Name three properties of the solar nebula still seen in planet orbits.
What will be an ideal response?
Question 2
Sunsets are red because
A) the Sun emits more red light when it's setting.
B) sunlight must pass through more atmosphere then, and the atmosphere scatters even more light at bluer wavelengths, transmitting mostly red light.
C) sunlight must pass through more atmosphere then, and the atmosphere scatters more light at red wavelengths than bluer wavelengths.
D) the cooler atmosphere in the evening absorbs more blue light.
E) none of the above