How fast is the universe expanding? A new ScienceCast video from NASA explains more about Hubble’s Constant, which is the name given by astronomers to the rate of the expansion of the universe.
Rod is a blogger, writer, filmmaker, photographer, daydreamer who likes to cook. Rod produces and directs the web series, CUPIC: Diary of an Investigator. He is also the editor, producer and administrator of TNC Network.