Feb 5, 2026 | Big Ideia 3, Big Ideia 4, Big Ideia 5, Big Ideia 6, Big Ideia 9, Galaxy, IAC, Resource
When we look up at the night sky with our eyes, almost all of the bright spots we see twinkling are stars in our galaxy, the Milky Way. If the night is dark, we can also see faint spots of light. These are the galaxies closest to our own, the Andromeda Galaxy and the...
Feb 5, 2026 | Big Ideia 1, Big Ideia 3, Big Ideia 4, Big Ideia 5, Big Ideia 7, Earth, IAC, Resource, Solar System
The Solar System contains the Sun, (at least) eight planets and their moons, and many smaller objects such as dwarf planets, asteroids, and comets. Inner and Outer Planets The Solar System containsthe Sun, (at least) eight planets and their moons, and many smaller...
Feb 5, 2026 | Big Ideia 4, Big Ideia 5, IAC, Resource, Solar System
This activity is part of teaching unit 4, Gas Giants. You can find the introduction and teaching guide here. Gas Giants – Saturn This activity is part of teaching unit 4, Gas Giants. You can find the introduction and teaching guide here. Saturnis the second largest...
Feb 5, 2026 | Big Ideia 4, Big Ideia 5, Big Ideia 6, Big Ideia 9, Black Hole, Galaxy, IAC, Resource, Star
There are different methods for measuring the distances at which heavenly objects are located. Each method is useful for measuring a certain range of distances. In Unit 2 “Distances in the universe. Galaxies”, you can see how distances to the nearest stars in our...
Feb 5, 2026 | Big Ideia 1, Big Ideia 4, Big Ideia 5, Big Ideia 6, Big Ideia 7, IAC, Resource, Solar System
This activity is part of teaching unit 5, Laws of Planetary Motion. You can find the introduction and teaching guide here. Laws of Planetary Motion – Galilean Satellites This activity is part of teaching unit 5, Laws of Planetary Motion. You can find the introduction...
Feb 5, 2026 | Big Ideia 4, OAE, Resource
In this hands-on activity, we introduce students to the fundamentals of analyzing light and spectra, or spectroscopy. Using images from the Hubble Space Telescope (HST), students will undertsand that stars appear different colours. But why? Analysing a variety of...
