Touya Kun Active member Oct 28, 2024 #1 Red galaxies are incredibly bright in the infrared spectrum and are thought to be dominated by old stars. Their red color indicates that they are moving away from us, a result of the universe's expansion.
Red galaxies are incredibly bright in the infrared spectrum and are thought to be dominated by old stars. Their red color indicates that they are moving away from us, a result of the universe's expansion.
Their red color indicates that they are moving away from us, a result of the universe's expansion. 
