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Both engines types work on a similar principle of compressing a working fluid and ejecting it very fast to create thrust, but the main reason for why we currently use rockets in space is simply because of the way Jet engines work. Virtually all Jet engines breathe air and use fuel to heat/compress it. This works great in-atmosphere and can even become extremely efficient at higher speeds, but obviously does not work in the vacuum of space where there is no air. The lack of air and pressure would also cause other indirect problems like overheating and extreme structural damage in jet engines.
On the other hand, rockets carry everything they need (fuel, gas pockets, oxidizer, etc) so that they are fully self-contained without needing to suck anything in. The fact that rockets have to lift all of their own fuel and require so much of it complicates things a lot and decreases their range/economic performance but it's really the best we can do right now. There are ways to blur the line between jet and rocket engines, such as by using nearly-hypersonic ramjet variants to put rocket-powered spacecraft into orbit to save a bunch of fuel while requiring far smaller rockets, but in the end, it's still only the rockets that can operate in space.
What else can I help you with?
Why do rockets go to space not jets?
Jets need air in order to work. Look at the jet engines on an airliner, and you'll notice that the front of the engine is wide open . . . to take in large gulps of air and mix it with the jet fuel. There's no air in space, so jets don't work there.
Why cant jets go as fast as a rocket?
All things being equal, the speed of a rocket or jet depends on the power of the engine, the weight of the vehicle and the drag on the vehicle. But rockets do have some advantages: They can travel in space where there is no drag. Jets require air. It is possible to build very powerful rockets with very little weight. Jets are heavier for the same power. Of course, jets are made for continuous use. Rockets are frequently one-time use.
Does rockets carry humans?
Many rockets that go into space do carry humans, but, most rockets do not.
Types of rockets animals go to outer space in?
my answer is air rockets because birds go in there
Does a rocket carry humans?
Many rockets that go into space do carry humans, but, most rockets do not.
What are some jobs that rockets do now?
rockets go outer space to take people to the moon
What some jobs that rockets do now?
rockets go outer space to take people to the moon
Where do rockets go?
Rockets carry spacecraft into space, where they can orbit Earth, travel to other planets, or explore the cosmos. Rockets follow carefully calculated trajectories to reach their destination and fulfill their mission objectives.
When the space shuttle is in space where does the rocket go?
The booster rockets are jettisoned and land in the sea. They are recovered later.
What are the intended benefits of rockets?
The intended benefits of rockets are that they are used to go in the space and they are also used to fight a war with other countries...
Where can rockets go?
rockets can go anywhere.space is where rockets can go
Which rockets are built to go into space?
The first successful rockets built to go into space were ICBMs: the Soviet Sputnik I & II were launched on military ICBMs, the US Mercury spacecraft were launched on military ICBMs (Redstone & Atlas), the US Gemini spacecraft were launched on military ICBMs (Titan II). IIRC, the Delta & Saturn rockets were the first successful rockets built to go into space that didn't begin as military ICBMs. Although most Deltas are launched from Vandenberg AFB. The European Arian was the first commercial rocket built to go into space.
