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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
Why is the earth called a watery planet?
Short Answer Question:
What is meant by Inner Planets? Name them.
Short Answer Question:
What are the Jovian planets? Name them.
Short Answer Question:
Distinguish the earth from the other planets in one important aspect.
Fill in the blank:
________is the narrow zone of contact between lithosphere, hydrosphere, and atmosphere.
Fill in the blank:
Eratosthenes worked out the circumference of the earth to be _______ km.
How much time does a ray of sunlight take to reach the Earth?
How much time does a ray of moonlight take to reach the Earth?
Which planet is known as the ‘red planet’?
Which is the brightest planet?
Give a reason for the following:
Earth has the most ideal temperature conditions.
Arrange the nine planets of the solar system in order of their sizes.
Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.
Find out the number of years to reach the following celestial bodies from the Earth: Nearest star from the Earth (Distance 150 million km)
Why is Mercury the hottest planet of the Solar System?
Which is the satellite of the Earth?
Use your brain power!
Suppose you want to give your address to a friend you have on the planet Mars. How will you write your address if you want them to understand exactly where you live?
Who am I?
I am the nearest star to the earth.
For what purpose are rockets used in space travel?
The line which divides day and night on the Earth’s surface is ______.
