Which of the following best represents the speed of Halley's comet when it is nearest to Earth?
a.1 × 10^-5 kilometers per year
b.1 × 10^5 kilometers per year
c.1 × 10^-5 kilometers per hour
d.1 × 10^5 kilometers per hour

Question

Which of the following best represents the speed of Halley's comet when it is nearest to Earth?
a.1 × 10^-5 kilometers per year
b.1 × 10^5 kilometers per year
c.1 × 10^-5 kilometers per hour
d.1 × 10^5 kilometers per hour

cggurumanjunath · Answer

d.1 × 10^5 kilometers per hour http://wiki.answers.com/Q/What_is_the_speed_of_Halley's_Comet_when_it_is_nearest_Earth