Advertisements
Advertisements
Question
How did the Earth form?
Advertisements
Solution
- 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.
APPEARS IN
RELATED QUESTIONS
Give any two features of the earth that make it a ‘Unique Planet’.
Short Answer Question:
What is a planet?
Fill in the blank:
___________is the major reservoir of carbon on the earth.
Fill in the blank:
Eratosthenes worked out the circumference of the earth to be _______ km.
Write a short note on the planets of the Solar System. Name the planets in order of their distance from the sun.
Distinguish between a planet and a star.
Which planet has the largest number of satellites?
Which planet has only one satellite?
Which star is known as ‘Evening Star or “Morning Star”?
Why do planets, being opaque bodies, shine in the sky?
Give reasons for the following:
Comets appear very rarely.
Write a short note on the two planets nearest to the sun.
In the picture below, correct the sequence of the planets from the sun.

Who am I?
No other planet has a living world like mine.
For what purpose are rockets used in space travel?
The movement of the Earth on its axis is called.
The living sphere.
Name the continents of the world.
The elliptical path in which the planets move around the Sun is ______.
______ is called Earth’s twin.
