Workshops

Articles

A 'Scale model' to study solar eclipse
About distances in the Universe
About parallax and... constellations
Aristarcho's proportions
Aurora Borealis - Measuring the magnetic field
Brilliant stars on the screen by overhead projector
Building simple sundials
Cepheid stars and the distance of the galaxies
Comets: very special visitors
Construct the model of the Zodiac-Earth-Sun-system
Determination of Jupiter's mass
Determination of the distance and the age of a star cluster
Determining latitude and longitude observing only one star
Didactical activities about tides
Doppler effect and Saturn spectrum
From the Galilean solar system to the detection of new minor bodies determining the distance of 1994 TG2
Galileo and the phases of Venus
Hipparchus and the precession of the equinoxes
How do we know that the Universe is expanding?
Kepler's laws and experimentation
Latitude gnomon and quadrant for the whole year
Let us observe the daily path of the Sun
Light pollution, an introduction to astronomy environmental
Luminosity and temperature of the Sun
Making a constellation slide
Making helioscopes with four sticks
Making your own sky disk
Measures of long distances
Measuring distances by parallax method
Measuring the diameter of the Sun
Micro and macrocosm
Moon, phases, eclipses...
Muons in the moutains
Observations with a pinhole camera
Observing sunset
Path of the North Pole
Photographing the Sun
Planetary system: from Galileo to explanets
Ranking the brightest stars of a constellation
Reflections on the shape of spiral galaxies by means of photographs and computer simulations
Roemer and the velocity of light
Second, metre and speed of light. Historical and experimental approach
Solving problems with a solar motion demonstrator
Stellar evolution and the Periodic Table of Elements
Studies on the shadow of an obelisk used as horizontal sundial
Study of the Sun rotation
Studying the Sun and stars spectra
Sunlight spectra
Sunrise ans sunset positions change every day
Telescope in the pocket
The age of the Crab Nebula
The Moon’s orbit. Practical and computational project
The orbit of Venus
The Pyrenean Shepherds' dials
The Sun above and below the local horizon
The Sun and its daily and annual paths
The Sun: from Galileo's work until today
There is more to astronomy than meets the eye!
Traveling through the galaxy: 3-D models of constellations based on new data from Hipparcos satellite
Where are you? Locating by the Sun
Why don't green stars exist?
Working before observations