Joner led the way to the observing area — a large, dome-shaped room occupied only by the observatory’s centerpiece: the DFM Engineering 0.91-m f/5.5 Ritchey-Chrétien reflecting telescope.

Back in January, we selected the Vera C. Rubin Observatory as one of our 10 Breakthrough Technologies of 2025. Read more about why it’s such a promising tool for enhancing our understanding of ...

The Rubin Observatory released its first batch of images on June 23, 2025 as it had scanned the night skies only a few days prior, finding over 2,000 asteroids in the process.