By Harvey Sapigao
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A black hole inside an accretion disk. (Photo credit: BoliviaInteligente on Unsplash) |
In 1916, Albert Einstein theorized that two merging black holes create ripples in the spacetime fabric, similar to how a pebble creates ripples in a pond. These ripples, called gravitational waves, stretch and squeeze spacetime in amounts so minuscule that they were once believed to be too faint to detect.
