The team started with unreleased images from Herschel. And while Herschel observations revealed much about the dust in our Universe, limits in the telescope’s design meant it missed up to 30% of all the infrared light that reveals the dust on our Universe. To help fill in those gaps, researchers combined their observations with data from the three other retired missions, supplemented with additional data from several different radio telescopes.
“The dust clouds observed by space telescopes are constantly shaped and molded by exploding stars, stellar winds, and the effects of gravity,”“Almost half of all the starlight in the universe is absorbed by dust. Many of the heavy chemical elements essential to forming planets like Earth are locked up in dust grains in interstellar space. Understanding dust is an essential part of understanding our universe.
The first image is of the Large Magellanic Cloud. It shows a red tail coming off the bottom left of the galaxy that was likely created when it collided with the Small Magellanic Cloud about 100 million years ago. The areas of red indicate hydrogen, the most common element in the Universe. Where cocoons of empty space are indicates regions where stars have recently formed, because intense winds from the newborn stars blow away the surrounding dust and gas.
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