Images of Spiral Galaxy M100 before and after Hubble's first servicing mission

Images of Spiral Galaxy M100 before and after Hubble's first servicing mission

Twenty years ago NASA launched the Hubble Space Telescope. The lead astrophysicist on the history of the Hubble, how it has forever changed our view of the universe and why he believes there’s life beyond Earth.


  • Edward Weiler an astrophysicist and leading scientist at NASA. He served as chief scientist of the Hubble Space Telescope from 1979-1998. Currently he is the associate administrator for NASA's Science Mission Directorate. He is the author of "Hubble: A Journey Through Space and Time."

Related Links

Topics + Tags


comments powered by Disqus
Most Recent Shows

Erika Christakis: “The Importance Of Being Little”

Wednesday, Feb 10 2016Walk into a pre-school classroom in America today and Erika Christakis says it’s likely you’ll see some familiar décor: alphabet charts, bar graphs, calendars, and schedules. It’s all part, says the expert in early child education, of a nationwide drive to make sure kids are ready for school at a younger and younger age.

Analysis Of The New Hampshire Primary

Wednesday, Feb 10 2016New Hampshire holds the nation's first primary election. The winners, the losers and what the results could mean for the presidential candidates vying for the Democratic and Republican nominations.

Improving Doctor-Patient Communication In A Digital World

Tuesday, Feb 09 2016Poor communication between doctors and patients is widely seen as a problem in American healthcare. Now more and more healthcare providers are giving patients new ways of accessing doctors to ask questions or express concerns. In the age of email, texting, video chatting and social media, a look at the promise and limitations of digital communication to improve patient experiences and outcomes.

What’s Behind Trends In U.S. Violent Crime Rates

Tuesday, Feb 09 2016Violent crime rates in the U.S. have dropped dramatically over the last twenty years, but FBI data suggest there was a slight uptick in the first half of last year. What led to the remarkable long-term decline in violent crime in the last two decades in U.S. and what are the prospects the trajectory can continue?