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Q: Why do rockets need so much fuel for take off?
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What kind of fuel does rockets take?

pee


Why don't astronauts soft-land on Earth with retro-rockets?

Rocket fuel is very heavy and it would take more rocket fuel for the launch to carry the weight of the fuel for retro rockets.


Where do fireworks and space rockets get their oxygen from?

They take it with them in some form or another. Fireworks use oxidizing salts such as various nitrates and chlorates. Solid fuel rockets generally use ammonium perchlorate as an oxidizer while liquid fuel rockets carry liquid oxygen.


Disadvantages of rockets?

The advantages are it can take you up to space.The disadvantages are you are talking a risk to go to space.


Why do rockets take off?

Rockets take off to carry things (called payloads) into space. Do you mean 'how' do rockets take off, or how do rockets work?


How do rockets off?

rockets take off when gases are shot out of the opposite direction with great force. The gases are conctrated by being forced through a small nozzle Liquid hydrogen and liquid oxygen is the fuel.