One hundred years ago Albert Einstein presented his new relativistic gravitational field equations to the Prussian Academy of Sciences at its meeting on 25 November 1915, and thus ...

FDC

560 HUF

Magyar Posta is issuing a commemorative miniature sheet to record current space research anniversaries and events on postage stamps.

miniature sheet

920 HUF

One hundred years ago Albert Einstein presented his new relativistic gravitational field equations to the Prussian Academy of Sciences at its meeting on 25 November 1915, and thus ...

special stamp

285 HUF