What is the Solar System?
Q: What is the Solar System?
A: The Solar System is the Sun and all of the objects that orbit around it, such as planets, asteroids, comets and other things.
Q: How old is the Solar System?
A: The Solar System is about 4.6 billion years old.
Q: What makes up most of the mass in the Solar System?
A: The Sun makes up 99.9% of the mass in the Solar System.
Q: How many planets are there in the Solar System?
A: There are eight planets in the Solar System - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
Q: What type of moons does Saturn have?
A: Saturn has one moon called Titan which has an atmosphere mainly composed of nitrogen.
Q: Who proposed a heliocentric model for our universe?
A: Aristarchus of Samos proposed a heliocentric model for our universe where he believed that the Sun was at its center. He is sometimes known as "the Greek Copernicus".
Q: How many moons are there in total in our solar system?
A: There are approximately 200 moons orbiting around six of our planets and six largest dwarf planets in total throughout our solar system.
