Question

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Q). How scientist controls Satellite ?? Do network work in space ??

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Answer 1

heya mate here is ur answer....♥❤

First of all it is a bit strange to say that scientists place satellites into orbit. Since a rocket does all the work, which in turn is build by engineers. But you might say that the people who control the rocket/satellite can be called scientists.

I am not an expert on the planning of trajectories of satellites. However I do suspect that the trajectories of satellites who are put in orbit around Earth will use something like an Hohmann transfer or for higher orbits even a bi-elliptic transfer.

But there are also more complex orbits. For example the Earth is not spherical, but more like an oblate spheroid, which causes inclined orbits to have nodal precession. Even gravitational anomalies can make low orbits unstable over time, which is especially noticeable in Lunar orbit.

You also have to take into account orbital decay due to atmospheric drag, since space around Earth is not a complete vacuum, but this is more about maintaining orbit.

And there are also satellites who's orbit is hugely affected by multiple celestial bodies. These orbits are often near a Lagrangian point. For example the Gaia spacecraft which orbits around Sun–Earth L2 Lagrangian point.

hope it helps....✌☺

Answer 2

Answer:

How scientists control setellite

The controlling of the satellite need long explanation but briefly i can explain bellow:-

The basic concept of controlling satellite is by knowing about satellite using TT &C.

Talemetary-is monitoring the sat.parameters health

Tracking -to know the exact position of satellite

commanding-to comand the sat to perform the desire activity.

the telematery provides the details/value of all the parameters of satellite in real time,now this data will be compared with the required data based on this,commands are generated to transmit to the spacecraft to act acordingly.

tracking is essential to know exact location of the S/C so the command will reach to space craft.

Do network work in space

while NASA runs DSN,the network also support spacecraft from the European space Agency, Japanese space agency and Indian space agency. in additional to communication ,The DSN also perform s science . by monitoring signals from its satellites ,it is abale to to provide a precise distance from earth to the sender.

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