Tagged: near-Earth objects

Big Eye Wide, But Shut - Out of Space

Duncan Steel Nov 23, 2020

A few days ago the US National Science Foundation (NSF) announced the decommissioning of the Arecibo Observatory in Puerto Rico. This story has been the subject of items in the mass media around the globe, and also in New Zealand. Cables supporting the massive horns and radio receivers above the dish have snapped, the actual dish surface has been … Read More

Science at the movies: The new comet impact film - Out of Space

Duncan Steel Oct 22, 2020

Disaster movies forever capture the public attention… but did you ever stop to think that the word disaster actually means bad star? That is, ‘dis’ implies a pejorative (as in disease, or disgust, or disrespect), while ‘aster’ comes from the Latin astrum, similarly the Greek astron. Obviously enough, this derives from old astrological beliefs. In modern science, asteroids are called that … Read More

Small asteroid to make near-miss of Earth in NZ skies tonight - Out of Space

Duncan Steel Sep 24, 2020

Sorry for the late notice on this one, but I only just heard myself, in common with most of the human race. A small asteroid, somewhere between the size of a truck and the size of a house in dimensions, will hurtle past the Earth tonight, dipping closer to our planet’s surface than the altitude at which TV transmission and … Read More

Imagine an asteroid impact due in 2027: How would you tackle it?   - Out of Space

Duncan Steel May 09, 2019

It’s now scientifically possible to predict potential asteroid impacts years in advance. But knowing that such a calamitous event is going to occur, due to the clockwork of the heavens, presents its own problems. Can we divert it, and if so, how? Similarly, if the impact is inevitable, can we model what is going to happen far ahead of time, … Read More

Defending the planet from asteroids - Out of Space

Duncan Steel May 02, 2019

Astronauts, astronomers, planetary scientists, space researchers and aerospace engineers are meeting near Washington DC to discuss how we might deal with any asteroid found to be heading for a cataclysmic collision with Earth, perhaps causing a global catastrophe. That is, if it was actually found before it caught us unawares.  As I type this I am sat in a large, … Read More

Harry Hindmarsh Atkinson: obituary - Out of Space

Duncan Steel Jan 27, 2019

Harry Atkinson in 2012 (courtesy William Tobin). Harry Atkinson was one of those able New Zealanders who went overseas to study, fully intending to return one day to these shores to live, but due to their great success in their adopted homelands never did so. A physicist by training, he moved into science advice and administration in Britain and … Read More