Why is it called a missile?
A rocket is so called on the basis of its mode of self-propulsion. A missile is so called on the basis of its being propelled, by a rocket engine or otherwise, for the purpose of doing damage, as a weapon.
How much power do satellites use?
Today’s satellites are frugal with power, which is usually supplied by arrays of solar cells. A typical communications satellite needs between 1 and 1.5 kilowatts of electricity, and the space shuttle manages on 12.5 kilowatts.
Which battery is used in satellite?
And, they need to work in a vacuum without leaking or exploding. There are many types of batteries: carbon-zinc, lead-acid, nickel-cadmium, nickel-hydrogen, silver zinc, alkaline, and lithium-ion to name a few. Most batteries currently used in space flight are nickel-cadmium.
What is meant by missile?
In military terminology, a missile, also known as a guided missile or guided rocket, is a guided airborne ranged weapon capable of self-propelled flight usually by a jet engine or rocket motor. Missiles have four system components: targeting/guidance system, flight system, engine and warhead.
How do we communicate with satellites?
Satellites communicate by using radio waves to send signals to the antennas on the Earth. The antennas then capture those signals and process the information coming from those signals.
Which fuel is used in satellites?
Who invented rockets?
Robert Hutchings Goddard
Do satellites use fuel?
Satellites do carry their own fuel supply, but unlike how a car uses gas, it is not needed to maintain speed for orbit. It is reserved for changing orbit or avoiding collision with debris.
What are the uses of missiles?
Missile, a rocket-propelled weapon designed to deliver an explosive warhead with great accuracy at high speed. Missiles vary from small tactical weapons that are effective out to only a few hundred feet to much larger strategic weapons that have ranges of several thousand miles.
Which cell is used in satellite?
What is the origin of missile?
Etymology. From Latin missilis (“that may be thrown”), neuter missile (“a weapon to be thrown, a javelin”), in plural missilia (“presents thrown among the people by the emperors”), from mittere (“to send”).
What is meant by satellite communication?
Satellite communication, in telecommunications, the use of artificial satellites to provide communication links between various points on Earth. Satellite communications play a vital role in the global telecommunications system.
Who made first missile in India?
|Defence Research and Development Organisation
|Bharat Dynamics Limited
|February 25, 1988 (Prithvi I) January 27, 1996 (Prithvi II) January 23, 2004 (Prithvi III)
|30 (2017 est.)