Aluminum and other metal abundances were determined in 21 red giants in the globular clusters NGC 6752 and M80 as part of a larger study to determine whether the aluminum distribution on the red giant branch is related to the second parameter effect that causes clusters of similar metallicity to display different horizontal branch morphologies. The observations were obtained of the Al I lines n...

ali-ibn-e-abbas-al-majusi, well known as haly abbas in the west, a physician, surgeon and psychologist of buyid dynasty era, lived in the 10th century (a.d). he, along with tabari, razi, avicienna, and jorjani, established the foundation of islamic medicine. he authored “kamilu sina’at” or “al-kitab al-maliki” (the royal book), a book on medicine which was used in european universities until th...

In many Arab countries, where colonial rule was replaced by local authoritarian, often corrupt, regimes, popular discontent with the living conditions under new government has produced a kind of nostalgia for past. This is well observed in today’s Aden (Republic Yemen), which British colony from 1839 until 1967. middle 20th century, most prosperous city on Arabian Peninsula and one busiest seap...

INFRARED REFLECTANCE SPECTROSCOPY: EVIDENCE FOR PARTIAL MELTING. P. A. Abell, F. Vilas, K. S. Jarvis, M. J. Gaffey, and M. S. Kelley, Planetary Astronomy Group, Astromaterials Research and Exploration Science, NASA Johnson Space Center, Mail Code KR, Houston, TX 77058, [email protected]. Jacobs Sverdrup, ESC Group, 2224 Bay Area Blvd., Houston, TX 77058. Department of Space Studies, Bo...