5. During one day you will experience 16 sunrises
The sun rises and sets every 90 minutes in low Earth orbit, making it really hard to sleep well due to the absence of normal day/night cycles. To counteract this, ISS administrators set astronauts’ schedules on a 24-hour, Earth-based timetable to keep their activity as grounded as possible. The clocks onboard the ISS are set to Greenwich Mean Time (GMT), about halfway between Houston, Tex., and Moscow. To keep astronauts on that schedule, Mission Control sends wake-up calls to shuttle missions. They typically play music, which is either requested by an astronaut or an astronaut’s family member. Astronauts on the ISS, on the other hand, wake up with the help of an alarm.
4. You will grow taller
Without the compressive force of gravity, your spinal column expands and you grow taller, usually by between 5 and 8 cm. Unfortunately, the extra height can bring complications, which may include backache and nerve problems.
3. You may stop snoring
A 2001 study showed that astronauts who snored on Earth snoozed silently in space. That’s because gravity plays a dominant role in the generation of apneas, hypopneas, and snoring. It’s possible for astronauts to snore in space, and NASA has even recorded crewmembers doing so, but the effects of zero gravity appear to reduce snoring.
2. Some food and condiments require adding water to be eaten in space
In space, salt and pepper are available but only in a liquid form. This is because astronauts can’t sprinkle salt and pepper on their food in space. The salt and pepper would simply float away. There is a danger they could clog air vents, contaminate equipment or get stuck in an astronaut’s eyes, mouth or nose.
1. The longest time a person stayed in space is 438 days
The record for a long-duration mission is held by Russian cosmonaut Valeri Polyakov, who completed a 438-day (or 14 month) tour of duty aboard the Mir space station in 1995.
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