The Sun contains 99.8 percent of the total mass of the solar system. More than a million Earths would be required to match its volume.
On average, 13,000 earthquakes are located each year.
About 500 small meteorites fall to earth every year but most fall in the sea and in unpopulated areas.
Earth is slowing down - in a few million years there won`t be a leap year.
There is zero gravity at the centre of the Earth.
Earth orbits the sun at an average speed of 29.79 km/s (18.51 miles/sec), or about 107 000 km/h (about 67,000 miles/hour).
Earth is the densest planet in the solar system and the only one not named after a god.
During a total solar eclipse the temperature can drop by 6 degrees Celsius (about 20 degrees Fahrenheit).
The largest iceberg ever recorded was 335km (208 miles) long and 97km (60 miles) wide.
The Sun is 330,330 times larger than the Earth.
More than 70% of earth`s dryland is affected by desertification.
Summer on Uranus lasts for 21 years - but so does winter.
Earth is not round; it is slightly pear-shaped. The North Pole radius is 44mm longer than the South Pole radius.