Done by: Paulius Nevardauskas Justinas Jorudas. Tauragė “Versmė“ G y mna sium Space Stations. 2012. Introduction.
Space station - spacecraft capable of supporting a crew which is designed to remain in for an extended period of time, and to which other spacecraft can dock. Space stations are used to study the effects of long-term space flight on the human body as well as to provide platforms for greater number and length of scientific studies than available on other space vehicles.
We are going to introduce these stations:
Justinas Jorudasand Paulius Nevardauskasmodel.
„Мир“ was manned space station, designed for long-term research outpost in space.It had been visited by 104 different people from twelve different nations. When complete, the station consisted of seven pressurized modules: Мир core module, docking module, „Priroda“, „Spektr“, „Kristall“, „Kvant“ and „Kvant-2“
Мир was maintained in a near circular orbit with an average perigee of 354 km and an average apogee of 374 km, travelling at an average speed of 27,700 km/h and completing 15.7 orbits per day.
As the station constantly lost altitude because of a slight atmospheric drag, it needed to be boosted to a higher altitude several times each year. This boost was generally performed by Progress resupply vessels or the engines on the core module.
The attitude (orientation) of the station was independently determined by a set of externally mounted sun, star and horizon sensors.
Photovoltaic (PV) arrays powered Mir. The station used a 28 volt DC supply which provided 5-, 10-, 20- and 50-amp taps. When the station was illuminated by sunlight, several solar arrays mounted on the pressurized modules provided power to Mir\'s systems and charged the nickel-cadmium storage batteries installed throughout the station.
Ignas Navickas model.
Thisspacestationwouldhavemostadvancedequipment , it would be thebiggestandtheheaviestofallstations. It wouldhave a lot ofsolararraysandsattelitedishes, whichwouldensuregoodconnectionwithEarth. Also stationwouldhavelivingquartersforcrewandscientificreseach modules.
Stationwouldkeep 385 km altitude, orbitwould be tilted 51.6° to equatorandwouldmakeitsorbitin 92 minutes. Stationwould be visibleineveningorinmorningas a brightstar, overflyingsouthpartofcelestialspherefromwest to eastinfew minutes. StationwouldmoveinorbitusingEarthsgravityandenginesbuiltinstation.
„NAVIgation“ wouldproduceenergyfromsolararrays, nuclearreactor.
Karolis ???? model.
Plastic sheets from old plastic box, wood sticks, broken Christmas decorations, LEDs from defected Christmas tree lights, some wires and one AA battery.
Kamilė ???? model.
Woodsticks, straws, bluepaper, oldnewspapers, glue, baloon, aluminiumfoil, bottlecaps, silverpaintandblueacrylicpaint.
Thisstation would use solar wind energy. It would catch solar wind particles using enormous metallic parachute. This kind of propulsion could be used for long-distance flights.
Stations solar arrays, mounted in front, would provide energy. Station would have crew quarters and greenhouse. Greenhouse would provide crew with food and oxygen.