The GSLV Mk III rocket successfully launched at 5.28 pm on 5th June from the second launch
pad of the Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh.
Why is it a big deal?
Lets find out.
But First Lets take a look at this historic moment once again.
Hey guys, welcome to the show, I am Ronnie Roy and today we talk about everything you
need to know about the heaviest rocket launched on Indian soil.
The GSLV Mk III D1 is designed to carry heavier communication satellites into the Geosynchronous
Transfer Orbit (GTO).
For those of you who forgot what you studied in school just like me, here's the definition:
A geosynchronous orbit is a high Earth orbit that allows satellites to match the Earth's
rotation.
Located at approximately, 36,000 kilometers above the Earth's equator, this position is
a valuable spot for monitoring weather, communications and surveillance.
The GSLV Mk 3 is a three-stage vehicle with an indigenous cryogenic upper stage engine.
Now what is a cryogenic engine?
A cryogenic rocket engine uses fuel or oxidizer that are gases liquefied and stored at very
low temperatures.
The mission is significant as the GSLV Mk III is the heaviest rocket launched on India
soil.
Let's look at this with a sense of scale, the rocket weighs equivalent to the weight
of five fully-loaded Boeing Jumbo Jets or as much as 200 fully grown elephants.
GSLV Mk III is designed to carry 4-ton class of satellites into Geosynchronous Transfer
Orbit (GTO) or about 10 tons to Low Earth Orbit (LEO), which is about twice the capability
of GSLV Mk II.
The Launch vehicle will aim to reduce dependence on other countries as India has been using
expensive European rockets to launch its heavier satellites.
Till now, ISRO had to depend on foreign launchers for communication satellites weighing more
than 2,300 kg.
The launch of the GSLV Mk3 is the culmination of a long and arduous journey that spanned
nearly three decades and even as the Indian space agency struggled over the years to get
a cryogenic engine for its heavy launch vehicles, the delay has also helped it in mastering
the technology.
It will also be a first step towards setting its foot in the global heavy payload market and it will also set the
ball rolling for future projects including Chandrayaan-2 and the manned mission
Former Isro chairman K Kasturirangan, the man who conceived the GSLV Mk III, confirms
it will be the country's vehicle to ferry Indians into space.
The mission would also augment India's communication resources as a single GSAT-19 satellite will
be equivalent to having a constellation of six to seven of the older variety of communication
satellites in space.
So, wait a second what does that really mean, improved internet speeds in the country.
The GSAT-19 is powered by Lithium-ion batteries like the ones used to power electric vehicles.
These batteries have been made so that India's self-reliance quotient can increase.
So, I hope this video helped you understand more about the GSLV Mark 3, if you enjoyed
this video do hit that Like button and if you are new to my channel please do SUBSCRIBE
for more videos.
Before I go, I would like to take this opportunity to salute all the ISRO scientists who have
worked years tirelessly to make this mission a reality.
I'll see you on the next video, till then its goodbye from me.











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