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Perfectly Aligned Galaxies Found For the First Time John Roach for National Geographic NewsJanuary 11, 2008 Astronomers have found three galaxies in a never before seen perfect alignment—a discovery that may help scientists better understand the mysterious dark matter and dark energy believed to dominate the universe. The three galaxies are like beads on a string, one directly behind the other, scientists announced yesterday at a meeting of the American Astronomical Society in Austin, Texas. This makes the massive galaxy closest to Earth appear nestled in a pair of circular halos known as Einstein rings. The phenomenon occurs because the...

Throughout the 1990s, Turkish foreign policy analysts had an easy job. After all, Turkish foreign policy was predictable. Ankara cooperated enthusiastically with Washington, whether in the Middle East or in the Balkans. Turkey aligned itself with Israel and kept at arms length from Middle Eastern neighbors such as Syria and Iran. In Europe, Ankara traded heavily with the European Union (EU) but did not allow the EU to dictate foreign policy. The European Union's frequent allegations and criticism of human rights abuses in Turkey, especially with regard to Turkey's fight against Kurdistan Workers Party (PKK, Partiya Karkaren Kurdistan) terrorists, soured...