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Stargazers around the world watched as SpaceX launches its upgraded workhorse rocket.

This latest version of the Falcon 9 will blast off from Florida's Kennedy Space Center, carrying Bangladesh's first satellite with the aim of bringing the internet to all corners of the country.

The rocket was originally scheduled for takeoff on Thursday but was stalled due to a last-minute glitch. The countdown came to an abrupt halt with less than 60 seconds remaining.

Space enthusiasts watched the rocket blast the satellites into low earth orbit on the livestream below from 9.15pm.

Flight controllers scrambled to figure out the cause of the automatic abort, but with time running out, called it quits for the day.

SpaceX chief executive Elon Musk says the improved boosters can be reused more than 10 times each and require little or no work between launches.

SpaceX reusable Falcon 9 rocket blasts off for the 50th time 9 show all SpaceX reusable Falcon 9 rocket blasts off for the 50th time 1/9 Elon Musk's rocket fires up at the Florida launch station AP 2/9 The Falcon9 blasts off on its 50th launch SpaceX 3/9 Earthlings could watch a live stream of the impressive event AFP/Getty Images 4/9 The rocket successfully transported a gigantic satellite into orbit SpaceX 5/9 The impressive milestone was reached in less than eight years. AP 6/9 Stunning footage shows how the huge rocket creates a huge trail of smoke and fire as it blasts through the sky AFP/Getty Images 7/9 The rocket's powerful engine lit up the morning sky AFP/Getty Images 8/9 Incredible image from a previous Falcon9 launch SpaceX 9/9 The rocket at the Cape Canaveral Air Force Station SpaceX 1/9 Elon Musk's rocket fires up at the Florida launch station AP 2/9 The Falcon9 blasts off on its 50th launch SpaceX 3/9 Earthlings could watch a live stream of the impressive event AFP/Getty Images 4/9 The rocket successfully transported a gigantic satellite into orbit SpaceX 5/9 The impressive milestone was reached in less than eight years. AP 6/9 Stunning footage shows how the huge rocket creates a huge trail of smoke and fire as it blasts through the sky AFP/Getty Images 7/9 The rocket's powerful engine lit up the morning sky AFP/Getty Images 8/9 Incredible image from a previous Falcon9 launch SpaceX 9/9 The rocket at the Cape Canaveral Air Force Station SpaceX

Mr Musk said his goal is to eventually launch the same booster twice within 24 hours, drastically reducing costs.

SpaceX so far has safely return-landed 24 of its boosters and reflown 11 of them.

The Block-5 is the first rocket from Musk's California-based company to satisfy NASA's standards for its Commercial Crew Program to carry agency astronauts to the International Space Station.

But NASA still requires seven successful flights before the new rocket receives final certification for a manned mission.

For this week's flight of the new Falcon 9, SpaceX will be launching the Bangladeshi government's first satellite, Bangabandhu-1, into Earth orbit.

Block-5 marks the final version of the Falcon 9 lineup before SpaceX introduces its super heavy-lift launch vehicle, dubbed the Big Falcon Rocket, or BFR, which will be designed to send manned missions to Mars.

SpaceX is one of two private companies hired by NASA to ferry astronaut crews to the space station.