Cassini/Huygens to Saturn

20 Years After Voyager

After School Astronomy ClubsLou Mayo / NASA/GSFC

May 18, 2004

Oct 8, 2004

May 1, 2003

Saturn’s Movement Through the Sky

Nov 16, 2004

Galileo's sketch of 1616 and engraving in The Assayer of 1623.

Christiaan Huygens

Giovanni Cassini

Christian Huygens Sketches of Saturn ~ 1640

1659, Systema Saturnium ("The Saturnian System")

Voyager

Moons

Titan IVB/Centaur occured at 4:43 a.m. EDT, October 15, 1997

Jupiter 5m Methane

Composite Infrared Spectrometer (CIRS) vs. Voyager IRIS

Jupiter Radio Emission

Cassini SaturnApril 16, 2004727nm Methane24 million miles

110K 70K 90K

Prometheus

Pandora

Cassini F ring35 million miles

water ice

hydrocarbons

2 m 2.8 m 5 m

CH4 Cloudr >>0.1 m

150k

m

300km

Probe material prepared by Shaun StandleyESA Huygens Systems Engineer

The Huygens Probe Mission

E/PO material prepared by Jane Houston Jones, Cassini-Huygens Outreach