Objects that travel around a planet are called satellites. Each complete journey a satellite makes around the planet…
All the satellite test areas at ESTEC are cleaner than a hospital operating theatre, so they are called…
One of the most exciting chapters in the history of space exploration is about to begin. After a…
Outer space is extremely hostile. Spacecraft have to survive extremes of hot and cold, radiation, magnetic fields, meteorites,…
In March 2002, the Hubble Space Telescope’s solar arrays were brought back to Earth. After eight years in…
We rely on our muscles to walk, lift objects and climb stairs. However, in space muscles become weaker…
Major changes occur in the human body during long space missions. These include gradual loss of muscle and…
50% of women over 60 years of age suffer from brittle bones. As seen through a microscope, the…
ESA-funded research has already led to the introduction of many new medical products, worth about €100 (euro) million…
Millions of people around the world live far from the nearest clinic or hospital. Often, there is no…
Imaginem que todas as pessoas em Glasgow, Turim ou Lyon fossem obrigadas a abandonar as suas casas. É essa a dimensão de…
Can you drop an egg from a height of 2 metres without breaking it? A French organisation called…
Can you imagine spending eight weeks in bed? ESA is looking for 24 women who are prepared to…
Most science fiction films include robots that help their human owners. Today, real life is catching up with…
O primeiro satélite de teste do sistema de navegação europeu Galileo foi lançado em dezembro de 2005, seguido por um segundo…
Long ago, people who sailed the sea found their way by studying the positions of the Sun, Moon…
New uses for satellite navigation are being studied by ESA even before Galileo comes into service. One example…
Every year, thousands of babies die in their sleep for no obvious reason. This is known as Sudden…
Crunchy crisps are one of the most popular snacks. But crisps are easy to break. How can fragile…
The air is full of tiny, floating dust particles and droplets – known as “aerosols”. Many aerosols are…
Every time we breathe out, we send carbon dioxide gas into the atmosphere. Carbon dioxide is one example…
Have you ever suffered from sunburn? This burning of the skin is caused by ultraviolet (UV) light from…
Os terramotos são os desastres naturais mais mortíferos. A maioria das mortes é causada pelo desabamento de edifícios ou por incêndios. Vários…
As inundações são o tipo de catástrofe natural mais dispendioso do mundo. O custo dos danos causados pelas inundações a nível mundial ascende a centenas…
Os incêndios podem alastrar-se tanto pelas cidades como pelas zonas rurais. Os incêndios florestais podem atingir temperaturas de até 800 °C e…
Existem cerca de 1 500 vulcões ativos, dos quais cerca de 50 entram em erupção todos os anos. A maioria destes vulcões é…
Durante muitos séculos, a única forma de ter uma boa vista de uma área extensa era subir…
As florestas cobrem quase um terço da superfície terrestre do mundo. Muitas delas são tão vastas que a única…
Os gorilas-das-montanhas são parentes próximos do ser humano. No entanto, a caça e a destruição das florestas estão a ameaçá-los de extinção…
Todos os anos, entre 1 e 2 milhões de pessoas morrem de malária. Esta doença mortal é transmitida por…
