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Stay on track with homework deadlines, review lectures, or ask astronomy questions. Learn about Solar System formation and planet hunting techniques. Important resources included.
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Next week is the last section! • Homework 6 is due next week in section • Planet Walk “Extra credit” assignment is due by 12:10 next Friday (Slope Day) – but it’s optional • We can go over the last week of lectures OR • You can ask me any astronomy and planetary science questions you have
Solar System formation • Cloud of interstellar gas/dust • Protostar + disk • Planetary embryos, planetesimals • “Heavy Bombardment”/ “Late Heavy Bombardment” • Planets, asteroid belt, Kuiper Belt, Oort Cloud Image from http://www.astro.psu.edu/users/niel/astro1/slideshows/class43/slides-43.html
The Nice (“Neese”) Model Movie from http://www.skyandtelescope.com/skytel/beyondthepage/8594717.html (doesn’t play in PowerPoint)
Hunting planets • Radial velocity (Doppler shifts)
Radial Velocity Animation from http://www.astro.sunysb.edu/mzingale/software/astro/
Radial Velocity: elliptical orbits Animation from http://www.astro.sunysb.edu/mzingale/software/astro/
Hunting planets • Radial velocity (Doppler shifts) • Astrometry • Transits
Transiting planets Image from http://www.nasa.gov/mission_pages/kepler/multimedia/images/aas_conference.html
Hunting planets • Radial velocity (Doppler shifts) • Astrometry • Transits • Direct detection
Fomalhaut b: A directly imaged planet? Image from http://www.princeton.edu/~willman/planetary_systems/Fomalhaut/
The Sun Images from http://www.daviddarling.info/encyclopedia/C/convective_envelope.html