Telescopes

141: Eyes on the back of your head with Dr. Tholen

Dr. Dave Tholen  talks about near-Earth asteroids. He explains why they can be difficult to observe, and how he manages to spot them anyway. He also tells the story of a particularly famous asteroid that he discovered, and sets the record straight about its name.  Hear the performance of "Pirates of the Caribbean"  here .  Image:  Graphic  showing the path of asteorid 99942 Apophis changing after a close pass with Earth.

Dr. Dave Tholen talks about near-Earth asteroids. He explains why they can be difficult to observe, and how he manages to spot them anyway. He also tells the story of a particularly famous asteroid that he discovered, and sets the record straight about its name.

Hear the performance of "Pirates of the Caribbean" here.

Image: Graphic showing the path of asteorid 99942 Apophis changing after a close pass with Earth.

132: Introducing people to the reach of infinity with Tim Thompson

Tim Thompson , former JPL scientist and member of the Mt. Wilson Institute Board of Trustees, talks about the Mt. Wilson Observatory. He explains why he doesn't operate the Mt. Wilson telescopes himself, and tells us why astronomers hate the twinkling of the stars. This episode was recorded on location, and Tim talks about the many public events offered at Mt. Wilson.  Learn more about Mt. Wilson and see upcoming events at  www.mtwilson.edu.    Image: 1909 image of the dome housing the 60 inch reflector telescope.

Tim Thompson, former JPL scientist and member of the Mt. Wilson Institute Board of Trustees, talks about the Mt. Wilson Observatory. He explains why he doesn't operate the Mt. Wilson telescopes himself, and tells us why astronomers hate the twinkling of the stars. This episode was recorded on location, and Tim talks about the many public events offered at Mt. Wilson.

Learn more about Mt. Wilson and see upcoming events at www.mtwilson.edu.

Image: 1909 image of the dome housing the 60 inch reflector telescope.

80: Places where people can have adventures with Br. Consolmagno

Brother Guy Consolmagno  shares a Coke and talks about the  Vatican Observatory , a discovery that got him in trouble with the Voyager team, and why being next to a dairy farm was convenient when he wanted to measure the properties of meteorites.

Brother Guy Consolmagno shares a Coke and talks about the Vatican Observatory, a discovery that got him in trouble with the Voyager team, and why being next to a dairy farm was convenient when he wanted to measure the properties of meteorites.

True color image of Jupiter's moon Io, taken by the Galileo Spacecraft. Image- NASA/JPL-Caltech.

True color image of Jupiter's moon Io, taken by the Galileo Spacecraft. Image- NASA/JPL-Caltech.