Feb 5, 2026 | Big Ideia 1, Big Ideia 3, Big Ideia 4, Big Ideia 7, Comet, CY, Resource, Solar System
Students are guided to move around the Orrery, first along Earth’s orbit, then along the orbits of the other planets, and to identify their own birthdays (one birthday = one year older = one more complete revolution). After moving for the same amount of time along...
Feb 5, 2026 | Big Ideia 3, Big Ideia 4, Big Ideia 7, Big Ideia 8, FHOU, Resource
Students compare astronomical images taken at different dates to identify a moving object among fixed stars. They analyze brightness and positional changes, testing hypotheses about visibility and motion, including retrograde effects. Through this investigation, they...
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 3, OAE, Resource
There are many interesting features in the evening sky that can be observed with the naked eye: a wide variety of colours, clouds and stars, the subtle colours of stars twinkling, motion of the stars, and…that there is a starry sky even in an urban area!...
Feb 5, 2026 | Big Ideia 3, Big Ideia 7, OAE, Resource
With this activity the students learn the difference between meteoroids, meteors and meteorites, finally discovering what a “shooting star” is, thanks to simple, hands-on activities. They will also be able to get an idea of how the impact of asteroids...