Astronomy 1210 -- April 20, 2012 (35)
Important Topics from Last Time
- Exam 3 results will be posted by Monday at worst.
- 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 Auriga - see also
Today's Key Topics
- Cross contamination between worlds with meteorites
- Jovian atmospheres, clouds, and interiors
- The source of the Sun's energy
- Solar Neutrinos
- Jovian satellites
- Io and Europa and the role of tidal heating
- Europa's global ocean
- Extremophile life
- Today: Cosmic Perspective Sections 11.2
- The Moon is a new tomorrow. Look for a thin sliver of a crescent moon just above Jupiter on Sunday evening. Plan on watching the Moon advance through it's early phases over the next week.
- The Lyrid Meteor Shower peaks Saturday night.
- Look for Orion standing upright in the southwest as it gets dark. This will be the last time Orion will be visible as it passes behind the Sun and then will emerge in the morning sky in August.
- 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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National Weather Service Current Forecast
Current location of the Wide Field Infrared Survey Explorer (WISE)