Talk:Vela X-1

How far away from Earth is the shock wave from this supernova remnant? how fast is it traveling? when will it reach us? and what will be the likely effect? 99.231.208.23 (talk) 07:33, 4 January 2008 (UTC)
 * http://www.valdostamuseum.org/hamsmith/13Mar41.html#Vela