Stellar Interior. Solar Facts Radius: –R = 7 10 5 km = 109 R E Mass : –M = 2 10 30 kg –M = 333,000 M E Density: – = 1.4 g/cm 3 –(water is.
Photometry. Measuring Energy Photometry measures the energy from a source using a narrow range of wavelengths. –Visual wavelengths from 400-700 nm –Narrower.
1.Our Solar System: What does it tell us? 2. Fourier Analysis i. Finding periods in your data ii. Fitting your data.