... Tonight's Sky . ... Observing . ... Sky this Month . ... Astronomy for Kids . ... Can you explain Mercury's retrograde motion? Do other planets appear to do this also? ... When astronomers talk about retrograde motion, generally they refer to the apparent motion outer planets make as Earth passes them while orbiting the Sun. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

. Dedicated to 40th anniversary of the . first artificial Earth satellite launch . Russian (Win) .

... Following several successful moon landings,NASA decided to use its last Saturn V not to fly to the moon but to place in low Earth orbit a large space station, named Skylab. ... It was followed that year by three manned flights using the smaller Saturn IB, each carrying 3 astronauts for a prolonged stay aboard Skylab. ... Mass measurements aboard Skylab were part of the medical experiments conducted there. ... Measuring body mass in the M172 chair (see illustration) was not a simple matter. ...

Status of the RadioAstron project development . The engineering model of the Space Radio Telescope (SRT) was assembled in Lavochkin Association (LA) in the configuration consisting of 10-m parabolic radio astronomical antenna made of carbon-fiber, F ocal and Device cabins of the scientific payload and on-board and ground complex of high data rate up-down radio link (VIRK). ... Then,radio astronomical tests were conducted using real radio sources. ... Space Radio Telescope . ... Data Processing . ...

A very important stage in a story of formation of any new science is the shift from discussion of situation which are possible but do not occur in practice due to some reason to recognition of real phenomena of interest. ... We suggest to consider computer viruses as this new specific form of life which is coming in the contact with our form of life. ... Computer life has been created by human being, the role of independent evolution of computer viruses seems to be still negligible. ...

Structure of the supersmall satellites . Scientific equipment . Supersmall satellite "Universitetskiy" is manufactured by Production Corporation "Polyot" (Omsk, Russia) in the interests of Lomonosov Moscow State University. Supersmall satellite "Kompas-2" is a pilot project of multi-satellite system which is intended for prediction and motnitoring of natural and technologenical disasters. ... Composition of the scientific equipment of the "Universitetskiy" satellite. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... According to recent government figures, the UK space industry contributes бе9bn to the economy each year and supports tens of thousands of jobs.б  Working closelyб  with Invest Northern Ireland, Aerospace, Defence and Security Industries NI, CCEA has developed a new Level 2 Space Science Technology qualification to give learners aged 14-16 the necessary skills and expertise needed in Northern IrelandБЂ™s growing space industry. ...

XmTel ----- XmTel is a Motif-based telescope control program based on INDI, the Instrument-Neutral Distributed Interface. ... See the files LICENSE and COPYRIGHT for the details. ... About Epoch ----------- XmTel assumes that the telescope is set to "Epoch of Date", which means that it is using ideal celestial coordinates precisely aligned today. ... XmTel assumes that target coordinates entered from the keyboard are in the Epoch that the telescope coordinates are currently displayed in. ...

Spectrometric complex of RATAN-600. ... There is a system of stable computer driven local oscillators that have accuracy about 10 to degree -8. ... Spectrometer driving system is accomplished with two DVK-4 computers and one IBM PC and make possible to develop radio line observations on the frequency band pass of the input low noise amplifiers ( LNA ): . ... The performance of spectrometric complex is controlled by program driving system ( PDS ) and the data gathering and recording system ( DGS ). ...

... Basic Research results General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication of data Possibilities of observing the structure and dynamics of microwave activity SSRT - Research results . ...

Piloted complex Mir has been functioning in orbit more than 12 years. ... We propose to consider piloted complex Mir as an international one and to call the states of the space association for share financing and its joint exploitation according to the international treaty. ... The Russian side is ready for the constructive negotiations on setting up the International space station on the basis of share participating of the countries (owners) in the exploitation of the complex Mir. ...

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...