Rainier (/reɪˈnɪər/ ray-NEER) is a city in Columbia County, Oregon, United States. As of the 2020 census, Rainier had a population of 1,911. Rainier is on the south bank of the Columbia River across from Kelso and Longview, Washington.
The nucleus of this galaxy [Messier 49] is emitting X-rays, suggesting the likely presence of a supermassive black hole with an estimated mass of 5.65 × 108 solar masses, or 565 million times the mass of the Sun (M☉).