On Dec 22, 2007 11:40 AM, Eugen Leitl <<a href="mailto:eugen@leitl.org">eugen@leitl.org</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
You'd need to launch the bird (that doesn't exist) NOW in order that<br>it can intercept and deflect (by assymetric ablation, perhaps a series<br>of such) the impactor weeks to months before impact. The earlier you'd
<br>get him, the less deflection you'll need.<br><br>We don't have any such standby capabilities right now. It wouldn't be<br>necessarily that expensive, given that you'd have to accelerate a payload<br>of less than 100 kg, potentially much less than 100 kg, if it's just
<br>a naked fusion device sans guidance but a detonator. Can we do such<br>precision shots right now? Delta-v is probably 10 km/s at least.<br></blockquote></div><br>I think a NEO threat would be a good opportunity to see an Orion eventually flying...
<br><br>Stefano Vaj<br>