Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Who propounded the possibility of placing communications satellites in geosynchronous orbit for the first time ?
Edwin P. Hubble
William Herschel
Arthur C. Clarke
Pierre Laplace
What is supernova ?
A black hole
A dying star
An asteroid
A comet
Which space-vehicle put man on the moon first time ?
Apollo
Challenger
Columbia
Explorer
At what height geo-synchronus orbit is located ?
6 km
1000 km
3600 km
36,000 km
What was the name of the space shuttle that landed man on the moon ?
Eagle
