Distinguish between the following.

1. Rotation and revolution
2. Dawn and twilight
3. Perihelion and aphelion
4. Solstice and equinox

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Solution

Rotation Revolution

It refers to the movement of the Earth about its own axis. It refers to the movement of the Earth around the Sun.

This motion causes day and night. This movement is the reason behind the occurrence of different seasons

Dawn Twilight

The diffused light during sunrise is known as dawn. The diffused light after sunset is known as twilight.

Aphelion Perihelion

When the distance between the Earth and the Sun is maximum, it is called aphelion. When the distance between the Earth and the Sun is minimum, it is called perihelion.

It is 151 million kilometres. It is 146 million kilometres.

Solstice Equinox

It is the position of the Earth during summer and winter. It is the position of the Earth during spring and autumn.

It is of two types: summer solstice and winter solstice. It is of two types: spring equinox and autumn equinox.

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Similar questions

Answer the following questions briefly.

(a) What is the angle of inclination of the Earth’s axis with its orbital plane?

(b) Define rotation and revolution.

(d) Differentiate between the Summer and Winter Solstice.

(e) What is an equinox?

(f) Why does the Southern Hemisphere experience Winter and Summer Solstice in different times than that of the Northern Hemisphere?

(g) Why do the Poles experience about six months day and six months night?

A	B
Magellan Summer Solstice Spring Equinox Rotation Revolution	Causes deflection of winds in Northern Hemisphere is on 21 March causes seasons proved that the earth is round is the longest day

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Rotation	Revolution
It refers to the movement of the Earth about its own axis.	It refers to the movement of the Earth around the Sun.
This motion causes day and night.	This movement is the reason behind the occurrence of different seasons

Dawn	Twilight
The diffused light during sunrise is known as dawn.	The diffused light after sunset is known as twilight.

Aphelion	Perihelion
When the distance between the Earth and the Sun is maximum, it is called aphelion.	When the distance between the Earth and the Sun is minimum, it is called perihelion.
It is 151 million kilometres.	It is 146 million kilometres.

Solstice	Equinox
It is the position of the Earth during summer and winter.	It is the position of the Earth during spring and autumn.
It is of two types: summer solstice and winter solstice.	It is of two types: spring equinox and autumn equinox.