Clouds of choking smog; beaches coated in oil; rivers turned red by chemicals. All of these are obvious…
Earth is the ‘Goldilocks’ planet. It is neither too hot nor too cold. As a result, our world…
Do you want to know whether it will rain on your picnic or be sunny for your day…
Do you dread going to the dentist? Do you wish there was an easier way to obtain that…
Motoring took on a whole new look when Dutch students used space technology to build Nuna, the ultimate…
Today, we are used to watching live TV from the other side of the world. Sports events, interviews,…
Lakes are valuable sources of water and food, particularly in poor countries. However, they are easily damaged by…
Earth is the only world we know that has liquid water on its surface. Oceans cover seven tenths…
Most of the world’s population live near rivers. They depend on rivers for drinking, washing, fishing and watering…
Rockets are used to launch satellites and Space Shuttles into space. Their powerful engines allow spacecraft to be…
Have you noticed what happens if you let the air out of a balloon? The air goes one…
The first person to design a rocket that used liquid fuels instead of gunpowder was a Russian schoolteacher…
Everything on Earth – including us – is held down by the force of gravity. Without gravity, we…
There is no garage in space. Once a spacecraft has left planet Earth, everyone hopes that all of…
Once a satellite is launched, the success of its mission often depends on the ability to communicate with…
The European Space Operations Centre (ESOC) is linked to a worldwide network of ground stations. After a launch,…
Vesmírný odpad představuje závažný problém. Některé jeho části jsou velmi velké, jako například vyhořelé stupně raket, nefunkční…
Every time Europe’s Ariane 5 lifts off from Kourou, its rocket stages fall into the ocean or burn…
ESA has invested more than €2 billion in improving and developing Europe’s Spaceport in Kourou. ESA owns the…
There are various ways to launch and fly reusable spacecraft. The Space Shuttle uses its own engines, together…
Most spacecraft are placed in orbits around the Earth. But this is not always the optimal place for…
An orbit is the path of an object around a particular point in space, for example the path…
As you know, a car tends to slow down when it goes up a mountain and to accelerate…
A spacecraft is a machine designed to be put into space. They can be used for observing the…
Kosmické lodě mají nejrůznější tvary a velikosti. Plní mnoho různých úkolů. Na rozdíl od automobilů se málokdy stává, že…
Auto bez kol nebo motoru má jen malou hodnotu. Stejně tak existují určité…
Během posledních 40 let se satelity staly stále výkonnějšími a jsou schopny plnit mnoho různých úkolů. Většina…
Evropský kosmodrom poblíž Kourou ve Francouzské Guyaně patří k nejmodernějším a nejúčinnějším odpalovacím zařízením na světě…
Startovní kampaň rakety Ariane-5 obvykle trvá asi pět týdnů. V počátečních fázích týmy připravují a kontrolují…
Posledních 30 let se všechny evropské rakety vypouštějí z Kourou v Jižní Americe. Proč…
