Pteropus speciosus (Kalong laut, Philippine Gray Flying Fox)

Conservation statusVulnerable (IUCN 2.3)Scientific classificationKingdom: Animalia, Phylum: Chordata, Class: Mammalia, Order: Chiroptera, Family: Pteropodidae, Genus: Pteropus, Species: P. speciosusBinomial namePteropus speciosus,K. Andersen, 1908The Philippine Gray Flying Fox (Pteropus speciosus) is a species of bat in the Pteropodidae family. It is found in Indonesia and the Philippines. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.DISTRIBUTION—Two islands in the Java Sea, Indonesia, and the Mindanao...

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Golden age of Astronomy

The second half of the 20th century was truly a golden age for astronomy. Rapid advances in technology made it possible to build very large optical telescopes on the ground. By the early 21st century astronomers were using about a dozen telescopes with mirrors larger than 8 m (300 in) in diameter. Because it is much cheaper to build telescopes on the ground than in space, large ground-based telescopes with their ability to gather large amounts of light (think of a telescope as a bucket for collecting light; the bigger the bucket, the more...

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History of astronomy

History of Astronomy, history of the science that studies all the celestial bodies in the universe. Astronomy includes the study of planets and their satellites, comets and meteors, stars and interstellar matter, star systems known as galaxies, and clusters of galaxies. The field of astronomy has developed from simple observations about the movement of the Sun and Moon into sophisticated theories about the nature of the universe.Microsoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation. All rights reserv...

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