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…
Yksi avaruustutkimuksen historian jännittävimmistä luvuista on alkamassa. Sen jälkeen, kun…
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…
Kävelemiseen, esineiden nostamiseen ja portaiden kiipeämiseen tarvitsemme lihaksiamme. Avaruudessa lihakset kuitenkin heikkenevät…
Pitkien avaruuslentojen aikana ihmiskehossa tapahtuu merkittäviä muutoksia. Näitä ovat muun muassa lihasmassan asteittainen väheneminen ja…
50% yli 60-vuotiaista naisista kärsii luiden hauraudesta. Mikroskoopilla tarkasteltuna…
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…
Imagine everyone in Glasgow, Turin or Lyons being forced out of their homes. This is the scale of…
Pystytkö pudottamaan munan 2 metrin korkeudesta rikkomatta sitä? Eräs ranskalainen järjestö nimeltä…
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…
Euroopan Galileo-navigointijärjestelmän ensimmäinen testisatelliitti laukaistiin joulukuussa 2005, ja sen jälkeen laukaistiin toinen…
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…
Earthquakes are the deadliest of all natural disasters. Most deaths are caused by collapsing buildings or fires. Several…
Flooding is the world’s most expensive type of natural disaster. The cost of global flood damage is hundreds…
Fires can sweep through cities and rural areas alike. Woodland fires can burn at up to 800°C and…
There are about 1,500 active volcanoes, with 50 or so erupting each year. Most of these volcanoes are…
For many centuries, the only way to obtain a good view of a large area was to climb…
Forests cover almost a third of world’s land surface. Many of them are so vast that the only…
Mountain gorillas are close human relatives. However, hunting and the destruction of forests are threatening them with extinction.…
Every year, between 1 and 2 million people die from malaria. This deadly disease is spread from infected…
