A star-forming region in the Large Magellanic Cloud, an irregular galaxy. Astronomy (from Greek: á¼ÏÏÏÎ¿Î½Î¿Î¼Î¯Î±) is a natural science that studies celestial objects and phenomena. It applies mathematics, physics, and chemistry, in an effort to explain the origin of those objects and phenomena and their evolution.
2015-02-25T12:30:07-05:00. A former pro-US leader in Iran was Shah Mohammed Reza Pahlavi. HIs regime was overthrown in 1979 by the Islamic Revolution and Ayatollah Khomeini came to power. Comments
In June, Hassan Rouhani was elected president of the Islamic Republic of Iran. Rouhani ran as a reform candidate, and many have interpreted his victory as a harbinger of a possible liberalization or rationalization of Iranian domestic and foreign policy. But the dominant figure in Iranian politics is not the president but rather the supreme leader, Ayatollah Ali Khamenei.