What is Space station: Definition and 115 Discussions

A space station, also known as an orbital station or an orbital space station, is a spacecraft capable of supporting a human crew in orbit for an extended period of time, and is therefore a type of space habitat. It lacks major propulsion or landing systems. Stations must have docking ports to allow other spacecraft to dock to transfer crew and supplies.
The purpose of maintaining an orbital outpost varies depending on the program. Space stations have most often been launched for scientific purposes, but military launches have also occurred. As of 2021, there is one fully operational and permanently inhabited space station in low Earth orbit: the International Space Station (ISS), which is used to study the effects of spaceflight on the human body as well as to provide a location to conduct a greater number and longer length of scientific studies than is possible on other space vehicles. China's Tiangong Space Station is under construction. Both India and Russia have proposed to build stations for the coming decades.

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  1. michael879

    Understanding the Relativistic Doppler Effect in Space Travel

    ok this is a rly simple problem I just can't figure it out. There is a rocket traveling from Earth to a space station (which are in the same reference frame). Earth sends light signals at some interval to the rocket, which then sends the signals to the space station. When I work this out I...
  2. C

    Spacecraft Traveling Past Space Station: Length and Radio Signal Timing

    A spacecraft (Lo = 80 m) travels past a space station at speed 0.7c. Its radio receiver is on the tip of its nose. The space station sends a radio signal the instant the tail of the spacecraft passes the space station. (a) What is the length of the spacecraft in the reference frame...
  3. M

    Space Station - Conservation of Angular Momentum

    Question: A space station shaped like a giant wheel has a radius 109m and a moment of inertia of 5.07x10^8 kgm^2. A crew of 180 is living on the rim, and the station is rotating so that the crew experiences an apparent acceleration of .8g. When 140 people move to the center of the station...
  4. F

    Satellites and Space station questions

    I really don't understand the universal gravitation chapters and the satellites one. It is sooo confusing. So can anyone help me with these questions. 1. Determine the magnitude of the apparent of a 56 kg student standing in an elevator when the elevator is experiencing an acceleration of (a)...
  5. C

    Innovations for Assisting Astronauts in Space Station Construction

    Does anyone have an idea of an innovation i could design to assist astronauts in the contruction of a space station? I really have no ideas, and am looking for something simple but really clever and effective. Help will be extremely appreciated :smile:
  6. K

    Circular Motion of a space station Problem

    Hi, I was hoping I could get some help on these problems. Here's the first problem: 1. A projected space station consists of a circular tube that is set rotating about its center (like a tubular bicycle tire). The circle formed by the tube has a diameter of about D = 1.30km. What must be the...
  7. B

    Calculating the Angular Speed of a Rotating Space Station Ring

    A proposed space station includes living quarters in a circular ring 50.3 m in diameter. At what angular speed should the ring rotate so the occupants feel 0.411 g where g is the gravitational acceleration on the surface of the Earth?
  8. L

    What is the minimum radius for a safe and effective space station?

    Junior level Physics problem I am having trouble with: Some plans for a future space station make use of a rotational force to simulate gravity. In order to be effective the centripetal acceleration at the outer rim of the station should equal about 1g, or 98.1 m/s^2. However humans can...
  9. S

    Circular Motion of space station orbit

    Hi guys.what do you think of the answers i have got for the questions below.If you think i have made any mistakes please do say so.I think my answers are weird, a) A space station orbits the Earth in every 91 mins .calculate the angular speed of the space station ans) 91/60 times 2pie=9.52...
  10. S

    Calculating Rotation Speed for Artificial Gravity on a Rotating Space Station

    Another problem (oy!): ------A projected space station consists of a circular tube that is set rotating about its center (like a tubular bicycle tire). The circle formed by the tube has a diameter of about D = 1.02km. What must be the rotation speed (in revolutions per day) if an effect equal...
  11. P

    Space station rotation problem

    Quick physics help please First off, I'm new to the board and want to say hi to everyone! I hope i can give and take from this site, i should be helpful in the chem forums, but physics is not my best. I have 2 quick questions if you could help me that'd be great. A space station is shaped...
  12. A

    Need Physics Help for Space Station Project

    A Little Help?? Hey I'm doing an important physics project for my final grade in physics and I'm having a hard time, can anyone explain to me exactly what physics is involved in the International Space Station?? Any help would be appreciated! Thanks you so much!
  13. Ivan Seeking

    Space Station: Cost vs Value - Science Channel Review

    Not my opinion, but I am hearing talk, just now again in a review of the Top Science Stories of 2003 on The Science Channel, in which the viability and value of the space station and the shuttle are questioned. The main questions were: 1). What are we accomplishing on the space station...
  14. Z

    Space Station Crew Discovers Dangerous Leak Between Pods - Apollo 13 Parallels

    incase anyone cares. The bump in the night that the crew of the International space station heard was that of a leak, between pods. There will be a "BOOOM!" if you know what I mean. I guess kind of like Apollo 13.
  15. S

    Night Sky Watching: The International Space Station

    I woke up at 4:30 PST (San Diego) and couldn't go back to sleep so I decided to take my telescope out and finally check out Saturn, the Orion Nebula, and Mars again. They looked awesome through the 8" telescope and I wish I was able to take pictures. Then around 5:30 I saw a really bright object...
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