Astronomy 1210 -- March 14, 2012 (21)
Important Topics from Last Time
- Exam 2 is Friday in class
- Exam 2 Preview questions are available.
- A review session will be held this afternoon at 5:00 in Chem 304.
- Watch a Wallops Island rocket experiment tonight
- The "constellation of the week" is Leo - see also
Today's Key Topics
- Observing the universe from space
- Overview of solar system contents; the dominance of the Sun
- Jovian vs. terrestrial planets
- Minor bodies - comets, asterioids, and dust.
- Regular features of the solar system
- Environments where planetary systems are forming today
- Gravitational collapse of a diffuse interstellar cloud to make a thin flat disk
- Accretion of planets from the solid particles
- Composition vs. distance from the Sun
- Today: Cosmic Perspective Chapter 8; Sections 16.1 and 16.2
- Next Lecture: Section 8.5; Chapter 13
- Jupiter and Venus will be at their closest the next few days.
- The Moon is at Last Quarter, high in the sky in the morning.
- Mars is near opposition and just below the constellation of Leo. It
rises around sunset and Mars (and Leo) are high in the sky in the late
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)