జననీ శివకామిని telugu song lyrics janani shiva kamini

 1. Answer the following questions briefly.

(a) How does a planet differ from a star?

Planet 

a planet does not have its won light and heat. it derives its light from a star.

A planet is usually smaller than star.

star

star a possesses is won light and heat.

star are very huge objects compared to a planet in general.

(b) What is meant by the ‘Solar System’?

    The term Solar System refers to the “family” of the Sun. The Sun is a star around which eight planets, among other celestial objects, revolve in orbits. This whole system of bodies is called the Solar System. The Sun is the “head” of this system.

(c) Name all the planets according to their distance from the sun.

    The list of planets in the order of their distance from the Sun is as follows:

• Mercury
• Venus
• Earth
• Mars
• Jupiter
• Saturn
• Uranus
• Neptune

(d) Why is the Earth called a unique planet?

    The Earth is regarded as a unique planet because of the following reasons:

• It is the only planet known to support life. It has oxygen and water present in proportions that allow life to thrive.
• It also has a temperature range that supports life.
• The proportion of water present is about two-thirds of the surface of the earth when compared to land.

(e) Why do we see only one side of the moon always?

        One revolution of the moon around the earth takes about 27 days. Incidentally, the moon’s rotation about its own axis also takes nearly the same time. One day of the moon is equal to 27 Earth days. So only one side of the moon can be seen from the earth.

(f) What is the Universe?

        The Universe is the largest unit in which we live. It is a collection of galaxies. There is only one Universe and everything that exists in this Universe itself.

2. correct answer.

(a) The planet is known as the “Earth’s Twin” is

        Venus.

(b) Which is the third nearest planet to the sun?
         Earth

 

(c) All the planets move around the sun in a
         Elongated path

(d) The Pole Star indicates the direction to the
         North

(e) Asteroids are found between the orbits of
        Mars and Jupiter

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A group of stars forming various patterns is called a constellation

A huge system of stars is called galaxy

The moon is the closest celestial body to our earth.

The earth is the third nearest planet to the sun.

Planets do not have their own heat and light.

correct option

Full moon night occurs once every month.

The Hindi word for the New Moon night is  Amavasya

The sun is  a star , a celestial body,  the head of the solar system.

Ursa Major is a constellation.

Which of these was a planet till 2006 but is now a “dwarf planet”?  Pluto.

The term “Blue Planet” indicates the presence of water.