The Earth's closest neighbour in space is
The sun
The moon
Venus
Mars
Planets.
What fraction of earth is always experiencing night time?
One-half
One-tenth
One-fourth
One-fifth
How long does it take the earth to move round the sun once?
1 days
12 hours
28 days
365 days
'X' is composed of ice and dust and is in orbit round the sun. What is X?
A comet
A meteorite
A planet
An asteroid
Which of the following statements is correct about man-made satellites?
I. They are launched into space using rockets.
II. They revolve around the Earth.
III. They can be used to forecast weather
I only
II only
I and II only
I, II and III
Satellites revolve in
Circular and hyperbolic orbits
Elliptical and parabolic orbits
Circular and elliptical orbits
Only in elliptical orbits
Jupiter .
Which of the following graphs most probably represents the temperature changes on a hot and clear day in Delhi between 6 am and 6 pm?
How long does it take for the earth to complete one rotation about its own axis?
1 year
1 month
24 hours
