Planets & Stars, Sun & Planets

UNIVERSE The Universe includes everything that exists, from large Galactic Mega clusters to small subatomic particles. Scientists believe the Universe is approximately 13.79 billion years old. The Universe is comprised of a number of galaxies. Studies show that there...

Universe | Solar System and Planets

SOLAR SYSTEM What is it? The gravitational bound system of the Sun + objects that orbit it (directly or indirectly). What does it consists of? The sun Everything bound to it by gravity, such as: the planets (Planets in order) Mercury, Venus, Earth, Mars, Jupiter,...