocean to another.”

(YouTube channel Bright Side)

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