12-18 years

Solar eclipses : luminosity, temperature, area covered…

Dificultate: ★ ★

Solar eclipses : a „scale model”

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Moon, phases and eclipses

Dificultate: ★ ★

Ring’Round the roses in the houses of the Sun

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Elliptical Orbits

Dificultate: ★ ★

Rock Cycle

Dificultate: ★ ★

Solar System Science

Dificultate: ★ ★

Planet Tours

Dificultate: ★ ★ ★

Saturn 

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Doppler effect and Saturn spectrum

Dificultate: ★ ★ ★

Roemer and the velocity of light

Dificultate: ★ ★ ★

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

Dificultate: ★ ★ ★

Second, metre and speed of light

Dificultate: ★ ★

Comets: very especial visitors

Dificultate: ★ ★

Determination of Jupiter’s mass

Dificultate: ★

Kepler Laws. Experiments

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Galileo and the phases of Venus

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The orbit of Venus

Dificultate: ★

Navigating the Night Sky

Dificultate: ★ ★

Equatorial Sundial

Dificultate: ★ ★

Light pollution, an introduction to astronomy/environmental education

Dificultate: ★ ★

Light pollution

Dificultate: ★

Working before observations

Dificultate: ★

Observation of variable stars

Dificultate: ★

Determining longitude and latitude

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