How long did it take to build the iss?

What is the definition of prograde rotation? What happens when the moon blocks light from the earth? Why do space crafts need to be invented? Why was the Apollo programmed not named the Artemis Program? What is meant by redshift and Dopplers effect? Is 0 greater then or less then 7? Why isn't there many meteors in the troposphere? What satellite was hit by a meteorite? What constellation has the three sisters? Is fog atmospheric hazard? When did the Apollo program start? What are the astrology signs for August? What type of energy enters the Earth's atmosphere from the sun? Why do scientist want to explore space? If a guy said he wants space but still calls you does he still want you back? How tall is Robert Falcon Scott? How fast do stalagmites grow? When is the US Space Shuttle program set to retire? How the temperature changes with altitude? What will the world look like in 3000?