Astronomy 1210 -- April 23, 2012 (36)
Important Topics from Last Time
- Exam 3 results have been posted.
- The mean was 80, so the posted score will not be adjusted.
- Answers will be posted Wednesday.
- Finish those Labs! They only run as long as classes do.
- Extra credit must be turned in by the last lecture
- The "constellation of the week" is Canis Minor - see also
Today's Key Topics
- Jovian satellites
- Io and Europa and the role of tidal heating
- Europa's global ocean
- Extremophile life
- The Cassini mission orbiting Saturn
- Saturn's rings and the Roche Limit
- Icy satellite review
- Saturn's Moon Titan and its atmosphere
- Watch the waxing crescent Moon this week. It will be passing by Venus the next couple of days.
- Jupiter is quickly getting lost in evening twilight while Venus continues to creep eastward amongst the background of stars, avoiding the Sun. Venus is in Taurus near the Pleiades and Hyades star clusters.
- Mars is prominent rising in the eastern sky in the early evening. Its red color is evident. Mars is in the constellation of Leo.
- Saturn is at opposition and rising as the Sun sets.
- Find Venus. The loop of stars above and to the "right" is the constellation Aurgia marked by the bright star Capella.
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Current location of the Wide Field Infrared Survey Explorer (WISE)