20 Amazing facts about Planet Earth
20 Interesting facts about planet earth,
Amazing Facts about Planet Earth, Earth is the only planet where life is known to exist, Scientists think Earth & it's Moon formed about the same time as the rest of the solar system. They Believe that was about 4.5 billion years ago.
It is the only planet that has an environment containing 21 percent of oxygen. It is the only planet that has liquid water on its surface.
The Earth is the fifth-largest planet in the solar system. Its diameter is about 8,000 miles. And Earth is the third-nearest planet to the sun. Its average distance from the sun is about 93 million miles.
Facts About Earth:-
Planet Earth Profile-
Equatorial Diameter: 12,756 km
Polar Diameter: 12,714 km
Mass: 5.97 x 10^24 kg
Moons: 1 (The Moon)
Orbit Distance: 149,598,262 km (1 AU)
Orbit Period: 365.24 days
Surface Temperature: -88 to 58°C
Orbit & rotation
Some statistics about Earth, according to NASA:
Average distance from the sun to earth: 92,956,050 miles (149,598,262 km)
Perihelion (closest approach to the sun): 91,402,640 miles (147,098,291 km)
Aphelion (farthest distance from the sun): 94,509,460 miles (152,098,233 km)
Length of solar day (single rotation on its axis): 23.934 hours
Length of the year (single revolution around the sun): 365.26 days
Equatorial Inclination to Orbit: 23.4393 degrees
Composition & structure
Atmosphere
Earth Atmosphere Consists of 78 percent of Nitrogen, 21 Percent of Oxygen, 0.9 percent argon, and 0.03 percent carbon dioxide with very small percentages of other elements. Earth Has densest atmospheric layer, containing 90 percent of the atmosphere's total mass.
Internal Structure of The Earth
The Earth consists of four concentric layers: inner core, outer core, mantle, and crust. The crust is made up of tectonic plates, which are in constant motion. Earthquakes and volcanoes are most likely to occur at plate boundaries.