Lessons
16 short lessons in three courses — with an exercise in the live 3D sky and a three-question test. Free.
The sky
Astronomy you can see with your own eyes.
1. The Celestial Sphere: Horizon, Zenith, DirectionsAfter this lesson you will be able to find your way around the sky using the horizon, the zenith and the four directions, and describe where an object is.2. The Ecliptic and Why Planets Follow One PathAfter this lesson you will be able to explain what the ecliptic is and find the planets along this line in the sky.3. The Moon: Phases, Nodes and EclipsesAfter this lesson you will be able to tell the Moon’s phase from its appearance and explain when and why solar and lunar eclipses happen.4. Planets in the Night Sky: Which Are Visible to the Naked Eye and WhenAfter this lesson you will be able to recognise the five bright planets without any instrument and know when and where to look for them.5. Constellations and Bright Stars: How to Find Your WayAfter this lesson you will be able to find key constellations and bright stars and use them as guideposts in the night sky.6. Retrograde Motion: The Illusion Everyone NoticesAfter this lesson you will be able to explain in simple words why planets sometimes seem to move backward, and how to follow it in the 3D sky.
The tradition
Astrology as cultural heritage — for inspiration, not science.
1. Where the Zodiac Comes From: Babylon, the Hellenistic World, TodayAfter this lesson you will be able to explain in a few sentences how the zodiac emerged in Babylon, how it reached Greek culture, and how today’s sky differs from the traditional twelve signs.2. The 12 Signs: Elements and CrossesAfter this lesson you will be able to group the 12 signs by element and by cross, and explain what tradition says about each group.3. Houses and the Ascendant: The Chart as a ClockAfter this lesson you will be able to explain what the Ascendant and the astrological houses are and why birth time matters for them.4. Aspects: The Language of AnglesAfter this lesson you will recognise the five main aspects in the astrological tradition and be able to estimate the angle between two planets in the Astronativa 3D sky.5. Retrograde planets in tradition — calmly, without fearAfter this lesson you will be able to explain in simple words why planets appear to move backward and how astrological tradition reads this as an invitation to review and reflect.6. How to Read Your Own Chart with ModerationAfter this lesson you will be able to explore your own chart calmly and with curiosity, drawing reflective questions from it rather than verdicts or predictions.
AI and the sky
How to use AI wisely and check what it says.
1. How an AI Horoscope Works (and What It Cannot Do)After this lesson you will be able to tell, in any AI horoscope, what is an astronomical calculation, what is a retelling of tradition, and where the model may go wrong.2. How to Ask AI About the Sky and Check the AnswerAfter this lesson you will be able to ask AI clear questions about the sky and check its answers against reliable sources.3. Accuracy: Ephemerides, Time Zones and Birth TimeAfter this lesson you will know why planetary positions come from ephemerides, how time zones change a birth time, and how to check whether an AI answer is accurate.4. Personal data: birth data is personalAfter this lesson you will know which birth details are reasonable to share with AI, how to reduce or change them, and how to get a useful reading without unnecessary risk.
Positions in Astronativa are astronomically exact. The interpretation is for inspiration. · Glossary · Terms · Privacy