by Richard Easther | Dec 24, 2018 | Astronomy, Cosmology, New Zealand, Personal
Each galaxy lives within its own three-dimensional halo of dark matter whose gravitational field corrals the stars within it. Without the stars, the halo would still be there, albeit invisible to our eyes; but if the halo vanished, the stars would scatter into the...
by Richard Easther | Dec 19, 2018 | Education, New Zealand
Showing visitors around the University of Auckland can be a quick lesson in our colonial history. The University is named for the city, which is named for a spectacularly unsuccessful Governor-General of India. Our oldest streets are centred on Queen Street — which is...