As one of the popular tv shows said, Earth is „The third rock from the Sun“. So, how much do you really know about the planet we all call home?
Pedology
Palaeography
Geology
There's no such science
Magnesium
Aluminium
Calcium
Strontium
Nitrogen
Argon
Oxygen
Carbon dioxide
December
July
March
January
4.53 billion years
4.54 billion years
4.55 billion years
4.56 billion years
9,655
12,756
7,904
6,542
Rodinium
Ur
Pangaea
Earth
Jovian
Asteroid
Gas giant
Terrestrial
Vredefort Ring
Clearwater Lakes craters
Caloris basin
Barringer Crater
Eurasia basin
Marianas trench
Puerto Rico trench
Java trench