3D-Printed Solar System
Here is project #2 with the new 3D printer, just like the Berlin Wall it’s an artsy one: the eight planets of our Solar System scaled down by a factor of about 109. This post contains a photo gallery of […]
Tag: Space
Observing the ISS from Earth
The International Space Station is orbiting our planet since 1998. One orbit takes only approximately 92 minutes and the ISS is sometimes visible at the night-sky. To the naked eye it looks like a bright star crossing the night sky in […]
Get into Orbit Without Lateral Acceleration
When I was about 6 years old, my dad explained to me that there was no possibility to shoot something right into orbit from the Earth’s surface. He said it was always necessary to accelerate sideways to reach orbit. At that […]