Centennial, CO Night Sky Brightness
What the night sky looks like over Centennial, CO
Satellite radiance puts Centennial in the urban band. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Centennial's sky is brighter than 98.4% of the 3,206 cities in this dataset.
The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class - the Bortle scale guide covers why.
The nearest darker sky to Centennial
3 miles from Centennial, straight-line, sits Greenwood Village, CO, the nearest city here with a darker sky than Centennial's own urban band.
Greenwood Village, CO is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Centennial against the rest of the dataset
Centennial, CO has a population of about 108,853, one of 3,206 US cities of 10,000 or more residents in this dataset. Among all 3,206 cities here, Centennial ranks 3,136 from darkest to brightest, 1 being the darkest measured, by the sampling the methodology guide documents.