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| Earth and Moon |
The planet formed about 4,5 billion years ago. Theories about how Earth began to form differ a lot. Most astrophysicists believe that the planet is a result of accretion
The closest planet to Earth is Mars.
Wednesday, March 13, 2013
Earth
Planet Earth is -as we all know- our home planet. It is the third planet as seen from the Sun, the star of the Solar System. Earth has one natural satellite which is called the Moon. It is a solid planet and the most dense (in mass) of the Solar System.
The planet formed about 4,5 billion years ago. Theories about how Earth began to form differ a lot. Most astrophysicists believe that the planet is a result of accretion
The closest planet to Earth is Mars.
The planet formed about 4,5 billion years ago. Theories about how Earth began to form differ a lot. Most astrophysicists believe that the planet is a result of accretion
The closest planet to Earth is Mars.
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