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Government will brief the media on Friday, on the announcement about whether South Africa will host the multi-billion rand Square Kilometre Array space radio telescope project.
The SKA organisation met in the Netherlands last month and decided more time was needed to investigate how investments made by the candidates, Australia and South Africa, could be maximised.
At the time, Science and Technology Minister Naledi Pandor said she was disappointed that the announcement had been delayed.
Information leaked to the media in March suggested that the committee, which conducted its assessments earlier this year, had recommended the project be awarded to South Africa.
The five SKA member countries which will make the final decision are Canada, China, Italy, the Netherlands, and the United Kingdom.
