Sergei Krikalev (Russian) holds the record for the most time spent in space. He has spent a total of 803 days and 9 hours and 39 minutes in space.
Mars.
Space debris is anything man-made that has been launched into space, but no longer has any function. Most debris is from parts of satellites/stations that have been ejected or that have fallen away.
Astronaut John Young has been to space the most times, I think four times.
As of October 2023, there have been several space stations, with the most notable being the Soviet Union's Salyut and Almaz programs, NASA's Skylab, Russia's Mir, and the International Space Station (ISS). In total, there have been around 15 space stations, including various experimental and temporary stations. The ISS, launched in 1998, is the largest and most well-known, serving as a collaborative project involving multiple space agencies.
If you value human life, the the many men and women who've gone up are the most important. There have also been many important scientific experiments to go into space. Arguably the most popular has been the Hubble Space Telescope which has given us photos of what the universe looked like from the beginning of time.
Up until about 1975, it would have been Russia. Since then it is the U.S.A. This is based on "known" flights.
how long has Jupiter been in space
Most likely nbsp is/should be a computer code for non-breaking space (just a space), but has been printed out by some mistake.
The United States and Russia have been the two countries that have done the most work in space exploration. They have made significant contributions to space research, sending numerous missions, satellites, and astronauts into space, and have played crucial roles in the development of the International Space Station.
has there been a space missions to mars
Nope. Children has never been in space.
how mant astronauts have been to space