The water in the form of ice are known as

The line that divides the globe into hemisphere is called

The drops of water join together that they solidify and fall down as hail and it is called

The temperature is measured by using a

What is the star nearest to our earth?

How many time the earth take for one rotation in its on axis?

The man made space probes that revolve around a planet are called

The size of the moon decreasing every 15 days and again increasing for the next 15 days is called

The severity of heat at a place is called its

The part from the prime longitude to the 180 degree east longitude is called