The next question

Q: How much does the Sun weigh?
A: The Sun is 875,000 miles across, or 1,392,000 kilometers! It could fit 2 million Earths inside it. The Sun weighs about 2,000,000,000,000,000,000,000,000,000,000 kilograms. 

Q: Why do some people have allergies and other people don't?
A: Your parents have different genes that you get so if they have an allergy to peanuts then you might, too.