Visible Planets August 2015 – Mercury and Venus


Here is our post about the visible planets: Visible Planets.

Here is our post for the other visible planets: Visible Planets August 2015 – Mars, Jupiter and Saturn


Mercury: NASA
Mercury: NASA

Mercury has the honour of being the closest planet to the Sun.  It’s round the Sun takes 88 days.  So, a Mercury year is 88 Earth days long.

Now, a Mercury day is 176 Earth days long! It spins or rotates very slowly on its own axis.

Mercury passes over the Sun every 7 years.  This next happens on May 16th 2016.  I’ll order some of the special glasses early.  We never look at the Sun, Brian Cox says not to!

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