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Cosmic Optics
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- 1Cosmic Optics October Update: Asteroids, Magma Worlds and Ancient Light▼Cosmic Optics October Update: Cloudless Sulfur Skies, Magma Worlds, and Ancient Light: Cosmic Optics in October 2026 Cos
The Cosmic Optics blog has published its October 2026 update, covering topics that span from a near-Earth asteroid's surface to the oldest light in the universe. The roundup highlights cloudless sulfur skies, magma-covered worlds, and other space phenomena examined during the month, with the archive now updated for readers following the astronomy coverage.
- 2Astronomers catalog 825 galaxy cluster candidates●Astronomers have compiled a comprehensive catalog of 825 galaxy cluster and group candidates spanning a vast cosmic time
Astronomers have compiled a comprehensive catalog of 825 galaxy cluster and group candidates, stretching across cosmic history to distances of around 11 billion light-years. The team used deep infrared and optical imaging of the Boötes field to identify the candidates. The catalog offers researchers a broad dataset for studying how galaxy clusters formed and evolved over billions of years.