Australian astronomers discover oldest known star in the Universe

Astronomers at The Australian National University have discovered the oldest known star in the Universe—which formed shortly after the Big Bang 13.7 billion years ago—using theANU SkyMapper Telescope camera. This wide-field camera features 32 4k x 2k CCD detectors, a Shack-Hartmann sensor, a StarGrasp controller for CCD readout, six filter slots, and a 2.34° x 2.40° field of view. The camera is also cooled with a closed-cycle cryogenic system. Its discovery has enabled the team to study the chemistry of the first stars, giving them a better idea of what the Universe was like in its infancy.>>>Read more

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