The planets are the heart of astrology. Where the zodiac signs describe a style and the houses describe a setting, the planets are the actual characters in the story, the moving forces that give a birth chart its life. This page is your map to all ten of them, with a link through to a full reading for each.
What the Planets Mean in Astrology
In a birth chart, the planets are the active forces. They are the what. The signs describe the style, the how, and the houses describe the area of life, the where. So a chart might say that your drive (Mars, the what) is bold and impatient (in Aries, the how) and pours into your career (the tenth house, the where). Read this way, the planets stop being distant points of light and become the working parts of a personality.
Astrology counts ten planets, though that word is used loosely. The list opens with the Sun and the Moon, which are technically the two luminaries rather than planets, and closes with Pluto, which astronomers reclassified as a dwarf planet in 2006. Astrology kept all three regardless, because their symbolic weight in a chart has nothing to do with their official size. Together these ten give you a complete cast: identity, emotion, mind, love, drive, growth, discipline and the slow tides of change.
How to Read a Planet
Every planet in your chart is read three ways at once. First by its sign, which colours how that planet expresses itself: a Venus in Scorpio loves differently from a Venus in Libra. Second by its house, which tells you the area of life where that energy plays out, whether that is relationships, work, home or the wider world. Third by its aspects, the angles it makes to the other planets, which show how its energy cooperates with or strains against the rest of the chart. A planet is never read in isolation. It is read in conversation with everything around it.
The Personal Planets
The personal planets move quickly through the zodiac, so they differ noticeably from person to person even among people born in the same year. These five describe the most individual parts of who you are: your sense of self, your feelings, your mind, your loves and your drives.
- Sun: your core self, identity and vitality.
- Moon: your emotions, instincts and inner world.
- Mercury: your mind, communication and how you think.
- Venus: love, beauty, values and pleasure.
- Mars: drive, desire, energy and how you act.
The Social Planets
Jupiter and Saturn sit between the fast personal planets and the slow outer ones. They move at a middle pace, taking years rather than days to cross a sign, and they describe how you meet the wider world: your sense of opportunity and your sense of limit.
- Jupiter: growth, luck, expansion and belief.
- Saturn: discipline, structure, limits and life lessons.
The Outer Planets
The three outer planets move so slowly that they stay in a sign for years at a time, which means whole generations share the same placement. Their influence is generational and collective rather than personal, describing the deeper currents of an era. In your own chart they matter most through the house they fall in and the aspects they make to your faster, personal planets.
- Uranus: change, freedom, innovation and rebellion.
- Neptune: dreams, intuition, spirituality and illusion.
- Pluto: power, transformation, death and rebirth.
Planetary Rulers
Each zodiac sign has a ruling planet, the planet most at home in its energy. Mars rules Aries, Venus rules both Taurus and Libra, Mercury rules Gemini and Virgo, the Moon rules Cancer and the Sun rules Leo. The outer planets took on modern rulerships too: Uranus over Aquarius, Neptune over Pisces and Pluto over Scorpio. Rulership matters because it links the planets and signs into a single web. The planet that rules your rising sign is known as your chart ruler, and it carries special weight, acting as a kind of captain for the whole chart.
Planets in Retrograde
From time to time a planet appears to slow, stop and travel backwards across the sky. This is an optical effect of the planets moving at different speeds, not a real reversal, but astrology reads it as a shift in tone. A retrograde planet turns its energy inward, asking for review, revision and reflection rather than forward action. The most famous is Mercury retrograde, blamed for muddled messages, travel hiccups and second thoughts, which happens three or four times a year. Retrogrades are not something to fear. They are read as natural pauses, an invitation to revisit rather than rush.
How to Find Your Planets
To see where every planet sat at the moment you were born, run your details through our free birth chart calculator. It will map all ten planets by sign and by house in seconds. From there you can deepen the picture by reading about the twelve houses, which show where each planet's energy lands, and the signs, which show the style each one takes on. Together those three layers, planets, houses and signs, are the whole grammar of a chart.
Astrology Symbols and Glyphs
Every planet and sign has its own glyph, a small symbol used to mark it on a birth chart. Here are the astrology symbols and what each one means.
The Planet Symbols
| Symbol | Planet | Meaning |
|---|---|---|
| ☉ | Sun | your core self |
| ☽ | Moon | your emotions |
| ☿ | Mercury | your mind |
| ♀ | Venus | love and values |
| ♂ | Mars | drive and energy |
| ♃ | Jupiter | growth and luck |
| ♄ | Saturn | structure and limits |
| ♅ | Uranus | change |
| ♆ | Neptune | dreams |
| ♇ | Pluto | power and rebirth |
The Zodiac Sign Symbols
| Symbol | Sign | Stands for |
|---|---|---|
| ♈ | Aries | the Ram |
| ♉ | Taurus | the Bull |
| ♊ | Gemini | the Twins |
| ♋ | Cancer | the Crab |
| ♌ | Leo | the Lion |
| ♍ | Virgo | the Maiden |
| ♎ | Libra | the Scales |
| ♏ | Scorpio | the Scorpion |
| ♐ | Sagittarius | the Archer |
| ♑ | Capricorn | the Sea-goat |
| ♒ | Aquarius | the Water-bearer |
| ♓ | Pisces | the Fish |
Each sign glyph is a stylised picture of its symbol. To read about each, see the twelve signs.
Is Astrology Real?
Honestly, there is no scientific evidence that the planets influence personality or events, and astrology should not be treated as fact or as a substitute for real advice. What it offers instead is a symbolic language, a centuries-old vocabulary for thinking about the parts of yourself and asking better questions. Read the planets as mirrors for reflection rather than instructions, and they can be a genuinely useful, and quietly beautiful, way to make sense of your own story.
Keep Exploring
- planets in signs
- planets in houses
- what a birth chart is
- your chart ruler
- the free Astrology Path course
Frequently asked questions
Astrology uses ten planets: the Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. The Sun and Moon are technically luminaries and Pluto is a dwarf planet, but astrology counts all ten for their symbolic meaning.
The planets are the active forces in a birth chart. They show what is happening, such as identity, emotion, love or drive. The signs describe the style of that energy and the houses describe the area of life where it plays out.
The Sun, Moon and rising sign carry the most weight, with the Sun representing your core self. Your chart ruler, the planet ruling your rising sign, is also especially important, acting as a captain for the whole chart.
Personal planets are the Sun, Moon, Mercury, Venus and Mars, describing your individual nature. The social planets are Jupiter and Saturn. The outer planets are Uranus, Neptune and Pluto, which move slowly and shape whole generations.
Use a free birth chart calculator with your birth date, time and place. It maps all ten planets by sign and by house instantly, showing exactly where each planet sat at the moment you were born so you can read them in detail.
