Question

Satellite launch vehicles have ________ stages.​

Answer 1

Answer:

Mainly, there are four stages in launching a satellite. First Stage − The first stage of launch vehicle contains rockets and fuel for lifting the satellite along with launch vehicle from ground. Second Stage − The second stage of launch vehicle contains smaller rockets.

Answer 2

Answer:

The four-stage Polar Satellite Launch Vehicle (PSLV) was then developed; it used a mixture of solid- and liquid-fuel stages. The first PSLV launch took place in 1993. During the 1990s India developed the liquid-fuel Geostationary Space Launch Vehicle (GSLV), which used cryogenic fuel in its upper stage.

Explanation:

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