4) Be tall To be a commander or pilot astronaut, you need to be 158 to 190cm tall, NASA says. To be a mission specialist, however, there a little more leeway – “between 58.5 and 76 inches” which is 149 to 193cm. A commander is responsible for the mission's success, the safety of the crew and shuttle itself.
For a mission specialist astronaut the acceptable height range is 58.5" to 76" (148.6 cm - 193 cm). For a pilot astronaut the acceptable height range is 62" - 75" (157.5 cm - 190.5 cm). The height limits are set for human factors reasons such as standardization of equipment, reach, strength, etc.
The spine's elongation in microgravity can add two inches to a six-foot-tall astronaut. The increase is credited to the lack of compressive forces of gravity. Astronauts in space can grow up to 3 per cent taller during the time spent living in microgravity, NASA scientists say.
Where does space begin? For purposes of spaceflight some would say at the Karman line, currently defined as an altitude of 100 kilometers (60 miles). Others might place a line 80 kilometers (50 miles) above Earth's mean sea level.
Outer space, commonly referred to simply as space, is the expanse that exists beyond Earth and its atmosphere and between celestial bodies.
As far as we can tell, there is no edge to the universe. Space spreads out infinitely in all directions. Furthermore, galaxies fill all of the space through-out the entire infinite universe. This conclusion is reached by logically combining two observations.
Because space isn't curved they will never meet or drift away from each other. A flat universe could be infinite: imagine a 2D piece of paper that stretches out forever. But it could also be finite: imagine taking a piece of paper, making a cylinder and joining the ends to make a torus (doughnut) shape.
Other astronauts have described it in similar yet varying ways: "burning metal," "a distinct odor of ozone, an acrid smell," "walnuts and brake pads," "gunpowder" and even "burnt almond cookie." Much like all wine connoisseurs smell something a bit different in the bottle, astronaut reports differ slightly in their " ...
Outer space has a baseline temperature of 2.7 Kelvin, minus 453.8 degrees Fahrenheit or minus 270.45 degrees Celsius, according to LiveScience.
It's not. You're probably thinking of time dilation, which has nothing to do with being in space and everything to do with moving really fast. No one has ever come close to moving fast enough to experience a noticeable difference in the passage of time.
Previous research has shown that spending time in space causes bone density loss, immune dysfunction, cardiovascular issues such as stiffening of arteries, and loss of skeletal muscle mass and strength in both humans and rodent models. These changes resemble aging in people age on Earth, but happen more quickly.
The pay grades for civilian astronaut candidates are set by federal government pay scales and vary based on academic achievements and experience. According to NASA , civilian astronaut salaries range from $104,898 to $161,141 per year. Here are a few of the benefits offered to civilian astronauts: Health care.
So, periods in space do not make you unwell. But they can be inconvenient. The International Space Station has a urine processing assembly (UPA). This reclaims water from astronauts' urine.
Not being a U.S. citizen and having some medical conditions will disqualify you from being an astronaut. The basic requirements to apply for the Astronaut Candidate Program are: U.S. citizenship (applicants with a valid U.S. dual citizenship are also eligible) Master's degree in a STEM field.
Being an autistic astronaut would be a difficult task. The sensory issues and social demands would be too much for most people with autism. However, there are always exceptions to the rule. There might be someone with the perfect combination of skills to make it as an autistic astronaut.
Space activities are for the benefit of all nations, and any country is free to explore orbit and beyond. There is no claim for sovereignty in space; no nation can “own” space, the Moon or any other body.
Water boils when there is no pressure. This means that in the vacuum of space, a cup of water would boil into a vapor before it can freeze. It would eventually freeze, but it would – desublimate – or vaporize into a gas first, then turn directly into a solid.
Practically, we cannot even imagine thinking of the end of space. It is a void where the multiverses lie. Our universe alone is expanding in every direction and covering billions of kilometres within seconds. There is infinite space where such universes roam and there is actually no end.
Astronauts need space suits to stay alive. You could only last 15 seconds without a spacesuit - you'd die of asphyxiation or you'll freeze. If there's any air left in your lungs, they will rupture.
When spacecraft, such as the space station and resupply vehicles, travel in low-Earth orbit, atomic oxygen can react with its surfaces, causing materials, such as polymers, to erode. In addition, radiation can cause spacecraft materials to become brittle and crack.
Space Environment
So, in order for sound to travel, there has to be something with molecules for it to travel through. On Earth, sound travels to your ears by vibrating air molecules. In deep space, the large empty areas between stars and planets, there are no molecules to vibrate. There is no sound there.
The two oxygen tanks allow a maximum of between 6.5 and 8.5 hours outside in space, before which astronauts will need to refill the tanks. If an astronaut was lost in space with no way to return, this would be their downfall. They would eventually die of hypoxia. Without a suit, however, death would arrive much faster.
So long as energy exists within it — even the zero-point energy of the quantum vacuum is sufficient — there will always be some form of radiation that can never be removed. The Universe has never been completely empty, and so long as dark energy doesn't decay entirely away, it never will be, either.
It appears that space was created in the Big Bang, 13.8 billion years ago and has been expanding ever since. The overall shape of space is not known, but space is known to be expanding very rapidly due to the cosmic inflation.
Scientists now consider it unlikely the universe has an end – a region where the galaxies stop or where there would be a barrier of some kind marking the end of space. But nobody knows for sure.