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Brian Boyle, Director, Australian National Telescope Facility Stretching over a continent and comprised of over 5000 antennas, the Square Kilometre Array is proposed to be the world's largest radio telescope and one of the most ambitious pieces of scientific infrastructure ever built. It will address some of the key questions of 21st century astronomy and physics and act as a scientific icon for generations to come. New Zealand has the opportunity to join in Australia's Bid to host this multi-billion dollar telescope. (Recorded in Wellington)
Dr Jenni Adams, Department of Physics and Astronomy, University of Canterbury. More than 50 trillion solar neutrinos pass through your body every second! Abundant but elusive, these particles have truly amazing properties and provide a new way to look out at objects in our galaxy and beyond.
Professor Jack Baggaley FRAS FRSNZ, Department of Physics and Astronomy, University of Canterbury Comets and asteroids provide us with vital clues as to how the solar system was born. Small sized asteroids may reach the ground as meteorites, sometimes producing impact craters or exploding dramatically. Impacts by large comets and asteroids are a very real threat to the survival of mankind. There are international programmes with networks of dedicated telescopes to map the positions of these objects and forecast their future trajectories and approaches to the Earth. (Recorded in Christchurch)
Alan Gilmore, Mt John Observatory, University of Canterbury The realisation that stars are just distant suns, like our own, led to speculation about the existence of other planets, and other life forms. The first extra-solar planet orbiting a 'normal' star was detected in 1996. More than 300 planets have now been identified, and many have been discovered by New Zealand astronomers. But the chances of finding one which has the pre-requisites for life are slim, and even if we do find another in "The Goldilocks Zone", the possibility of travelling to it is as yet out of the question. Earth is a very special place indeed. (Recorded in Tekapo)
Dr Grant Christie MNZM, Research Astronomer, Stardome Observatory The first stars formed when the Universe was less than 2% of its current age. At this early epoch the conditions were very different to those that exist now so exactly how these stars got started and what they were like remains a major unsolved problem in astronomy. Can we probe this far back in time and shed light on how the first stars formed? Recorded at Auckland's Stardome.
Associate Professor Ruth Barton, The University of Auckland When Galileo turned his telescope to the stars he saw spots on the sun, mountains on the moon, and moons about Jupiter. The moons of Jupiter, he wrote, proved the glory of the Medici name (and this gained him the position of mathematician and philosopher at the Medici court), but did they prove the Copernican theory that the Earth moved in circles around the Sun as Galileo claimed? (Recorded in Hamilton)
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