at the end of this week to plants will
do a cosmic backpedal that had
astronomers scratching their heads for
centers that's right James Mars and
Mercury will begin moving backwards
against the background start we call it
retrograde motion what we talking about
let's show you ok we have our sky set
for just after sunset facing west just
pull you close to the horizon starting
on April 19 Merkel will begin getting
lower in the sky today as it starts
cashing in on May 9 Wilson much we
passed directly in front the Sun and
what astronomers call a transit advance
our clock to midnight we'll see the
planet mars among the stars of Scorpius
this working as a leech past 23 Mar is
moving westward just as it nears the
constellation Libra on July 4th to
resume its normal west to east movement
among the stars keep looking up