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

The Nice (“Neese”) Model Movie from (doesn’t play in PowerPoint)

Hunting planets Radial velocity (Doppler shifts)

Radial Velocity Animation from

Radial Velocity: elliptical orbits Animation from

Hunting planets Radial velocity (Doppler shifts) Astrometry Transits

Transiting planets Image from

Hunting planets Radial velocity (Doppler shifts) Astrometry Transits Direct detection

Fomalhaut b: A directly imaged planet? Image from

The Sun Images from