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The Missing Methane
Topic: Titan
03/09/05
Summary: Arizona's Jonathan Lunine presented a lecture entitled "Titan: A Personal View after Cassini's first six months in Saturn orbit" at a NASA Director's Seminar on January 24, 2005. Lunine discusses the question of missing methane in an edited transcript of Part 2.

Investigating Titan's Surface
Topic: Titan
03/02/05
Summary: Jonathan Lunine, a professor of planetary science and physics at the University of Arizona's Lunar and Planetary Laboratory in Tucson, Arizona, is also an interdisciplinary scientist on the Cassini/Huygens mission.

Drive-by Titan
Topic: Titan
02/24/05
Summary: During its multi-year orbit of Saturn, the Cassini probe will revisit remotely the resting place for its long-time companion, the Huygens descent pod. During its recent third close flyby, the details surrounding the strange landscape became a region of great interest to scientists back on Earth.

Long-view to Titan
Topic: Titan
02/24/05
Summary: New images from Saturn's largest moon, Titan, reveal a view from the large, terrestrial telescope in the southern hemisphere. The famous "Titan smile" is visible along with a perspective on where last month's landing took place.

Titan Rising, Part II
Topic: Titan
02/22/05
Summary: Just over a month ago, the European Space Agency's Huygens probe descended through the atmosphere of Saturn's giant moon Titan. The probe sent back stunning close-up images of a world never before seen is such detail.

Titan Rising, Part I
Topic: Titan
02/20/05
Summary: Just over a month ago, the European Space Agency's Huygens probe descended through the atmosphere of Saturn's giant moon Titan. The probe sent back stunning close-up images of a world never before seen is such detail.

Titan's Ringtones
Topic: Titan
02/18/05
Summary: The microphone onboard the Huygens probe captured the descent turmoil durings its descent to Saturn's largest moon, Titan. The rapid tone changes give hints at what fast, supercold winds greeted the arriving science package.

Titan's Huge Crater from Radar
Topic: Titan
02/17/05
Summary: Scientists are excited to employ both radar and direct imaging to connect surface features on Saturn's largest moon, Titan. One surprising feature found has been the first craters from the impact of a large comet or asteroid. Such craters help planetary scientists determine the age of the crust.

Titan Wind Mystery Settled from Earth
Topic: Titan
02/08/05
Summary: In a fortuitous turnabout, large ground-based telescopes have provided data needed to measure the winds encountered by the Huygens spacecraft as it descended through the atmosphere of Saturn's moon Titan last month.

Does Titan Rain Methane?
Topic: Titan
01/25/05
Summary: As director of the Planetary Science Laboratory in the University of Michigan College of Engineering, Professor Sushil Atreya discusses the fate of carbon-based transformations on Titan. In this initial interview, Atreya describes why methane on Mars means different things to what might be happening on Titan.

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