The planets are the “what” of your chart

Think of your birth chart as a play. The planets are the characters, the zodiac signs are the costumes they wear, and the houses are the rooms where each scene takes place. When you ask “what part of me is this?”, the answer is a planet.

In astrology the Sun and the Moon count as planets too. They aren’t planets to an astronomer, but in a chart they work the same way, so astrologers call all ten of them planets for short.

The ten fall into three groups:

• The personal planets: the Sun, Moon, Mercury, Venus and Mars. They move quickly, so they make you different from someone born a few weeks or even a few days earlier. They describe your everyday self: how you think, feel, love and act.
• The social planets: Jupiter and Saturn. They describe how you grow, how you take on responsibility and how you find your place in the wider world.
• The outer planets: Uranus, Neptune and Pluto. They move so slowly that everyone born within several years shares the same sign for them. They speak more about a generation than about one person, and they become personal through the house they sit in and the planets they touch.

If you already know your big three, you’ve met two of the planets: your Sun and your Moon. Here are all ten.

The ten planets, one by one

The Sun: who you are at heart

The Sun is your core, the part of you that wants to shine and feel truly alive. It answers the questions: What lights me up? What am I here to grow into? Where do I feel most like myself? It’s the sign you read in horoscopes, and it shows your purpose and your way of being seen. The Sun rules Leo.

Example: the Sun in Virgo feels most alive when it’s making something work better.

The Moon: how you feel

The Moon is your emotional life: your moods, your instincts and what makes you feel safe. It answers: What comforts me after a hard day? What do I need from the people I love? How do I react before I’ve had time to think? Your Moon is the part of you that shows at home, in pajamas, when no one is watching. It rules Cancer.

Example: the Moon in Aries needs to let a feeling out right away, then it’s over.

Mercury: how you think and talk

Mercury is your mind and your voice. It describes how you learn, how you speak, how you text, and how you sort the hundred small decisions of a day. It answers: How do I take in new ideas? How do I explain myself? What gets my curiosity going? Mercury rules Gemini and Virgo: Gemini for quick, curious talk, Virgo for careful, useful analysis.

Example: Mercury in Scorpio reads between the lines of every message you send.

Venus: how you love and what you enjoy

Venus is about attraction, pleasure, beauty and the things you value. It shows how you show affection, what you find lovely, and what makes you feel cherished. It answers: What do I want in a partner? What makes a room, an outfit or an evening feel right? How do I make peace? Venus rules Taurus and Libra: Taurus for the senses and comfort, Libra for harmony and partnership.

Example: Venus in Gemini falls for a quick wit before a pretty face.

Mars: how you act and what you go after

Mars is your drive: your energy, your courage, your temper and your desire. It shows how you chase what you want and how you handle conflict. It answers: How do I get started? What makes me angry, and what do I do with it? How do I stand up for myself? Mars rules Aries, and it is the traditional ruler of Scorpio.

Example: Mars in Taurus gets there slowly but never gives up.

Jupiter: how you grow

Jupiter is expansion, hope and generosity. Where Jupiter sits, life tends to feel bigger and you’re inclined to say yes. It answers: Where do I find meaning? What do I believe in? Where am I lucky, and where might I overdo it? Jupiter can make things grow, including things you didn’t mean to grow, like a calendar with no free evenings. It rules Sagittarius, and it is the traditional ruler of Pisces.

Example: Jupiter in Cancer grows by taking care of others and building a home.

Saturn: how you build and mature

Saturn is structure, time, patience and responsibility. It shows where you work hardest, where you feel tested, and where you slowly become someone others can count on. It answers: What am I afraid I’m not good enough at? Where do I need boundaries? What will I build over a lifetime? Saturn can feel strict, like a demanding teacher, but its lessons last. It rules Capricorn, and it is the traditional ruler of Aquarius.

Example: Saturn in Libra learns that a fair “no” protects every relationship.

Uranus: where you break the mold

Uranus is change, freedom, surprise and invention. It shows where you refuse to follow the script and where life likes to wake you up. It answers: Where do I need to be different? What sets me free? Where do sudden insights strike? For a whole generation, its sign describes the kind of change that generation cares about. Uranus rules Aquarius.

Example: Uranus in Taurus asks a generation to rethink what security really means.

Neptune: where you dream

Neptune is imagination, compassion, spirituality and longing. It blurs edges, so it can bring inspiration and also confusion. It answers: What do I dream about? Where do I feel connected to something larger? Where am I tempted to see what I wish were there? Neptune rules Pisces.

Example: Neptune in Pisces gives a generation a deep hunger for art and empathy.

Pluto: where you transform

Pluto is depth, power and renewal. It shows where life asks you to let something go so something truer can grow. It answers: Where do I hold on too tightly? What do I need to face to feel whole? Where do I find my real strength? Pluto rules Scorpio, alongside Mars, its traditional ruler.

Example: Pluto in Capricorn shows a generation questioning who holds power and why.

The planets at a glance

The slower a planet moves, the more people share its sign. Your Moon sign might differ from a sibling born just two days apart, while your Pluto sign is the same as that of nearly everyone in your school year.

Signs, houses and aspects: putting a planet in context

A planet never works alone. Its sign tells you how it behaves: Venus in Aries loves boldly, Venus in Capricorn loves with commitment and care. Its house tells you where in life it shows up most, such as work, home or friendship. And its aspects, the angles it makes to the other planets, tell you who it talks to and whether they get along easily or push each other to grow.

The same planet can also feel stronger or quieter depending on its sign. The element of that sign, fire, earth, air or water, adds its own flavor too: Mars in a fire sign moves fast, while Mars in a water sign acts on feeling.

What “retrograde” means

Every planet except the Sun and the Moon sometimes appears, from Earth, to slow down, stop and move backward through the zodiac for a while. This is called retrograde. The planet isn’t really reversing; it only looks that way because Earth and the other planet move around the Sun at different speeds. When Earth overtakes a slower outer planet, or a faster inner planet such as Mercury overtakes Earth, the changing angle of view makes the planet seem to slip backward against the stars. Astrologers read a retrograde as a time to review, revisit and rethink the themes of that planet rather than push them forward. The best known is Mercury retrograde, which happens three or four times a year, and you can follow all the retrogrades in the astrology calendar.

Questions about the planets