What an aspect is in the birth chart
An aspect is the distance between two pieces of the chart, measured in degrees — and that is what says whether they work together, ignore each other or fight. The previous series describe each piece on its own: the planet in the sign, the planet in the house. This one describes what happens between two of them.
There are five distances that tradition calls the major aspects: the conjunction (0°), the sextile (60°), the square (90°), the trine (120°) and the opposition (180°). Each has its own way of putting two pieces in contact, and none of them is good or bad — what exists is what each one charges and what each one delivers.
And there is the number almost no text gives: the orb. Two pieces at exactly 90° form a square; at 97°, they form nothing. This blog uses 6 degrees for the major aspects, and outside that they are two pieces in the same chart, which is another thing. That is why an aspect is not found out from the date: it needs the calculated chart.
And there is a reading order that changes everything, and that almost no site respects: the aspect comes last. It describes the relationship between two pieces, and there is no reading the relationship without knowing both. Whoever arrives here without having read each piece in the sign and in the house is reading the conversation without knowing who is speaking.
What Sun and Mars mean together
The aspect between Sun and Mars says whether your will and your action pull the same way. The Sun is what the person wants to be; Mars is what she does. When the two match, wanting and acting are one gesture. When they do not, there is a distance between the person she intends to be and the way she moves in the world — and that distance shows up for everyone else before it shows up for her.
It is the aspect of courage, and also of waste. Mars is raw energy: with the Sun aligned it becomes work; against it, it becomes fighting, hurry and tiredness with no result.
And here is what hardly any text writes down: an aspect is a RELATIONSHIP, and not one more piece. It does not add a trait to your chart — it says how two traits that are already there get along with each other. In this pair that is quick to notice: a person with the Sun in Libra and Mars in Aries has both pieces in the chart either way. The aspect says whether they contradict each other in public.
It is worth giving the number before any reading, because without it there is no aspect: this blog uses a 6-degree orb for the major aspects. Outside that they are two pieces in the same chart, which is another thing. And the orb needs the calculated chart — and Mars changes sign every two months, which makes the date insufficient for knowing the exact distance between the two.
The conjunction of Sun and Mars
The conjunction fuses will and action: this person does what she wants, and does it now. There is a courage in her that others notice and a hurry that others suffer. She decides and executes in the same movement, which makes her unbeatable at starting things and bad at waiting.
The cost is the missing pause between the impulse and the gesture. Whoever has no such interval has no way to correct her aim, and the bill comes in decisions made in anger and in relationships burned by a ten-second sentence.
The easy aspects: sextile and trine of Sun and Mars
The sextile and the trine leave will and action talking with no effort. The person acts when she decides, with no drama and no postponement. It is the practical definition of efficiency, and she usually thinks everyone is like that — until she shares a task with someone who is not.
The cost is the usual one: it was never tested. Whoever always managed to act did not build the patience of someone who had to insist, and for that reason tends to give up early on whatever does not work the first time.
The tense aspects: square and opposition of Sun and Mars
The square and the opposition set will against action — and it is from that friction that conscious courage comes, which is the only kind one can count on. The person wants one thing and does another: she postpones what matters and gets annoyed by what does not. She lives with a background anger she does not know where to put, and usually finds out late that it is the right energy in the wrong place.
The fix is not to calm down: it is to give it a destination. Mars needs a target, and in a tense aspect the target has to be chosen on purpose — sport, hard work, a cause — because with no destination it chooses on its own, and chooses badly.
How the aspect between Sun and Mars shows up day to day
It shows up in the difference between what this person says she will do and what she does on Monday. They are concrete signs, the kind one recognizes in one's own week — and they hold for any of this pair's aspects, because the subject is the same and what changes is the friction:
- acts before finishing thinking, or the other way round
- has energy to spare and needs a destination for it
- gets annoyed by what does not matter and postpones what does
- is read as brave by some and as impulsive by others
- works better with a tight deadline
- recognizes her own anger afterwards, and not during
Notice what this list does not say. It does not say the person is aggressive or impatient — two labels this pair carries that describe the extreme, not the aspect. It says her energy needs a chosen target, not less energy.
