It was internationally recognized in 1991.
Astronomy is the science that study stars, planets, galaxies and other thing that exist in the known universe. As a science it follows the same principles as other fields like chemistry or physics. Astrology is the theory that links certain behaviours or even prediction of the future based on the movements and the influences of the stars on our lifes. So, the difference is that one is a science field, the other is a theory.
The Treaty was the result of an encounter between an elaborately planned mission to open Japan and an unwavering policy by Japan's government of forbidding commerce with foreign nations. ... He did not, however, open Japan to trade. EFFECT: Treaty of Kanagawa signed with Japan. In Tokyo, Commodore Matthew Calbraith Perry, representing the U.S. government, signs the Treaty of Kanagawa with the Japanese government, opening the ports of Shimoda and Hakodate to American trade and permitting the establishment of a U.S. consulate in Japan.
