More specifically, ALMA is a combination of 66 radio telescopes spread out across the high-altitude Chilean Andes. It was a shattering merger that occurred when the universe was at just 40% its current age, and our remarkable view of its incident is courtesy of the world's largest radio telescope, the Atacama Large Millimeter/submillimeter Array situated in Chile. What you're seeing is proof that some 20 billion years ago an ultrapowerful neutron star collided with a weaker star, spitting out an explosive, short-lived gamma ray burst, rippling gravitational waves across the cosmos and diffusing surrounding space with a potent afterglow. It's the brightest neon blob of all, and it enhances with each frame.
But right at the center of this recording, one smudge isn't like the others.
On Wednesday, astronomers presented us with a mysterious video: footage decked with lime green smudges steadily evolving on a dark background.
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