Planet Earth

Lamp – the Host-Star

With an ordinary office lamp, of course, the experiment also works. I had first experimented a lamp that is available on the Internet trade for ~5 euros:

Flower lamp (a merchandizing article) .

However, it is nicer to get a ball lamp that can be dimmed in brightness and adjusted differently in color. The most suitable is a battery-powered lamp, because then you do not have to worry about the cable routing, while the lamp is circulated by a circulator.

the spherical lamp can vary the colour of light