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Moon opposite Mars is a very challenging aspect in synastry. It can prevent a relationship from forming at all. It can also cause relationships to be stormy.
The Moon is one of the Luminaries. As such, it plays an important role in every aspect of our lives, including relationships.
Mars is a key player in relationships, but usually in a negative way. Mars is the planet that governs how we handle conflict and how we go about getting our way.
An opposition is exactly what its name implies. Planets that have this aspect between them are diametrically opposed to one another.
Moon Opposite Mars in Synastry
In synastry, even at its best, the Moon opposite Mars will cause problems in relationships. It even has the potential of sabotaging positive aspects between two people.
Even if the two like each other, there will be at least some areas in which they do not see eye to eye.
It is in Mars’ nature to fight, and the influence of the Moon is deep. This means that this is not a situation in which two people can just “agree to disagree” when they run into trouble.
Yet, an opposition is a special aspect when it comes to relationships. It can bring balance.
Unfortunately, in the case of Moon opposite Mars, this balance will not be peaceful or comfortable. Even so, it can facilitate growth and change in the people involved.
There are certain sign combinations that will modify this aspect somewhat.
Moon in Scorpio, Mars in Taurus
This one of the better combinations for this aspect. The Moon struggles in Scorpio but is exalted in Taurus. In a similar fashion, Mars is unhappy in Taurus but rules Scorpio.
This means that the two have individual difficulties but they can help each other. This can create a healthy interdependence which can be the basis for a strong bond between the two.
They will still have disagreements, but they will find that they can balance and complement each other.
Moon in Capricorn, Mars in Cancer
The Moon is the ruler of Cancer, and Mars is exalted in Capricorn. As with all oppositions, when a planet is strong in one sign it is weak in the other.
There is a strong push for people to be independent and to stand on their own two feet in the Modern West, but that is often not good for relationships. Relationships work better when the two people are able to rely on each other to a certain extent.
This is especially important for a potentially volatile aspect such as the Moon opposite Mars. The interdependence and receptivity of this sign combination will go a long way towards easing this difficult aspect.
Moon in Cancer, Mars in Capricorn
With this sign combination, both planets are in a sign of strength but are uncomfortable in the sign of the other planet.
This tends to exacerbate the difficulties caused by Moon opposite Mars. Strength is good for individuals, but it becomes a problem when these two individuals have a hard aspect, like an opposition, between them.
When the inevitable conflict arises, both people will think that they are right and will be convinced the other is wrong. It will be hard for them to find common ground.
Moon in Taurus, Mars in Scorpio
This is the most difficult sign combination for this aspect. It is similar to the combination of Moon in Cancer, Mars in Capricorn in that both planets are in the sign of their strength and have trouble with the other sign.
On top of that, this opposition occurs in Fixed Signs, and all Fixed Signs have a tendency to be stubborn. This could lead to a stand-off that will go on a very long time.
This aspect will by necessity highlight opposite houses in the charts of the individuals concerned. This will also impact the interpretation of this aspect.
To learn more, see:
Moon in Houses Synastry Meanings: 1st through 12th House
Mars in Houses Synastry Meanings: 1st through 12th House
Man’s Moon Opposite Woman’s Mars Relationship
Hard Mars aspects such as Moon opposite Mars in synastry pose a special problem for romantic relationships.
Even though they are difficult, the tension generated by these types of aspects can translate into sexual chemistry. This can bring people together who are otherwise incompatible. This is a particular danger with Moon opposite Mars.
When it is a man’s Moon that is opposite a woman’s Mars, he finds her strength and assertiveness attractive and threatening at the same time. This can turn into a very troublesome situation.
As with all aspects, it will be important to look at the full synastry profile. There may be other more harmonious aspects between the two that will mitigate this one.
Woman’s Moon Opposite Man’s Mars Relationship
The classic trope for an opposition between a woman’s Moon and a man’s Mars is that of a woman who is hopelessly attracted to a “bad boy.” She may or may not have illusions that she can change him.
Of course, the man involved may be perfectly respectable and even a pillar of society. Even so, she will still be attracted to the “bad boy” part of his nature and will tend to bring it out even if it is otherwise hidden.
Despite the attraction, this aspect does not do anything towards facilitating a happy, healthy long-term relationship. It does not necessarily prohibit this, but it will create problems that the two will need to overcome.
When interpreting this aspect, it will be important to determine if there are other, more harmonious aspects which will help.
Moon Opposite Mars in Friendship
Moon opposite Mars is also difficult in friendship synastry. It can prevent a friendship from forming. It can also keep friendships that do form from becoming close.
Even if the two manage to develop a close friendship, there is always a danger of a big rift that will tear the two apart.
If the two do manage to become friends and stay friends, it will be because of other more positive aspects between them. Even so, it will help for them to be aware of Moon opposite Mars, so that they can learn to understand or even avoid the problems it can cause.
How to Tell if the Moon is Opposite Mars in Synastry
Each sign has an opposite. If the Moon and Mars are in opposite signs, there will be some influence of this aspect present.
The graphic below shows the opposite pairs.
The orb, or allowable margin of error, for aspects between the Moon and Mars is nine degrees. With the Moon opposite Mars, the closer the aspect is to exact, the more difficult it will be.
The Moon can be opposite Mars by degree across signs. In this case, the aspect will be more severe.
If signs are opposite, even though they clash, they have things in common. This is not the case for the two signs that are adjacent to the sign’s opposite. With a cross-sign opposition, the planets rub against each other without any basis for mutual understanding.
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Moon opposite Mars is one of the more difficult aspects in synastry. It can exacerbate other tough aspects, and it can ruin the harmony of positive ones.
It will almost always point to a source of conflict between two people. Even so, one must look to the full synastry profile to determine whether the two will be able to overcome their difficulties.