Advertisements
Advertisements
प्रश्न
State two chief characteristics of the revolution of the earth.
उत्तर
The earth revolves at an average speed of 100,000 km per hour. The earth revolves in an elliptical orbit with two particular positions, i.e., perihelion 147.3 million km away from the sun in January and aphelion 152 million km away from the sun in July.
APPEARS IN
संबंधित प्रश्न
Name the two chief motions of the earth.
Define ‘revolution’.
Mention two effects of revolution.
What is the effect of the inclined axis of the earth on day and night?
Explain with the help of a diagram how the tilt of the earth’s axis and the revolution cause
- seasons.
- variation in the length of day and night; and
- changes in the altitude of the midday sun at different times of the year.
How much time does the Earth take for one revolution?
Account for the unequal length of day and night.
Distinguish between the following pair :
Summer Solstice and Winter Solstice.
What are aphelion and perihelion?
What are the effects of revolution?
