. An operating system is the program that controls all the other parts of a computer system - both the hardware and the software. Most importantly, it allows you to make use of the facilities provided by the system. Every computer has an operating system. The UNIX operating system has three important features; a kernel, the shell and a filesystem. The Kernel . The Shell . UNIX file system . More about the UNIX operating system .

... Members . ... The ATM's of Boston was founded in 1934 by a group of persons interested in assisting others in the art of optical polishing the craft of telescope making, and to learn together about the science of astronomy and the use of astronomical instruments. ... Mr. Jones introduced the club to Dr. Harlow Shapley at Harvard College Observatory. ... Regular shop activities resumed with the help of these "professional amateurs" and the club grew to 180 members. ... Club Newsletters . ...

Instrument . ... Scanning TV-sensor with on-board data recording system for global coverage mode . ... recording, direct transmission . ... IR-radiometer for global coverage and direct data transmission modes . ... The scientific instrument package onboard the Meteor-3 spacecraft provides for regular instant acquisition of images of cloudiness and Earth surface in visible and infra-red bands, data on air temperature and humidity, sea surface temperature and clouds temperature. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . ... des interviews, des portraits . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Premi†иre photo de Messenger autour de Mercure . ... La premi†иre image prise par la sonde am†йricaine Messenger apr†иs sa mise en orbite autour de Mercure a †йt†й re†зue. ...

Загрузить программу (~10 MB). ... Программа izmccd предназначена для высокоточной астрометрической обработки числовых изображений небесных объектов. Программа позволяет получать как измеренные, так и экваториальные координаты малых планет, комет, спутников больших планет, визуально-двойных звезд и других объектов, а также идентифицировать уже известные малые планеты и найти на числовых изображениях движущиеся объекты. ... Программа является бесплатной. ... Автоматическая обработка, один объект. ...

... Even though the DoD would ultimately select senior Air Force officials, US Navy oceanographers and Air Weather Service officers as shuttle payload specialists, MSEs would be the first personnel from an American military programme to go into space. ... One Air Force officer, Maj. ... Jacobson was concerned about shuttle launch delays and wanted the MSEs to understand that his mission, i.e., the launch of national security payloads, dwarfed their mission, flights in space by Air Force personnel. ...

... Lunar Reconnaissance Orbiter ? ... LRO вместе с другим аппаратом Lunar Crater Observation and Sensing Satellite являются авангардом программы НАСА 'Lunar Precursor Robotic Program' по возвращению на Луну. Приборы на борту зонда . ... основным предназначением этого прибора является оценка вредного воздействия космических лучей и солнечной радиации на биологические объекты. ... Старт Lunar Reconnaissance Orbiter . ... 1М (космический аппарат) . ... Прогресс М-01М . ... Союз (космический корабль) . ...

... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...