One of the key pieces of technology that has enabled space exploration is the Hubble Space Telescope. Astronomy contributor Jean Creighton, who also leads UW-Milwaukee's Manfred Olson Planetarium, celebrates the telescope's four most important contributions in her current program: Hubble's Cosmic Quest.
"I think most people don't realize that there are dozens of space telescopes in space, and furthermore, the first one went up in 1965," says Creighton. "So these have been there, it's just that I think the Hubble made a real point, a real effort to connect to everybody."
For our astronomy segment this month, Creighton talks about one of the four major ways the Hubble Space Telescope has helped advance our understanding of the universe - how we now better understand the past, present, and future of the universe and how it expands: