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Glamour originally was a magical-occult spell cast on somebody to make them believe that something or somebody was attractive. In the late 19th century terminology a non magical item used to help create a more attractive appearance gradually became 'a glamour'. Today, glamour is the impression of attraction or fascination that a particularly luxurious or elegant appearance creates, an impression which is better than the reality...

The Arecibo Observatory is a radio telescope near the city of Arecibo in Puerto Rico. It is operated by SRI International under cooperative agreement with the National Science Foundation. The observatory is also called the National Astronomy and Ionosphere Center, although "NAIC" refers to both the observatory and the staff that operate it. The observatory's 305 m (1,000 ft) radio telescope is the largest single-aperture telescope (cf. multiple aperture telescope) ever constructed...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...