The Earth orbits the sun in a near circular orbit. If the the average distance from the Earth to the Sun is 149.6 billion meters. What is the mass of the sun in kg

What are similarities and differences between refraction, reflection, diffraction and absorption?

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather