Slide 1Distances in the Solar System Solar System in the Milky Way Stars Interstellar matter Shape of the Galaxy Slide 2 Recap Midterm results – Grade histogram – Course…
Slide 1 Range of human hearing: 20 Hz – 20,000 Hz Sensitivity Threshold for hearing: 1 10 -12 Watt/m 2 Increase of pressure on eardrum 0.00003 Pascals (N/m 2 ) above…