12-18 years

Solar eclipses : luminosity, temperature, area covered…

困難: ★ ★

Solar eclipses : a “scale model”

困難: ★

Moon, phases and eclipses

困難: ★ ★

Ring’Round the roses in the houses of the Sun

困難: ★

Elliptical Orbits

困難: ★ ★

Rock Cycle

困難: ★ ★

Solar System Science

困難: ★ ★

Planet Tours

困難: ★ ★ ★

Saturn 

困難: ★ ★ ★

Doppler effect and Saturn spectrum

困難: ★ ★ ★

Roemer and the velocity of light

困難: ★ ★ ★

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

困難: ★ ★ ★

Second, metre and speed of light

困難: ★ ★

Comets: very especial visitors

困難: ★ ★

Determination of Jupiter’s mass

困難: ★

Kepler Laws. Experiments

困難: ★ ★ ★

Galileo and the phases of Venus

困難: ★ ★ ★

The orbit of Venus

困難: ★

Navigating the Night Sky

困難: ★ ★

Equatorial Sundial

困難: ★ ★

Light pollution, an introduction to astronomy/environmental education

困難: ★ ★

Light pollution

困難: ★

Working before observations

困難: ★

Observation of variable stars

困難: ★

Determining longitude and latitude

困難: ★