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Stars And Solar System

Question

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Mention those conditions which make the earth a 'living planet'.

Solution

The conditions which make Earth a living planet is as given below:

(i) Earth has elements like carbon, hydrogen, oxygen, and nitrogen which are needed for the synthesis of molecules required for the origin of life. It has also sufficient oxygen gas in its atmosphere.

(ii) Earth has the right temperature range for the life to originate and flourish on it. It is neither too cold nor too hot.

(iii) Earth has lot of water on its surface.

(iv) Earth has a protective blanket of ‘ozone gas’ around it, which prevents harmful radiations from entering its atmosphere.

Some More Questions From Stars and Solar System Chapter

Mark the following statement as true (T) or false (F):

Pole star is a member of the solar system.

Mercury is the smallest planet of the solar system.

Mark the following statement as true (T) or false (F):

Uranus is the farthest planet in our solar system.

Mark the following statement as true (T) or false (F):

INSAT is an artificial satellite.

State True or False:

There are nine planets in the solar system.

Mark the following statement as true (T) or false (F):

Constellation Orion can be seen only with a telescope.

Match the following options:

Give One Word Answer:

In which part of the sky can you find Venus if it is visible as an evening star?

Give One Word Answer:

Name the largest planet of the solar system.

What is a constellation? Name any two constellations.

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