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Private Notes
The Cassini spacecraft has been at Saturn for six months. Patrick also discusses Cassini's probe Huygens, which will be sent to Titan on Christmas Day.
Having hitched a ride on the Cassini spacecraft, the Huygens lander touched down on Saturn's moon Titan on 14 January 2005. On its way to the surface, radar images revealed seas of liquid methane and ethane. Chris visited ESA's headquarters in Darmstadt, Germany, to witness the arrival of the first results, while Patrick marvelled at the incredible images of Titan's shores, rivers and lakes that look remarkably like those on Earth.
Comets are thought to come from the Kuiper Belt and the Oort Cloud at the edge of our Solar System.
Sir Patrick hosts a star party at his house in Selsey.
In its 15 years, Hubble has revolutionised astronomy with its amazing insight into our Universe. Patrick looks back on its highs and lows.
Patrick talks to Scotland's Astronomer Royal, Prof John Brown, about the latest solar mission RHESSI, which is observing violent outbursts from the Sun.
NASA is sending an explosive probe into Comet Tempell on 4 July. This is a unique event, from which we hope to find out how comets are constructed.
July 4th 2005 a small copper impactor from the NASA Deep Impact spacecraft was released in the path of Comet Tempel 1, causing a collision that released fresh ice and dust, allowing astronomers for the first time to study pristine material from the formation of our solar system. Sir Patrick Moore is joined by leading comet experts who describe the science and importance of this historic achievement. While co-host Chris Lintott interviews British astronomer Richard Ellis at Palomar Mountain, California who is in charge of the observatory where professional astronomers using the historic Hale 200-inch telescope, and a team of amateur astronomers including Scott Roberts, Tony Cook, Russ and Stephanie Tanton, Dan Dickerson, John Downs, Mike West, and others who visually and photographically witnessed the actual point of impact.
Planets around distant stars have recently been discovered and Solar Systems like our own could be widespread, but is life on Earth unique?
Discussing two of the most comprehensive surveys for mapping stars: 2dF and the Sloan Digital Sky Survey.
Earlier this month, astronomers from around the world converged on Cambridge to discuss the latest planetary research. Chris Lintott reports.
Patrick hosts a Mars party, while Chris reports from Madrid on the dramatic annular eclipse.
The Celestial Zoo contains stars as small as Earth and others tens of thousands of times brighter; Patrick celebrates 10 years of SOHO.
