Apr 13, 2009 ... The appearance of the Halley's comet has been a matter of great ... to calculate
the speed and distance at which comets travel around the Sun. .... still so
amazing to do reasearch about - mckenzie byerly [November 1, 2011].
Sep 27, 2012 ... The comet was discovered on September 21 by Vitali Nevski and Artyom
Novichonok. ... I refuse to get excited this soon. ... up when I was 11 or 12 at 4am
in the morning to see Haley's Comet. ... How fast does a comet travel?