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December 19, 2025
Day 19 of the 2025 Space Telescope Advent Calendar: The Sombrero Galaxy
Day 19 of the 2025 Space Telescope Advent Calendar: The Sombrero Galaxy. First discovered in 1781 by the French astronomer Pierre Méchain, the Sombrero Galaxy lies about 30 million light-years away, and is well known for its distinctive dark ring of dust, seen here edge-on.
TL;DR
- The Sombrero Galaxy is featured on Day 19 of the 2025 Space Telescope Advent Calendar.
- It was first discovered in 1781 by French astronomer Pierre Méchain.
- The galaxy is located about 30 million light-years away.
- It is known for its distinctive dark ring of dust, seen edge-on in the image.
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