12-18 years

Solar eclipses : luminosity, temperature, area covered…

Dificuldade: ★ ★

Solar eclipses : a “scale model”

Dificuldade: ★

Moon, phases and eclipses

Dificuldade: ★ ★

Ring’Round the roses in the houses of the Sun

Dificuldade: ★

Elliptical Orbits

Dificuldade: ★ ★

Rock Cycle

Dificuldade: ★ ★

Solar System Science

Dificuldade: ★ ★

Planet Tours

Dificuldade: ★ ★ ★

Saturn 

Dificuldade: ★ ★ ★

Doppler effect and Saturn spectrum

Dificuldade: ★ ★ ★

Roemer and the velocity of light

Dificuldade: ★ ★ ★

From the Galilean Solar System to the detection of new minor bodies

Dificuldade: ★ ★ ★

Second, metre and speed of light

Dificuldade: ★ ★

Comets: very especial visitors

Dificuldade: ★ ★

Determination of Jupiter’s mass

Dificuldade: ★

Kepler Laws. Experiments

Dificuldade: ★ ★ ★

Galileo and the phases of Venus

Dificuldade: ★ ★ ★

The orbit of Venus

Dificuldade: ★

Navigating the Night Sky

Dificuldade: ★ ★

Equatorial Sundial

Dificuldade: ★ ★

Light pollution, an introduction to astronomy/environmental education

Dificuldade: ★ ★

Light pollution

Dificuldade: ★

Working before observations

Dificuldade: ★

Observation of variable stars

Dificuldade: ★

Determining longitude and latitude

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