The Astronomic symbol for the Earth is a circle with a cross in the center of it.
There is an example on this website:
http://en.wikipedia.org/wiki/File:Earth_symbol.svg
The Earth's symbol is a vertical X, but upward, with a perfect circle around it!!
Earth's symbol is a circle with a plus sign in it.
It is Earths' "Magnetosphere".
Earth's precession
why do you think scientists study earths interior?if you were a scientists ,will you undertake a study of the earths interior?
The earths crust is a part of the outermost layer.
mesosphere
earths major plates
A small or lower case g g = approximately 9.81 metres per second squared, or metres per secon, per second.
Mercury's mass = 0.055 x Earths, Volume = 0.056 x Earths Mars' mass = 0.1075 x Earths, Volume = 0.151 x Earths Venus' mass = 0.815 x Earths, Volume = 0.857 x Earths (Earth) mass = 1 x Earths, Volume = 1 x Earths Uranus' mass = 14.536 x Earths, Volume = 63.086 x Earths Neptune's mass = 17.147 x Earths, Volume = 57.74 x Earths Saturn's mass = 95.152 x Earths, Volume = 763.59 x Earths Jupiter's mass = 317.8 x Earths, Volume = 1321.3 x Earths
earths tempertures
earths matter is gas
the earths moon helps sustsian the gravity on the earths oceancs keeping them in balance
70% or 80% of water covers the earths surface
mantle
earths tempertures
STRATOSPHERE
6,000 earths
It is Earths' "Magnetosphere".