How is the color of a star related to its temperature ?

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Unpolarized light of intensity i_0=750w/m^2 is incident upon two polarizers. after passing through both polarizers the intensity is i_2=280w/m^2. (a) what is the intensity of the light after it passes through the first polarizer in w/m^2? (b) write an equation for the angle between the polarizers in terms of the initial (i_0) and final (i_2) intensities. (c) find the angle between the polarizers in degrees.