Reviving Dead Rockets

Reviving Dead Rockets

Hey everyone,

                    Today on New year we are going to explore a new technology in space research. The space race is real and every superpower in the world are constantly expanding their horizons for space exploration but in doing so we create a lot of space garbage also called as debris in decent terms. You won't actually believe the amount of debris that is present outside the earth's atmosphere. The rockets after launching the satellite just stay their outside the earth's atmosphere orbiting in the lower orbit without fuel and there are estimated to be over 51 million space debris as of 2013 now the number might be doubled. As when satellites run out of fuel they just orbit in the lower orbit and may hit another satellite resulting in an explosion with thousands of pieces of satellite parts spreading out in space and this hits the other and then the other. Almost all the parts of the space above the earth are covered with debris. Unless and until we devise a plan to clean this our space exploration will end even before it begins the satellite signals might cut off and this will be a great filter for us.

Every dot is a debris

I think I've gone a little off topic in the introductory but I thought you should know why we need to revive dead rockets.

In January ISRO(Indian Space Research Organisation) is going to adopt a technology which is going to make dead rockets come alive. The first rocket doing this would be PSLV C44.

How India is going to do this?

 In general, when a rocket is sent to launch a satellite in space it does it in stages.

 After the final stage which is launching the satellite into its orbit, the rocket is presumed dead and called debris.

Here where India comes into play. India has developed a new technology which is going to give life to the dead rocket in its final stage called PS4 stage and they can last for six months after the last stage not as debris but functional. This is said to be the most cost-effective way to perform research in space as launching a satellite costs almost 50 to 400 million dollars. A proud moment for Indians is that India is the only country working on this technology.

How this Technology works?

It is said that the rocket stage of PSLV C44  after launching the satellite(a microsat) in this month will come alive using some batteries and solar panel. This occurs after the satellite is launched from the last stage of PSLV. It is also said from the ISRO chairman that students can use this stage of the rocket for experiments on the outer space for free.

Using this we can study weather patterns, climate changes, microgravity, upper atmospheric patterns etc. students are allowed to attach their experimental modules in the last stage of the rocket.

If this last stage idea works perfectly we won't have the need to launch separate satellites for each purpose.

The main significance of this research and technology is that after launching the satellite the rocket is just going to be tumbling in the same orbit with no fuel and control and after reaching the atmosphere due to gravity it is just going to fall into the earth but still won't be much help. Due to this idea, these things are eliminated.

ISRO is also going to give an announcement stating "Students and Graduates are welcome to send their proposals for space research".

Currently, no country in the world has come up with an Idea to reuse the rockets with SpaceX by Elon Musk is the only exception as they made the first stages of the rockets come back after launching Tesla roadster in outer space but still the Falcon 9 rocket is confined to the first stage of the rocket and not have experimented with the last stage.

Fact Flash:

Some might know this and some may not but for a rocket to exit earth it should travel at 7 miles/second or 11.2 km/second. I'm not a scientist but that's pretty fast. The Saturn V which landed man on moon used 1.2 million litres of liquid oxygen for combustion and produced and 34,01,942 kgs of thrust to launch itself or as the Americans call it 7.5 million pounds of thrust pressure.

Happy New Year 2019 

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