Mysterious, Dusty Galaxy Puzzles Scientists

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Mysterious, Dusty Galaxy Puzzles Scientists

The star-forming galaxy is known as A1689-zD1, and provides clues as to the formation of our own solar system. Astronomers now speculate that the space dust from which we are all made could have accumulated much earlier than previously thought, writes Amina Khan of the Los Angeles Times.

A1689-zD1: Extremely distant galaxy

The study of extremely far away space objects allows scientists to look back in time. If you take a photo of the sun from Earth, the picture actually shows the sun as it was 8 minutes ago because it takes that amount of time for light from the sun to reach Earth. By observing a galaxy that is billions and billions of light-years distant, we actually see how it was billions of years ago.

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The issue with these extremely distant objects is that they are hard to observe because they are very faint, which makes seeing back into the early stages of the universe’s 13.8-billion-year history a tough proposition. Fortunately A1689-zD1 was picked up by astronomers because the light that it emits is being bent by a massive galaxy cluster known as Abell 1689.

Not only does Abell 1689 bend the galaxy’s faint light, it also ampli