Tagged: cosmic impacts

Asteroid Day… and what may follow - Out of Space

Duncan Steel Jun 30, 2019

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] 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 … Read More

Defending the planet from asteroids - Out of Space

Duncan Steel May 02, 2019

[avatar user=”duncansteel” size=”thumbnail” align=”right” /] 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 … Read More