What is the shape of the path in which the earth moves around
the sun
|
An elliptical path.
|
What is a leap year ?
|
Such a year which has 366 days, is called a leap year. Every
fourth year is a leap year. The month of February has 29 days instead of 28
in a leap year.
|
On which day all places on the northern hemisphere have the
longest day and the shortest night ?
|
On 21th June.
|
On which day, all places on the southern hemisphere have the
longest day and the shortest night?
|
22nd December
|
What is autumnal equinox ?
|
On September 23, days and nights become equal all over the
world, this is called autumnal equinox.
|
What is vernal equinox ?
|
On 21 March, all places on the earth have equal days and
nights, this is called vernal equinox
|
In which direction the earth moves ?
|
From west to east.
|
What is the circle of illumination ?
|
The circle which divides the earth into a light half and a
dark half is called the circle of illumination.
|
At what speed the earth revolves around the sun ?
|
29.8 kilometer/second or about 1,00,000 kilometer/hour.
|
How much time the earth takes to complete one revolution ?
|
365 days and 6 hours, this period of time is called one year.
|
At which place the duration of day and night is equal
throughout the year ?
|
At any place on the equator
|
Why the days and nights are unequal on the earth ?
|
Because the earth's axis is tilted.
|
What is the average distance from the Earth to the
Moon?
|
238,857 miles (384,403.1 km)
|
What is the average distance from the Earth
to the Sun?
|
93,020,000 miles (149,669,180 km)
|
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