Tagged: planetary defence

Asteroid Day… and what may follow - Out of Space

Duncan Steel Jun 30, 2019

The Tunguska explosion in 1908 was due to the arrival of a small (perhaps 50 metre) cosmic object, quite likely a fragment of a known comet. Astronomers are now wondering whether siblings of that projectile might pass close by the Earth over the next week or so.  I write tonight on Asteroid Day, which occurs on June 30th each … 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