Why are Albert Einstein's discoveries important?

What is waxing and wan? How many planets were there in 1776? Is the Hebrew calendar based on the lunar calendar? Is there a month with 2 full moons and if which one? Is it 0 am or 12 am? What does you could cut the atmosphere with a knife mean? What does the southern cross in the Astrualian falg mean? Can you have a list of descriptive words to describe the sun? Why can't a hot air balloon rise higher than it does? A constellation is that forms a pattern resembling animals mythological characters or objects? How far is the star Graffias from the earth? What Is the part of the microscope that revolves and holds the objectives? How the Van Allen belts provide us with magnetic sunscreen? Is the cycle of the phases of the moon the basis or our months? What constellation means love? What do you call a metal object that revolves around the sun? What planet was the first to be discovered? If the 10 August 1991 was a Saturday then what day of the week will this be after three years? What is used to determine the distance to nearby stars? What type of star is Gamma Hydrae?