The best way to tell what type of siding is on your home, is to go to an unfinished area like the attic or garage, and pull back the tar paper from the back of the siding and look for markings. See if you can locate either the manufacturerâs name or AHA code (The American Hardboard Association).
The International Space Station (ISS) flies around the earth in a near circular orbit. The current altitude for that orbit is somewhere around 250 nautical miles. Given that altitude, the period, or time for one orbit is approximately 90 minutes...
As of September 2014 two space stations are in orbit: the International Space Station, which is permanently manned, and China's Tiangong-1 (which successfully launched on September 29, 2011), which is unmanned most of the time.Previous stations include the Almaz and Salyut series, Skylab and most recently Mir.he core module of the International Space Station was launched in 1998. The ISS is divided into two main sections, the Russian orbital segment (ROS), and the United States operational segment (USOS). USOS modules were brought to the station by the Space Shuttle and manually attached to the ISS by crews during EVAs.