Editor's note

Just hours remain before the Cassini spacecraft takes its final plunge into Saturn. The last signals it sends to Earth will be picked up first by the CSIRO-run NASA tracking station in Canberra. As the station’s Ed Kruzins writes, the probe’s destruction in the ringed planet’s atmosphere will mark an emotional end to its 20-year mission.

Plus you shouldn’t miss today’s Friday essay. When the HIV/AIDS crisis arrived in Australia in 1982, volunteers drove a massive, and successful, public health response, often at great personal cost. Shirleene Roberts argues it’s time to recognise these unsung heroes.

Michael Lund

Deputy Science and Technology Editor

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An illustration of Cassini as it plunges into Saturn’s atmosphere. NASA/JPL-Caltech

Mission over: the final countdown to Cassini's fatal plunge into Saturn

Ed Kruzins, CSIRO; Richard Stephenson, CSIRO

The last signals from Cassini space probe before it burns up in Saturn's atmosphere will tracked by the Canberra Deep Space Communication Complex.

Arts + Culture

  • Friday essay: recognising the unsung heroes of Australia's AIDS crisis

    Shirleene Robinson, Macquarie University

    The AIDS crisis arrived in Australia in 1982 and triggered an enormous (and successful) public health response, largely driven by volunteers. These people, often from marginalised communities in their own right, deserve recognition in Australia's proud volunteer tradition.

  • My favourite album: Yothu Yindi's Tribal Voice

    Aaron Corn, University of Adelaide

    The songs of Tribal Voice offered hope and strength to generations of Yolŋu people and gave audiences elsewhere a rare insight into the resolve and aspirations of Indigenous Australia.

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