There are literally thousands of man made objects in space, such as parts of old space rockets sent up by Russia, China, Europe and the USA etc, lots of military and civilian satellites used for communication, navigation, research and reconnaissance, space probes sent to explore planets like Mars, the Hubble Space Telescope used to look deep into space and the International Space Station.
manmade
Green represents vegitation and the other 4 colors represent: blue-water red- major manmade objects black- minor manmade objects brown- contour lines
Some ways things are transported in space is by spaceship, satellites, orbiters, and similar objects.
Naturally found in space are stars, planets, galaxies, moons, black holes, nebulas, and comets. Also meteoroids, asteroids, the solar wind, and cosmic rays. Manmade objects in space include weather and GPS satellites, the International Space Station, and another mission with a rover headed for Mars.
It's manmade and is not found naturally anywhere
gravity
rocks,air,water,manmade objects,sun,carbendiocside,
Project Apollo, Project Gemini, then Space Shuttle
Objects in Space was created on 2002-12-13.
Because they are closer to the objects.
Is your question "what do you weigh different objects on in space...", or "why would you attempt to weigh an object in space"...?
they use light-years to determine the space between objects in space