Astronomers looking at Vera C. Rubin Observatory test data have discovered 'Aquarius IV', believed to be a brand new satellite galaxy of the Milky Way located 350,000 light-years away.

Source: [Live Science](https://www.livescience.com/space/astronomy/vera-rubin-observatory-detects-one-of-the-smallest-and-faintest-satellite-galaxies-ever-seen-before-the-telescopes-mission-even-began)

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