................ satellites use specific waves to establish communication between differem locations in the world.

In third and fourth stages of PSI.V types of gel used respectively are ............ and .............. .

Time taken by satellites placed in low earth orbits for one complete revolution is

Pelar satellite launch vehicle (PSlV) designed by

................ satellite series launched by India helps in locating any place on earth's surface by fixing the location in terms of its precise latitude and longitude.

The path followed by a satellite while revolving around the planet is known as

Satellite revolving around the earth at a height of 400 km above the earth's surface has a time period of about

Polar satellite launch vehicle is a ............. stage satellite launch vehicle.

The first person to step on the moon is

There are ........... attached on the both sides of an artificial satellite as wings.

Time taken by satellites placed in medium earth orbits for one complete revolution is

The astronomical object closest to us is ................ in our galaxy.

............ earth orbits are also called as polar orbits.

In space non-essential objects revolving around the earth are termed as .................. in space.

Mangalyaan is a spacecraft made by ISRO

If the height of the orbit of a satellite from the earth surface is increased, the tangential velocity of the satellite will

The artificial satellites work on .............

The initial velocity (during launching) of the Mangalyaan, must be greater than ............ of the earth.

The first artificial satellite .............. was sent to space by Soviet Union in 1957.

The escape velocity on the moon is that on the earth.

............. can be reused in multiple launches.

In first and second stages of PSL.V types of gel used respectively are ............... and ............... .

Which of the following astronauts travelled through space shuttle 'Discovery first time?

The working of satellite launch vehicle is based on Newton ............. law of motion.

................ satellites help in locating any place on earth's surface by fixing the location in terms of its precise latitude and longitude.

How much time a satellite in an orbit at height 35780 km above earth's surface would take to complete one revolution around the earth, if the mass of the earth would have been nine times its original mass?

Satellites revolving around the earth with the time period same as that of rotation of earth are called ............ satellites.

If a manmade object revolves around the earth or any other planet in a fixed orbit it is called .......... satellite.

A group of students from COEP Pune sent a small satellite .............. through ISRO in 2016.

If the satellite is revolving in a high earth orbit parallel to the equator, then its time for one revolution around the earth is same as that of rotation of earth. As a result, the satellite appears to be stationary with respect to the earth. Therefore, these satellites are called satellites.

A satellite revolves around the earth in an elliptical orbit. Its speed

The structure of the launch vehicle and the fiel to be used is decided by

Which of the following is not an objective of space missions?

Which of the following satellites is different?

................ satellites are used in the study of forests, deserts, oceans, polar ice on earth's surface. These are also used in exploration and management of natural resources. They also collect information which guides us in case of natural calamities like flood and earthquake.

A geostationary satellite

Due to ............. we can gather information about worldwide events sitting at home.

If the height of the satellite orbit above the earth's surface is between 2000 km and 35780 km, the orbits are called ................ earth orbits.

Main function of Indian Remote Sensing Satellite is

................ satellites are used to study and forecast weather conditions on the earth.