Australian Radio Telescope Mapped 3 Million Distant Galaxies in 300 Hours


Credits: Unsplash
Credits: Unsplash

According to a study published Tuesday in the journal Publications of the Astronomical Society of Australia, the Australian Square Kilometer Array Pathfinder (ASKAP) telescope has make a record in the astronomy scene for mapping vast areas of the universe in record breaking time unveiling one million new galaxies and paving the way to new mysteries of the universe. The telescope capably mapped roughly three million galaxies in 300 hours. Similar surveys of the night sky have taken up to 10 years to complete.


The Australia based telescope array needed to blend 903 images to map the sky i.e means, the resulting map, which covers 83% of the sky is a combination of 903 individual images each containing 70 billion pixels. Comparatively other all sky radio surveys need tens of thousands of images to make it happen. According to MCConnell, it is more sensitive than previous surveys that have covered the whole sky like this, so we do see more objects than have been seen in the past.


The researchers mapped roughly 3 million galaxies in the southern sky, according to a paper published Nov. 30 in the journal Publications of the Astronomical Society of Australia. One million of these distant galaxies may be previously unknown to astronomy and do to these success of this first survey, Australia National Science Agency (CSIRO) scientists are already planning even more in-depth observations in the coming years.


McConnell says that, it is the first time, ASKAP has flexed its full muscles building a map of the universe in greater detail than ever before and at record speed. Astronomers are expecting to find tens of millions of new galaxies in future surveys.


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