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New telescope takes us a step closer to the Big Bang

09 Jul 2013

The world's most sensitive radio telescope, the Square Kilometre Array (SKA), came a step closer to reality today with its first precursor telescope officially starting observations of the Universe.

The Murchison Widefield Array (MWA) will explore the early Universe looking for signals from the first stars and galaxies, which formed after the Big Bang. It does this by collecting the very faintest radio signals from deep space using more than 2000 antennas.

MWA is an important pathfinder project for the SKA, a $2bn radio telescope which will operate in South Africa and Australia and will be 50 times more sensitive than any other radio instrument. The Australian component of the SKA will comprise several million antennas.

Minister for Innovation Senator Kim Carr launched the MWA operational phase from Melbourne today.

"This is an incredibly proud moment for Australia. The MWA is the first SKA precursor telescope to be completed and to become fully operational," Senator Kim Carr said.

More than 350 astronomers and engineers from Australia, the United States, India and New Zealand have collaborated to make the project a reality.

"In addition to helping us see back to the origins of the universe, the array will also help us to understand the interaction between the earth and the sun, give early warning of destructive solar flares and study our galaxy and other galaxies," Senator Kim Carr said.

"I congratulate the international consortium, led by Prof Steven Tingay at Curtin University, whose hard work has delivered a world first for Australia."

Director General of the international SKA Organisation, Prof Philip Diamond, also welcomed the start of MWA science operations.

"MWA is an important radio telescope in its own right. It will also be a key precursor in the design and development of the SKA's Low Frequency Array, to be hosted here in Australia."

Several Labor Government initiatives have contributed to the success of the MWA including the National Collaborative Research Infrastructure Strategy, the Education Investment Fund and the Australia India Strategic Research Fund.

Senator Kim Carr said it showed how investment in one piece of Australian infrastructure could produce world class science outcomes in another.

"Without the NBN link between Geraldton and Perth, the MWA would not have been possible," Senator Kim Carr said.

"The MWA will help Australia remain a world leader in radio astronomy while also building our scientific capabilities and attracting some of the best scientific minds to our country.

"Not only does radio astronomy make many marvellous discoveries about the universe, its development has produced technologies that we rely upon every day - like Wi-Fi.

"Australia is proud to be a partner in this global science project, and in the SKA."

For more about the SKA visit

Media contacts: Minister's office 02 6277 7070 

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