Antares is about 420 million kms in diameter, which is 300 times the width of the sun.
Amazing fact: Saturn
Saturn is the flattest planet in the solar system: its polar diameter is only 90% of its equatorial diameter.Jupiter, Saturn, Uranus and Neptune are made up of just gas with no solid surface to land on.
Amazing fact: Earth
The Earth is expected to be effectively habitable for about another 500 million years.
Amazing fact: Moon
The moon is one million times drier than the Gobi Desert.
Amazing fact: Andromeda
The Andromeda Galaxy is the largest galaxy of the Local Group, which also contains our own galaxy (Milky Way).
Amazing fact: Asteroid
In the orbits of the planets Mars and Jupiter is the largest group of known asteroids - the area known as the asteroid belt. It has been estimated that asteroid belt contains between 1.1 and 1.9 million asteroids larger than 1 km (0.6 mi) in diameter.