There's something very odd about this image from the Hubble Space Telescope. If you look closely, you can see two almost-mirror image, orange-colored galaxies, seemingly connected by a long filament.
SGAS J143845+145407 appears at just the right point behind a small galaxy cluster for gravitational lensing to produce two nearly perfect images of the galaxy, with the added bonus of making them both appear bigger and in greater detail.
The light from SGAS J143845+145407 traveled around 6.9 billion years to reach us. That's about half the current age of the Universe. The cluster's light traveled about 2.8 billion years.SGAS J143845+145407 is scientifically interesting because it's a luminous infrared galaxy, glowing relatively brightly due to high star formation activity.
, and study the details of the process. They found that the galaxy is pretty typical of its type, which information will be able to help contextualize and characterize other galaxies. Webb is expected to reveal even more details, but Hubble revolutionized the study of lensed galaxies. Its observations were the first to resolve details inside lensed galaxies, giving scientists an incredible new window into the early Universe.
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