space travel

A life is like a garden – Leonard Nimoy

A life is like a garden – Leonard Nimoy

This is not one of our usual daily history in science posts. Today, we want to pay tribute to an actor who played an extraordinary character that has become an icon: Leonard Nimoy and his alter ego Spock, the scientific officer aboard the starship USS Enterprise. I was shocked yesterday evening by the news of Leonard Nimoy’s passing. As Spock, he was one of my childhood’s heroes. And not only one of them,…
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Hermann Oberth’s Dream of Space Travel

Hermann Oberth’s Dream of Space Travel

On June 25, 1894, Austro-Hungarian-born German physicist and engineer Hermann Oberth was born. He was the first, who when thinking about the possibility of spaceships grabbed a slide-rule and presented mathematically analyzed concepts and designs. Maybe you have already heard of the ‘Oberth Effect‘. In interplanetary spaceflight, the Oberth effect is used in a powered flyby where the application of an impulse, typically from a rocket engine, close to a gravitational body can…
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