Credit & Copyright: Apollo 17 Crew,
NASA
Explanation:
Welcome to Planet
Earth, the third planet from a
star named the
Sun.
The Earth
is shaped like a sphere and
composed mostly of rock.
Over 70 percent of the
Earth's surface is water.
The planet has a relatively thin
atmosphere composed mostly of
nitrogen
and
oxygen.
Earth has a single large
Moon that is
about 1/4 of its diameter and, from the planet's surface,
is seen to have almost exactly the same angular size as the
Sun.
With its abundance of liquid
water,
Earth supports a large variety of
life forms, including potentially
intelligent species such as
dolphins and humans.
Please
enjoy your stay on Planet Earth.
News: APOD editor to speak in January in New York
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Публикации с ключевыми словами:
Earth - Земля
Публикации со словами: Earth - Земля | |
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