Astronomy 1210 -- February 24, 2012 (16)
Important Topics from Last Time
- Good weather for the next few days. See Mercury, follow the Moon.
- Exam 2 Preview questions are available.
- The "constellation of the week" is Cassiopeia - see also
Today's Key Topics
- Seeing artificial satellites for yourself
- Tides and the changing length of the day.
- Why only one side of the Moon is visible from Earth.
- Introduction to Electromagnetic radiation
- Photons and Electromagnetic Waves - Wavelength and Frequency
- Types of spectra
- The early evening sky show continues tonight tonight as the Moon approaches Venus and Mercury becomes more visible.
- Look for the ecliptic in action with Mercury, Venus and Jupiter defining a line across the sky that will be followed by the Moon over the next several days.
- Look for Venus in the western evening sky (you can't miss it) and Jupiter high overhead in the early evening, now approaching Venus in the west day by day.
- Cassiopeia is the "W" of stars nigh overhead toward the North in the early evening.
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National Weather Service Current Forecast
Current location of the Wide Field Infrared Survey Explorer (WISE)