Our Sun A. Main Sequence Star very average B. Structure 1. photosphere main yellow section of star a.
3. eclipses the piece that is shadowed in the part eclipsed a) solar eclipses the moon is blocking the Eas vision of the Sun. b) lunar eclipses the Eas shadow is blocking the moon.
4. umbra darkest part of the shadow penumbra lightest part of the shadow D. Tides 1. Law of gravitational attraction: moon pulls on the fluid water high moons pull lowers water level on 90degree ocean location low Moon also pulls on water and Ea and leaves water behind high 2. Every 6 hours and 13 minutes changes from Hà L 3. Spring tides sun and moon pull together, extra high tide Neap tides - sun and moon pull opposite (90 ...