On Thursday, a team of scientists announced that they had detected a phenomenon called gravitational waves for the first time.
Rumours are circulating that the discovery is worthy of the prestigious Nobel Prize in Physics because it gives humans a brand new way to study our universe.
Gravitational waves are ripples in the universe that contract and expand the spacetime around them. Scientists detected them by measuring this distortion as one of these waves passed through Earth using the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO).
But doing so was extremely difficult, and what scientists discovered upon detecting these waves is nothing short of extraordinary. Check out some mind-boggling facts about these waves and this latest discovery:
Gravitational waves were first predicted by Albert Einstein 100 years ago. It's taken that long for our technology to catch up to his brilliance and confirm the theory.
Gravitational waves contract and expand the fabric of space-time, but only by a very small amount. The LIGO instruments (one shown below) are designed to detect a distortion that is 1 million times smaller than the width of a hydrogen atom.
Gravitational waves allow us to detect -- for the first time -- when two black holes are about to collide. The signal that LIGO scientists discovered from such a collision, released 50 times more energy in the form of gravitational waves than all of the power put out by all of the stars in the universe put together!
But it's not just black holes that emit gravitational waves -- it's any two bodies in orbit. That means the Sun and Earth emit gravitational waves too. But those waves carry 100 billion times less energy than two merging black holes, making it impossible to detect with current technology.
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