quick facts
What it is: Saguaro, a lower-redshift spiral galaxy
Where it is: About 10 billion light-years away in the constellation Ursa Major
When it was shared: July 29, 2026.
Ever since NASA's James Webb Space Telescope (JWST) began science operations in 2022, something has been bothering astronomers. Scattered across JWST's deepest images of the early cosmos are tiny, crimson-colored smudges that glow brightly in infrared light but appear surprisingly compact, making them difficult to classify. These mysterious objects appear in huge numbers around 600 million years after the Big Bang before seemingly vanishing less than a billion years later.
These odd-looking "little red dots" (LRDs) left astronomer...
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