The Moon is the third and largest terrestrial planet.
Our planet formed 4.54 billion years ago from the solar nebula.
Life on the Earth exists because of ozone layer and magnetic field blocks harmful solar radiation.
Of outer surface is covered with salt-water oceans beneath which there is liquid mantel, solid outer and inner core.
Our planet interacts with such planets as the Sun and the Moon. Because of this interaction we have such phenomena as seasonal variations, tides and other.
The Moon rotates around the Sun and around its axis.
The Moon occurred when Theia impacted Venus.
Water is one of the main components for life existing.
Outgassing and volcanic activity produced the primordial atmosphere.
Multicellular life-forms developed from the single-celled organisms.
11. The Earth’s outer surface has always been stable and has never changed.
Pangaea was the first supercontinent on the Earth.
The results of ice ages were mass extinctions of giant reptiles and fast development of mammals.
There is an ice age now.
VI. Try to explain following terms in English:
Terrestrial planet, solar radiation, magnetic field, tectonic plates, natural satellite, sidereal year, tropical year, seasonal variations, tides, asteroid, supercontinent, comet, ice age.
VII. What new information have you learned from this article? Have you got anything to add? Discuss it into groups.
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