JUPITER

 

• Jupiter Is The Fastest Spinning Planet In The Solar System.
• A year on Jupiter is the same as 11.8 Earth years
• Jupiter is the fourth brightest object in our solar system after the Sun, Moon and Venus.
• Jupiter is the largest planet in the Solar System.
• Approximately 1300 Earths can fit inside of it. In fact, its mass is twice the combined mass of all the remaining planets in our solar system.
• Jupiter has the Largest moon in the Solar system.
• Jupiter is a gas giant because it is made mostly of gases hydrogen and helium.
• Jupiter has rings, but they are too faint to see very well.
• The first person to actually view Jupiter in a telescope was Galileo.

If the telescope was invented in 1608, how come we know about the 9 planets since ages?