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  Hypersonic scramjet's first flight
Updated 30 July 2002, 14.31
The scramjet is launched at Woomera in the Australian outback
A jet which can speed you to the other side of the world in two hours has made its first flight.

The scramjet flies at nearly eight times the speed of sound.

Fact File
Jet facts
Fastest passenger jet right now is Concorde
It does twice the speed of sound
Scramjet goes 4 times faster at 8,000kms an hour!
One day it could be the fastest passenger jet to ever take to the skies.

A test flight in October 2001 was a disaster when the rocket crashed back to Earth.

Launching satellites


This time the hypersonic engine was strapped to a rocket and blasted 300 kilometres (190 miles) into the sky from the Australian desert.

Scramjets have no moving parts and grab the oxygen they need to burn their fuel from the atmosphere.

The first thing it will probably be used for is launching communications satellites into orbit.

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