|
According to
established theory, no new planets have formed in
the Solar System for the past 4.6 billion (or so)
years. Yet, over the past couple of millennia man's
knowledge and definitions have resulted in changes
to the number of solar objects called planets. 
Using
concepts of the period, how many planets were
there and what were their names in each of the
following years (CE):
Take ten points
for every correct answer and an additional point for
the name of each solar object you can name that has
been deemed a planet. |
