Geography:-
The sun, the moon and all objects
shining in the night sky are called celestial bodies. They are made up of gases.
Ursa Major or Big Bear is a constellation.
One of the most easily recognizable constellation
is the small bear or Saptarishi (Sapta-seven, rishi-sages).
The North Star indicates the north
direction. It is also called the Pole Star. It always remains in the same
position in the sky.
The word ‘planet’ comes from the Greek
word “Planetai” which means ‘wanderers’.
Jupiter, Saturn and Uranus have rings around
them.
These rings may be seen from the earth
with the help of powerful telescopes.
An easy way to memorise
the name of the planets in order of their distance from the sun is: MY VERY EFFICIENT MOTHER JUST SERVED US NUTS.
Mercury is nearest to the
sun. It takes only about 88 days to complete one round along its orbit.
Venus is considered as ‘Earth’s-twin’.
Earth is fifth largest planet.
Light travels at the speed of about
300,000 km per second. Yet, even with this speed, the light of the sun takes about
eight minutes to reach the earth.
Neil Armstrong was the first man to step
on the surface of the moon on 21 July 1969.
Apart from the stars, planets and satellites,
there are numerous tiny bodies which also move around the sun. These bodies are
called asteroids. They are found between the orbits of Mars and Jupiter.
The small pieces of rocks which move around the sun are called meteoroids.
The
Sun - tallest, The moon - smallest; Mercury, Mars, Venus and Earth (almost
equal heights); Neptune, Uranus, Saturn and Jupiter taller than the earlier
four planets but smaller than the Sun.
Every
planet spins in anti-clock wise except for Venus and Uranus who will make the spin
in the clock-wise direction.
Our
solar system is a part of Milky Way galaxy.
History:-
History:-
Sulaiman
and Kirthar hills are in northwest.
Garo hills
are in north-east and the Vindhyas in central India.
In ancient time the
south of the Ganga was known as Magadha.
The word India comes
from the Indus, called Sindhu in Sanskrit.
The
name Bharata was used for a group of people who lived in the northwest, and who
are mentioned in the Rigveda.
Manuscript was written
about a thousand years ago. The palm leaves were cut into pages and tied
together to make books. The Latin word ‘manu’, meaning hand.
BC- Before Christ
AD- Anno
Domini
Rosetta is a town on the
north coast of Egypt.
The beginning of agriculture
(8000 years ago)
Social and Political Life:-
Ladakh is a
desert in the mountains in the eastern part of Jammu and Kashmir. Very little agriculture
is possible here since this region does not receive any rain and is covered in
snow for a large part of the year. There are very few trees that can grow in
the region. For drinking water, people depend on the melting snow during the
summer months. People here keep sheep and the sheep in this region are special because
they produce pashmina wool. This wool is prized and pashmina shawls cost a lot
of money. The people in Ladakh carefully collect the wool of the sheep and sell
this to traders from Kashmir. Pashmina shawls are chiefly woven in Kashmir.
The people eat meat
and milk products like cheese and butter. Each family owns some goats, cows and
dzos (yak-cows). Being a desert did not mean that Ladakh did not attract its
share of traders. It was considered a good trade route as it had many passes through
which caravans travelled to what is today called Tibet. These caravans carried textiles
and spices, raw silk and carpets. Kesar
Saga are performed and sung by both Muslims and Buddhists.
:)
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