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प्रश्न
How did the Earth form?
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उत्तर
- Approximately 4.54 billion years ago, Solar System was a cloud of dust and gas known as Solar Nebula.
- Due to an explosion, these particles collapsed and began to spin having the sun at centre.
- The bigger particles which revolve around the sun are called planets. Thus the planet Earth formed.
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संबंधित प्रश्न
How can you prove that the earth is a sphere by looking at the horizon?
Fill in the blank:
A typical galaxy may contain ___________ stars.
Give the distinctive features of the earth as a unique planet. Also, give three points of comparison with respect to other planets.
Distinguish between a planet and a star.
Name the planet farthest from the Sun.
Which is the brightest planet?
How many satellites are there in the Solar System?
Which planet has the largest number of satellites?
Or
Name the largest known satellite of any planet.
Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.
Give reasons for the following:
Mercury completes its orbit in less time than the Earth.
Give reasons for the following:
No life is possible on Saturn.
What do you understand by ‘Terrestrial Planet’?
Which is the satellite of the Earth?
What is “Geoid”?
Who am I?
You can see me from the earth but the lighted part of me that you see changes every day.
Who am I?
I turn around myself and revolve around the sun.
The line which divides day and night on the Earth’s surface is ______.
The continent full of snow is ________.
Birla Planetarium is located in __________.
How many continents are there on the earth?
