Waspie_Dwarf Posted March 18, 2014 #1 Share Posted March 18, 2014 Ancient Earth hammered by double space impact We've all seen the films where an asteroid hurtles towards our planet, threatening civilisation.What's less well known is that menacing space rocks sometimes come in twos. Researchers have outlined some of the best evidence yet for a double space impact, where an asteroid and its moon apparently struck Earth in tandem. Using tiny, plankton-like fossils, they established that neighbouring craters in Sweden are the same age - 458 million years old. Read more... 1 Link to comment Share on other sites More sharing options...
:PsYKoTiC:BeHAvIoR: Posted March 21, 2014 #2 Share Posted March 21, 2014 The researchers make it sound like the idea of a simultaneous asteroids impacting a planet or a moon is some kind of mind blowing concept. They were clearly looking for the evidence. It's not as if they stumbled on a site and said "Whoa!". Link to comment Share on other sites More sharing options...
aquatus1 Posted March 21, 2014 #3 Share Posted March 21, 2014 It is interesting and unusual though. How often do you hear about an asteroid with a moon, let alone both of the hitting the Earth? Link to comment Share on other sites More sharing options...
Waspie_Dwarf Posted March 21, 2014 Author #4 Share Posted March 21, 2014 It is interesting and unusual though. How often do you hear about an asteroid with a moon, let alone both of the hitting the Earth? It's not as unusual as you might think. It's estimated that 10% of asteroids have moons. Link to comment Share on other sites More sharing options...
aquatus1 Posted March 21, 2014 #5 Share Posted March 21, 2014 And I learned something new! Link to comment Share on other sites More sharing options...
Frank Merton Posted March 22, 2014 #6 Share Posted March 22, 2014 This all took place quite awhile ago. Link to comment Share on other sites More sharing options...
aquatus1 Posted March 22, 2014 #7 Share Posted March 22, 2014 One...would imagine. 1 Link to comment Share on other sites More sharing options...
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