It was called Skylab.
The first US space laboratory was Skylab
the soviet union
The Moon is orbiting a planet; It is orbiting the Earth. The velocity /acceleration of the Moon and the gravitational pull between Earth and Moon are in balance, so the Moon remains orbiting the Earth. Similarly the Earth and Moon , as a binary system, orbit the Sun , and the acceleration and gravitational forces are in balance. So none of us collide.
A rock. If it hits the Earth's atmosphere and we see it, it will be a "meteor". When it lands on the Earth, it will be a "meteorite".
The International Space Station (ISS) - a permanently-manned observation point and experimental laboratory.
The first US space laboratory was Skylab
In the US Defense Department laboratory.
G. Stanley Hall is credited with establishing the first major educational psychology laboratory in the US at Johns Hopkins University in 1883. He is considered one of the pioneers in the field of educational psychology.
the Soviet Union
the soviet union
It is the International Space Station.
90000
ISS, International Space Station
There are over 1000 operational satellites orbiting the Earth, and probably 10,000 pieces of "space junk" also orbiting the Earth.
There are lots of places to buy laboratory toys. The first places to look would be at Toys R Us and Walmart. You can check online with the websites to see what they have.
The oldest forensic laboratory in the US was built by the Los Angeles Police Department in 1923.
The Sun and Moon and thus any other spacial object either orbiting us or we are orbiting it.