The longest day in the Northern hemisphere.

The period of 24 hours taken to complete one rotation around its axis is known as

A year of _________ days is called a leap year.

_______________ means 'the sun standing still'.

The earth takes about ________ hours to complete one rotation around its axis.

The earth goes around the sun in an ________ orbit.

The earth takes _____________ days to revolve around the sun.

Movement of Earth on its axis is called .

The circle that divides the day from night on the globe is called

21^st June is known as the ____________.