Astronomy 1210 -- April 27, 2012 (38)
Important Topics from Last Time
- Exam 4/Final is Friday May 11 at 2:00 p.m. in Clark 107
- There will be a review session on May 10 - time and place to be announc
- Finish those Labs! They only run as long as classes do (Monday/Tuesday).
- Telescope observing is rain-or-shine on Monday.
- Extra credit must be turned in by the last lecture - see the
lab information page
- The "constellation of the week" is Canis Minor - see also
Today's Key Topics
- Saturn's Moon Titan and its atmosphere
- Titan's surface - erosion and lakes. Evidence for "rainfall"
- The Discovery of Uranus and Neptune
- Neptune's large moon Triton - a preview of Pluto?
- Pluto's planetary status
- Asteroids and Meteorites
- Today: Cosmic Perspective Sections 12.1 and 12.3;
- Procyon, the star below and to the "left" of the Moon tonight is the brightest star in Canis Minor (just a 2-star constellation really). The Moon reaches first quarter Sunday.
- Watch the waxing crescent Moon this week. image here.
- 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 just past opposition and rising as the Sun sets.
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Current location of the Wide Field Infrared Survey Explorer (WISE)