Aspects, continued
Squares
occur when planets are about 90 degrees from each other in a chart. This
can also be expressed as 3 signs apart. Planets which are squared are
usually in signs of the same mode. This is the
symbol for a square. 
A square
is considered a difficult aspect. There is some sort of conflict between
the energies of the two planets in a square. This is how an exact square
between Uranus and Venus would look in a chart. Note that they are in
the same degree (7).
Sextiles
occur when planets are about 60 degrees apart (or two signs apart). The
planets in a sextile are usually in different, yet harmonious, signs.
Fire and Air are harmonious, as are Earth and Water. Here is the symbol
for a sextile. 
A sextile
is considered a harmonious aspect, though it is not as strong as a trine.
Here is how an exact sextile between Venus and the Moon would look in
a chart. Note they are in the same degree (7).
