Here is an image of the terminal velocity (the maximum velocity of rotation of the Milky Way), measured as a function of Galactic longitude in the fourth quadrant. It is made using a thresholding technique, that gives it banded appearance resembling a seascape when turned on its side.

An image of the terminal velocity (the maximum velocity of rotation of the Milky Way), measured as a function of Galactic longitude in the fourth quadrant.

Secrets of the 'galactic octopus wrestler'

CSIRO’s Dr Naomi McClure-Griffiths has been dubbed the 'galactic octopus wrestler' after discovering a new spiral arm of the Milky Way and in this video podcast, she describes how it feels to uncover the secrets of the Galaxy. (3:10)

  • 12 December 2007 | Updated 25 November 2011

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In 2003, CSIRO's Dr Naomi McClure-Griffiths and her team discovered a new spiral arm of the Milky Way.

She is now the Chief Executive Officer's Science Leader for the CSIRO Australia Telescope National Facility, and winner of the Malcolm Mackintosh prize for Physical Scientist of the Year.

In this video, she discusses her plans to step up our knowledge of our galaxy with the new Square Kilometre Array (SKA) Pathfinder telescope.

Find out more about Dr Naomi McClure-Griffiths: galactic octopus wrestler.