Hubble Took Its Time Watching This Galaxy - Universe Today
Image credit: Hubble The latest image released from the Hubble Space Telescope is of the spiral galaxy NGC 3370, located in the constellation Leo. The galaxy was imaged because astronomers wanted to observe Cepheid variable stars – special stars which brighten and dim at a known rate and are used to calculate distances to objects. … Continue reading "Hubble Took Its Time Watching This Galaxy"