He Kōrero mō ngā Whetū: Māori Astronomy & Navigation

The Science of Reading the Stars

A Science Written in the Sky

Long before the invention of GPS or compasses, Polynesian navigators sailed vast distances across the Pacific Ocean. Their primary tool was an incredibly deep understanding of the stars, sun, moon, and ocean currents. This was not luck; it was a precise science passed down through generations. In Aotearoa, this knowledge, known as **kōrero whetū** or **tātai arorangi**, was essential for navigation, timing planting and harvesting, and for cultural identity.

Key Stars and Constellations

Matariki (The Pleiades)

Indicator of: The Māori New Year

The pre-dawn rising of the Matariki star cluster in mid-winter marks the beginning of the Māori New Year. Its brightness and the clarity of each star were used to predict the success of the coming season. A clear, bright Matariki signalled a warm and productive year ahead.

Tautoru (Orion's Belt)

Indicator of: The "Tuna" or Eel Season

When Tautoru, the three bright stars of Orion's Belt, is seen rising in the east, it signals the time when the tuna (eels) begin their migration. This was a crucial time for harvesting this important food source.

Te Pae Māhutonga (The Southern Cross)

Indicator of: South

This is perhaps the most famous navigating constellation in the Southern Hemisphere. By identifying Te Pae Māhutonga, navigators could reliably find the direction of south, allowing them to orient their waka (canoe) on the open ocean.

Rehua (Antares)

Indicator of: The Height of Summer

Rehua is one of the brightest stars in the sky. Its appearance high in the summer sky was associated with the hottest months and the time when certain fruits and berries were ripe for picking.

The Star Compass: A Mental Map

Māori navigators did not use a physical compass. Instead, they used a mental model called a **star compass**. They memorised the rising and setting points of over 200 stars on the horizon. By knowing the sequence of stars that would rise and set throughout the night, they could hold a steady course. This was combined with knowledge of ocean swells, wind patterns, and the flight of birds to create a sophisticated and reliable navigation system.

Critical Thinking Questions

1. How is the Māori practice of using Matariki to predict the coming season a form of scientific forecasting?

2. The star compass is a "mental model". Why would it be important for every navigator on a waka to have the same mental model?

3. (Extension) Go outside on a clear night. Can you identify any of the stars or constellations mentioned in this handout? What direction are you facing?

📋 Teacher Planning Snapshot

Ngā Whāinga Ako — Learning Intentions

Students will engage with this resource to explore the intersection of STEM disciplines and mātauranga Māori — understanding how Indigenous knowledge systems and Western science share complementary ways of knowing the world.

Ngā Paearu Angitū — Success Criteria

  • ✅ Students can identify connections between mātauranga Māori and STEM concepts in this resource.
  • ✅ Students can explain how dual knowledge systems strengthen understanding of natural phenomena.

Differentiation & Inclusion

Scaffold support: Provide concept maps or sentence frames to scaffold access for students at the entry level. Offer extension tasks exploring specific mātauranga Māori knowledge domains (e.g., tohu āhua rangi, rongoā, whakapapa o te taiao) in greater depth.

ELL / ESOL: Pre-teach key vocabulary in both te reo Māori and English — including domain-specific STEM terms. Bilingual glossaries and visual anchors support comprehension. Allow students to demonstrate understanding in their preferred language.

Inclusion: Tasks are designed for a range of readiness levels. Neurodiverse learners benefit from structured, chunked activities with clear success criteria. Use hands-on, inquiry-based formats where possible. Affirm the value of different ways of knowing.

Mātauranga Māori lens: Mātauranga Māori encompasses astronomy, ecology, navigation, agriculture, and medicine — systems of knowledge developed over centuries. This unit treats mātauranga Māori as epistemically equal to Western science, not supplementary. Bring kaitiakitanga as a guiding ethic: knowledge is held in relationship, not extracted.

Prior knowledge: Students benefit from baseline understanding of the relevant STEM domain. No specialist te reo Māori knowledge required — glossaries provided. Best used after introductory lessons or as a standalone exploration.

Curriculum alignment

  • Nature of Science — Knowledge: Science is a way of investigating, understanding, and explaining our natural, physical world; mātauranga Māori offers complementary systems of knowledge that enrich scientific understanding.
  • Identity, Culture, and Organisation: Understand how different knowledge systems — including mātauranga Māori — shape how communities relate to the natural world.

📚 Enhanced NZ Curriculum Alignment

Science

Achievement Objective: PEB4-2

Investigate the components of the solar system

Social Sciences

Achievement Objective: SS4-8

Understand how exploration creates opportunities

Te Ao Māori

  • • Mātauranga Māori perspectives
  • • Traditional navigation knowledge

🌟 Related Te Kete Ako Resources - Ngā Rauemi Hono

🏆 Assessment & Extension Opportunities

Portfolio Assessment:

Create a navigation journal documenting traditional and modern techniques

→ View Cultural Assessment Strategies
Community Connection:

Interview local kaumātua about traditional navigation knowledge

→ See Unit 1: Te Ao Māori