Messier Marathon Admin: • Assignment 15 complete (10% penalty/day if you're late) Second mid-term Wednesday April 23rd Covers chapters 5, 10 and 11 Revise! NOTE: today…

1. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 Welcome to Who Wants…

1. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 $1 Million $500,000 $250,000 $125,000 $64,000 $32,000 $16,000 $8,000 $4,000 $2,000 $1,000 $500 $300 $200 $100 Welcome to Who Wants…

Slide 1Perceiving the World Slide 2 What are perceptual constancies, and what is their role in perception? What basic principles do we use to group sensations into meaningful…

Slide 1A. Cellino & S. Bagnulo - Helsinki, 19-21/08/2013 INAF --Osservatorio Astrofisico di Torino Spectro-Polarimetry as a potentially powerful tool for asteroid studies…

Slide 12 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt The Sun Stars and Galaxies PlanetsGrab…

Slide 1What determines Luminosity? Stephans law: Power radiated depends on Temp to the 4 th power! Stephans law: Power radiated depends on Temp to the 4 th power! L (Luminosity)…

Slide 1Our Place in the Cosmos Lecture 11 Understanding Stars - the H-R Diagram Slide 2 Understanding Stars We saw in the last lecture that by measuring the brightness, distance…

Slide 1If a star is very hot, the electrons will be freed from the hydrogen atom. (Ionized) Once they are free, they act like particles and emit a continuous spectrum. If…

Slide 1Announcements Project status reports on Wednesday prepare 5 minute ppt presentation should contain: –problem statement (1 slide) –description of approach (1 slide)…