The idea of traveling into space seems cool. Many of us have imagined becoming astronauts—or possibly the first person on Mars—at some point in our lives. Who hasn’t wanted to touch the stars?
However, there are some facts that might have made us reconsider if our dreams hadn’t died off, anyway. From the unfortunate consequences of venturing into a decidedly human-unfriendly environment to the inability of Earth-made products to properly adjust to space, there are many attributes of space travel that you may not have anticipated. Here are ten sickening facts about space travel.