David Parkinson – The Conversation

The active galaxy Centaurus A, with jets emanating from the central black hole. ESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray)

November 14, 2024

Egg‑shaped galaxies may be aligned to the black holes at their hearts, astronomers find

David Parkinson, The University of Queensland and Jeffrey Hodgson, Sejong University

New analysis of radio telescope data links the shape of galaxies to the supermassive black holes they host.

Massive bodies can send ripples through space time in the form of gravitational waves. NASA

February 11, 2016

Gravitational waves discovered: top scientists respond

Keith Riles, University of Michigan; Alan Duffy, Swinburne University of Technology; Amanda Weltman, University of Cape Town; Daniel Kennefick, University of Arkansas; David Parkinson, The University of Queensland; Maria Womack, University of South Florida; Stephen Smartt, Queen's University Belfast; Tamara Davis, The University of Queensland, and Tara Murphy, University of Sydney

The long awaited discovery of gravitational waves has sent ripples through the scientific world. Here top experts respond to the historic announcement.

Time can feel like that sometimes, even if the Earth’s rotation isn’t slowing down. JD/Flickr

June 30, 2015

Temporal flux: why we need to keep adding leap seconds

David Parkinson, The University of Queensland

Keeping time isn’t easy, particularly as the Earth’s rotation is slowing down, so we need to keep adding troublesome leap seconds.

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