ايستگاه فضايي كجاست ؟

Where is the International Space Station

ايستگاه فضايي بين المللي به همراده آزمايشگاه مركز فضايي كلمبوس  اروپا ESA  در ارتفاع 400 كيلومتر از سطح زمين پرواز مي كند و در حاليكه  با جاذبه زمين هم مقابله مي كند با سرعت 28800 كيلومتر در ساعت  90 دقيقه  طول مي كشد كه اين آزمايشگاه بي وزني يك چرخ كامل به دور زمين بزند. فضانورداني كه  در اين ايستگاه فضايي كار و زندگي مي كنند هر روز 16 طلوع و غروب خورشيد را تماشا مي كنند.

The International Space Station with ESA’s Columbus laboratory flies 400 km high at speeds that defy gravity – literally. At 28 800 km/h it only takes 90 minutes for the weightless laboratory to make a complete circuit of Earth. Astronauts working and living on the Station experience 16 sunrises and sunsets each day.

رد يابي كه در توسط سازمان فضايي اروپا ساخته شده نشان مي دهد كه هر لحظه ايستگاه فضايي كجا قرار دارد  و 90 دقيقه قبل چه مسيري را طي كرده  و 90 دقيقه بعد چه مسيري را طي مي كند

The tracker above, developed by ESA, shows where the Space Station is right now and its path 90 minutes ago and 90 minutes ahead. Due to Earth's rotation the Station seems to travel from west to east over our planet. Below the map of Earth you can see where the Station is flying directly above. You can see the International Space Station with your own eyes from here by looking up at the right time.

در تصوير زير عكسي كه از طريق دوربين ايستگاه بين المللي از زمين گرفته شده است نشان داده شده است. اين منظره اي است كه از بالا توسط فضانوردان گرفته شده است . اگر جو  زمين نبود كه ما را در برابر خطرات حفظ كند و افراد را در برابر اشعه هاي كيهاني و تشعشع هاي خورشيدي حفظ مي كند .

Below is a live view of Earth taken by a camera on the International Space Station, a view similar to that astronauts get from above. Without Earth’s atmosphere to protect us, people and equipment endure the full barrage of cosmic rays and solar radiation.

اين تصوير بخشي از عكس ناسا است كه نشان مي دهد كه اشعه مضر باعث آسيب ديدن دوربين عكاسي و تجهيزات مي شود . گاهي اوقات تصوير سياه مي شود چون ارتباط راديويي  ايستگاه فضايي با قسمت كنترل زميني قطع مي شود .

در اين حالت بايد تصاوير بعدا بررسي شود.

 The images are part of the NASA HDEV experiment that is looking at how fast these harmful rays degrade the image through camera and equipment damage. Sometimes the image is black because the Space Station does not have continuous radio contact with ground control. In that case, check back later

 

home / study / science / physics / physics questions and answers / The International Space Station Travels With Speed V=10 Km/s Through Low Earth Orbit Where ...

 

 

 

 

 

Question: The international space station travels with speed v=10 km/s through low earth orbit where there... 

The international space station travels with speed v=10 km/s through low earth orbit where there is free charge density of 10^5 elch/cm^3. the ISS has a cross section of 900 m^2.

a) what is the current (in amps) impringing on the ISS?

b) the capacitance of the ISS has been calculated to be 1000 nF. If the ISS is initially grounded (V=0), what would the ISS voltage be after 1 second?

عبارات و كلمه هاي تازه :

  • The tracker = ردياب ( كه روي ايستگاه فضايي نصب شده است )
  •  

 

. http://www.esa.int/Our_Activities/Human_Spaceflight/International_Space_Station/Where_is_the_International_Space_Station

 

http://www.chegg.com/homework-help/questions-and-answers/international-space-station-travels-speed-v-10-km-s-low-earth-orbit-free-charge-density-10-q6719133