Could your pet monkey become an astronaut? For every 400 to 500 monkeys observed by space agencies, only one is selected for space training. To identify if a monkey has the potential to travel to space, specialized trainers carry out a sequence of rigorous tests. 

In the first test, the monkey is placed in a simulated spaceship with flashing lights and sounds mimicking a rocket launch. The purpose is to gauge the monkey's response to sudden light changes and loud noises. If the monkey panics or becomes excessively agitated, it might not be a suitable candidate for space missions. 

In another test, the monkey is exposed to conditions of reduced gravity using special equipment. This helps trainers assess how the monkey moves and behaves in a weightless environment. Space-bound monkeys must be able to adapt to the unique physical conditions of outer space and not be disoriented or distressed. 

Lastly, the trainer evaluates the monkey's interaction with machines and tools. Since astronauts, even non-human ones, might need to push buttons or interact with onboard systems, it's vital that the monkey shows a level of curiosity and intelligence. The ideal space monkey should be quick to learn, attentive, and able to form a trusting relationship with its human handlers, as they will work together during space expeditions.