Sputnik was launched by Russia on

Only one of the earth's natural satellite.

Have no satellites.

Sending copies of documents and photograph instantly from one place to another.

The first artificial satellite.

Chandrayan revolves round the moon at a height of ______________km from the moon is surface.

EDUSAT is a satellite launched by India exclusively for

India launched its first artificial satellite called

The chandrayan-I starting the many details about the surface of the