This does not show up the same way in two people with the same aspect. What changes is which signs and which houses the two pieces fell in, and how they get along with the rest of the chart.
See this in my chart, freeThe easy aspect has a cost, and the tense one has a gift
This is the inversion most texts do not make, and it holds for every pair: what runs with no friction was never tested, and what bothers is what produces. The trine between Sun and Mars delivers the result with no effort — and for that reason the person usually does not build the muscle, and finds that out on the day the ease is not enough. And the square delivers the opposite: a person who had to learn to act on purpose, and who for that reason knows how it is done.
In this pair the difference is obvious in any long project: the trine starts better and the square finishes more. The Shelly Method reads every archetype through four faces — the light, the shadow, the excess and the deficiency —, and in an aspect they get distributed between the two pieces: almost always one of them is in excess and the other in deficiency, and the fix goes through the weak side.
How Sun and Mars evolve over time
It matures when the energy gains a chosen target, and not a target of circumstance. It usually happens when the person finds a job or a cause big enough to absorb what she has — and the background irritation disappears the same month.
Maturity here is not having less force. It is the person telling apart the action that builds from the one that only discharges — and it is that distinction that turns hurry into courage.
No honest text gives an exact age for this: the arc depends on the whole chart.
What the aspect between Sun and Mars does not say about you
It says how those two pieces get along, and not who you are. A Sun square Mars makes nobody violent: it makes the energy arrive before the direction, which is a problem of aim and has a fix.
Which signs and which houses the two fell in changes everything: a Sun in Cancer with Mars in Aries in a square is someone who explodes and then withdraws; a Sun in Capricorn with the same square is someone who pushes and does not stop. See The Sun in the 12 signs and Mars in the 12 signs, which describe each piece on its own — and that is the reading that comes before this one.
A limit said out loud, because it is part of reading seriously: none of this is prediction. Astrology describes a tendency and gives vocabulary for what the person already lives — it does not replace your work or your decisions.
Frequently asked questions about Sun and Mars in the chart
How do I find out whether I have this aspect in my chart?
Only with the calculated chart. An aspect is a distance in degrees, and a degree cannot be estimated from the date: the two pieces have to be within 6 degrees of the exact distance for the aspect to exist. It is different from the sign, which the date gives — and it is why this series asks for the chart before any reading.
Is a tense aspect bad and an easy aspect good?
No, and that is the reading this blog refuses on every page. The easy aspect runs with no friction and for that reason was never tested — the person usually does not build the muscle, and finds that out on the day the ease is not enough. The tense one bothers, and it is the bother that produces. The biographies worth reading tend to be full of squares.
Does Sun square Mars make a person aggressive?
No. It makes the energy arrive before the direction, and energy with no target looks for one. The fix is giving it a destination on purpose — hard work, sport, a cause —, because with no chosen destination Mars chooses on its own.
Why do I have so much energy and get so little done?
It is the signature of this pair's tense aspects: the will pulls one way and the action another, and the energy gets spent on the negotiation. What solves it is not discipline in general: it is one target only, chosen, with a deadline.
What comes first: the aspect or the planet in the sign?
The planet, always. An aspect describes the RELATIONSHIP between two pieces, and there is no reading a relationship without knowing both. Whoever arrived here straight away should go back to the series on each piece in the sign and in the house, and only then read this one — the reading becomes another thing.
Does an aspect that is not exact still count?
It counts, and more weakly the further it is from the exact degree. An aspect 1 degree off is a central piece of the chart; at 5 and a half degrees, it is one more trait. And that is why the difference between a calculated chart and an estimated one shows up here before it shows up anywhere else.
Sun and Mars in short
Keywords will, action, impulse, coherence
This one cannot be found from the date or from the sign: the twelve houses are counted from the Ascendant, and the Ascendant changes roughly every two hours and depends on the CITY where you were born. With no time and no place there is no house at all — not even an approximate one. You can calculate it for free here.
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