On the morning of May 12, millions of Bengalis were awake without blinking their eyes to witness history. Because at this time Bangladesh has achieved an extraordinary milestone. The country’s first satellite Bangabandhu-1 then launched SpaceX Falcon 9 rocket into orbit. The migration is frozen. Shortness of breath during the launch of the rocket – a few minutes did not seem to want furotei. Mechanical error occurred at the same time the day before. And on the second day, everyone was praying that everything would be fine and Bangabandhu Satellite would be able to go to its destination well. That’s it! Bangladesh’s dream has come true.

The Bangabandhu-1 satellite was successfully launched from the Kennedy Space Center in Florida, USA on May 12, 2018 (or Friday, May 11, 2018) at 2:14 pm Bangladesh time. Bangabandhu-1 satellite in 33 minutes and 48 seconds of launch Reaches In geostationary transfer orbit.

With this flight, Bangladesh entered the elite clubs of the countries that own their own satellites. Bangladesh is the 57th satellite country in the world through Bangabandhu Satellite.

Bangabandhu 1 satellite has been launched by a rocket of the much talked about Falcon 9 Block 5 model of SpaceX, a private space research institute of USA. As Bangladesh has made history with this launch, Elon Musk’s company SpaceX has also set a new record with their sophisticated rockets. The new version of the SpaceX Falcon 9 rocket is Block 5 The first mission There was Bangabandhu-1. So the whole technology world including Bangladesh was looking at this launch.

The SpaceX Falcon 9 rocket was built as a reusable rocket. Orbital rockets, which are sent into orbit in space, could only be used once so far. That means 10 to hundreds of millions of dollars needed to build a rocket per mission, which is very expensive.

But US entrepreneur Elon Musk Falcon 9 rockets, made from his SpaceX company, can be used more than once. A large portion of these rockets return to Earth after completing space missions and can be sent back into space missions.

SpaceX has been building their Falcon 9 reusable rocket since 2011. Finally, in March 2016, a Falcon 9 rocket went into space with its second mission and its reusable part returned to Earth. Comes. On March 7, 2016, SpaceX set a record by sending Falcon 9 back into space.

So far, however, SpaceX has sent their reusable Falcon 9 rocket into space a maximum of twice each. Done. In other words, a Falcon 9 rocket can be used a maximum of 2 times, which does not actually fulfill the original purpose of SpaceX.

But on 12 May (Bangladesh time) a new version of the SpaceX Falcon 9 rocket with the Bangladeshi satellite Bangabandhu-1 went into space, named ‘Falcon Nine Block Five’. Each rocket of this model can be used from a minimum of 10 times to a maximum of 100 times. Where previously the Falcon 9 could only be used twice, the updated version of the Falcon 9 used the Block Five up to 10-100 times. Will go. Therefore, just as Bangladesh has written a new history with the launch of Bangabandhu 1, SpaceX has also achieved something new with Bangladesh.

At about 230 feet high, the Falcon-9 rocket has four parts. At the very top is the satellite or any other subject / payload (whichever is the purpose), then the adapter. Then Stage-2 and at the bottom is Stage-1.

The SpaceX Falcon 9 Block 5, weighing 5,49,054 kg, was launched into the sky, followed by the launch of Stage One and the rocket began to ascend. After a few minutes, Stage-1 of the rocket opens and descends, while Stage-2 is launched. The reusable part of the rocket, Stage-1, moves to Earth, and Stage-2 carries the satellite to a certain distance and stays in space, or if there is any work other than launching the satellite, then Stage-2 does it.

Meanwhile, Stage-1 landed at SpaceX’s pre-determined location. Stage 1 of the SpaceX Falcon 9 has the rocket’s main engine and most of the fuel needed for launch. The rocket is 12 feet in diameter.

After returning to Stage-1, it needs some repairs for the next mission, but it saves a lot of money on building a whole rocket. Reusable Rocket. Now if Falcon 9 Block 5 can be used 10-100 times, then it is good for everyone.

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