Astronomy 1210 -- February 20, 2012 (14)
Important Topics from Last Time
Today's Key Topics
- Action/Reaction and Rocketry
- Newton's Law of Gravitation
- Getting quantitative with orbital equations
- Why different mass objects fall at the same rate
- Orbits, falling and weightlessness
- Artificial satellites and low-earth orbit
- Geostationary orbit
- The Moon is new tomorrow. There's no way to see it. Fasten your seat belts for a great sky show beginning Wednesday evening as the Moon re-appears as a crescent in the western evening sky.
- Look for the ecliptic in action with Venus and Jupiter defining a line across the sky that will be visited by Mercury and 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.
Home - Notes - A - APOD - BA - SN - SW - ST - I - S - T - W - B
National Weather Service Current Forecast
Current location of the Wide Field Infrared Survey Explorer (WISE)