The moons of Uranus are all named after the characters in the plays of _________.
Over how many days, the moon goes through a full cycle of lunar phases?
Who was the First man to perform spacewalk?
Kalpana chawla died in the space shuttle__________.
NASA was established in the year.
NASA's headquaters are located in ________.
Ganymede is the moon of which planet?
Which of the following is NOT a magnetic substance?
Filament of electric bulb is made of_______.