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Earth
600px-North America from low orbiting satellite Suomi NPP-1-

The Earth
Name of Planet Earth
Discovered by Humanity
Date of Discovery Antiquity
Atmospheric Makeup 78% nitrogen,
20.5% oxygen
0.9% argon
0.04% carbon dioxide
Distance from Sun 93 million miles/150 million km from the Sun (1 astronomical unit)
Diameter 7926 miles
12,742 kilometers
Volume 1 trillion cubic kilometers
Axial tilt 23.4 degrees
Orbit 365.25 (1 year) Earthen days
Position in Solar System Third planet from Sun
Surface Features 29.2% land 70.8% water
Albedo (geometric) 0.367
(bond) 0.306
Aphelion 95.06 million miles
152 million km
Perihelion 91.936 million miles
147 million km
Mass of Planet 5.974 x 10^24 kg
Escape Velocity 11.12 kilometers/second

Earth[]

About 70% of the surface is covered in salt water oceans, and the remainder consists of continents and islands. There is significant interaction between the earth and its space environment. The relatively large moon provides ocean tides and has gradually modified the length of the planet's rotation period. A cometary bombardment during the early history of the planet is believed to have formed the oceans. Later, asteroid impacts are understood to have caused significant changes to the surface environment. Changes in the orbit of the planet may also be responsible for the ice ages that have covered significant portions of the surface in glacial sheets.

The Earth's natural orbiting Satellites are Luna and Cruithne.

The earth is where we live, if the earth were not in the place it is on the solar planet, we would not exist.

History[]

Earth history refers to the development of planet Earth and covers about 4.5 billion years—approximately one-third of the age of the universe, of the 13,700 Ma estimated since the Big Bang—from its formation to the present day.

Curiosities[]

  • The Earth is actually not spherical.
  • Coral reefs are the largest living structure on Earth.
  • The interior of the Earth is not solid.
  • Our planet is like a ball that bulges and returns to its shape.
  • The largest ice sheet on Earth is located in Antarctica.
  • Latin america
    The Moon is moving away from the Earth.[1]

References[]

Latin america

space.about.com - Earth - Pictures and Astronomy Facts

External links[]

Gallery[]

 The Solar System v·d·e 
Solar System XXVII
The Sun · Mercury · Venus · Earth · Mars · Ceres* · Jupiter · Saturn · Uranus · Neptune · Pluto* · Haumea* · Makemake* · Eris* · Dwarf Planet Candidates*
Planets · Dwarf Planets · Moons: Terran · Martian · Asteroidal

· Jovian · Saturnian · Uranian · Neptunian · Plutonian · Eridian

'Ceres * Pluto * Haumea * Makemake * Eris
Small bodies:   Meteoroids · Asteroids (Asteroid belt) · Centaurs · TNOs (Kuiper belt/Scattered disc) · Comets (Oort Cloud)
Hypothetical Bodies:   Vulcan · Planet 9 · Planet 10 · Tyche · Nibiru · Nemesis · more...
Planets with '*' are dwarf planets.
See also astronomical objects and the solar system's list of objects, sorted by radius or mass.

References[]

Continents[]

  • North America
  • South America
    • Argentina
    • Bolivia
    • Brazil
    • Peru
    • Urugray
    • Venezuela
  • Europe
  • Asia
  • Africa
  • Oceania
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