What happens if you bleed in space?

In space, blood can splatter even more than it usually does on Earth, unconstrained by gravity. Or it can pool into a kind of dome around a wound or incision, making it hard to see the actual trauma. (Fun fact: If you are bleeding more than 100 milliliters per minute, you are probably doomed.
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Can wounds heal in space?

Skin wound healing is known to be impaired in space. As skin is the tissue mostly at risk to become injured during manned space missions, there is the need for a better understanding of the biological mechanisms behind the reduced wound healing capacity in space.
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Can blood clot in zero gravity?

Moll was consulted by NASA when the discovery of the blood clot was made during the astronaut's mission on the International Space Station (ISS). This was the first time a blood clot had been found in an astronaut in space, so there was no established method of treatment for DVT in zero gravity.
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Do you lose blood in space?

The results revealed that astronauts lost around 54 percent more red blood cells in space. While on Earth, our bodies create and destroy around 2 million red blood cells per second. But in space, astronauts lost 3 million red blood cells per second during their six-month missions.
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What happens if you get hurt in space?

Space motion sickness happens in the first 48 hours, creating a loss of appetite, dizziness and vomiting. Over time, astronauts staying for six months on the station can experience the weakening and loss of bone and atrophying muscles.
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What Happens if Your Body is Exposed to the Vacuum of Space?



Is blood blue in space?

This leaves only high-energy blue light to be reflected from our maroon veins. So, if you cut yourself in space, your blood would be a dark-red, maroon color.
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Do you age in space?

In space, people usually experience environmental stressors like microgravity, cosmic radiation, and social isolation, which can all impact aging. Studies on long-term space travel often measure aging biomarkers such as telomere length and heartbeat rates, not epigenetic aging.
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Has anyone broken a bone in space?

History. Bone loss has been observed during spaceflight since at least as early as Gemini in the 1960s. Although most early measurements of the amount of bone loss were not reliable, they did show bone loss in Gemini, Soyuz 9, Apollo, Skylab, Salyut 7, Mir, and the International Space Station.
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How many bodies are lost in space?

A total of 18 people have lost their lives either while in space or in preparation for a space mission, in four separate incidents. Given the risks involved in space flight, this number is surprisingly low. The two worst disasters both involved NASA's space shuttle.
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Has anyone been injured in space?

Over decades of Apollo, Mir, Skylab, space shuttle, and International Space Station missions, astronauts have had medical concerns and problems—and, of course, there have been deadly catastrophes. But no astronaut has ever had a major injury or needed surgery in space.
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How dark is it in space?

How dark does space get? If you get away from city lights and look up, the sky between the stars appears very dark indeed. Above the Earth's atmosphere, outer space dims even further, fading to an inky pitch-black. And yet even there, space isn't absolutely black.
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Do they drink alcohol in space?

“Alcohol is not permitted onboard the International Space Station for consumption,” says Daniel G Huot, spokesperson for Nasa's Johnson Space Center. “Use of alcohol and other volatile compounds are controlled on ISS due to impacts their compounds can have on the station's water recovery system.”
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Can you do surgery in space?

Surgery in microgravity is possible and has already been been carried out, albeit not on humans yet. For example, astronauts have managed to repair rat tails and perform laroscopy – a minimally invasive surgical procedure used to examine and repair the organs inside the abdomen – on animals, while in microgravity.
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Does blood boil in space?

First, the good news: Your blood won't boil. On Earth, liquids boil at a lower temperature when there's less atmospheric pressure; outer space is a vacuum, with no pressure at all; hence the blood boiling idea.
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Do astronauts shave in space?

Do astronauts shave in space? Both female and male astronauts shave in space and are provided with either an electric razor or a disposable razor. Most astronauts choose electric razors because of the scarcity of running water on the ISS. Most male astronauts choose to keep their hair short while aboard the ISS.
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What do stars look like to astronauts?

The stars aren't visible because they are too faint. The astronauts in their white spacesuits appear quite bright, so they must use short shutter speeds and large f/stops to not overexpose the pictures. With those camera settings, though, the stars don't show up.
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How much time on Earth is 1 hour in space?

The first planet they land on is close to a supermassive black hole, dubbed Gargantuan, whose gravitational pull causes massive waves on the planet that toss their spacecraft about. Its proximity to the black hole also causes an extreme time dilation, where one hour on the distant planet equals 7 years on Earth.
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What does space smell like?

In a video shared by Eau de Space, NASA astronaut Tony Antonelli says space smells “strong and unique,” unlike anything he has ever smelled on Earth. According to Eau de Space, others have described the smell as “seared steak, raspberries, and rum,” smokey and bitter.
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How cold is it in space?

The Cosmic Background Explorer (COBE) satellite has refined temperature measurements taken way back in 1964. According to data from the Cosmic Background Explorer (COBE) satellite, the temperature of space is 2.725K (2.725 degrees above absolute zero).
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How long would it take to get to Mars?

The trip to Mars will take about seven months and about 300 million miles (480 million kilometers). During that journey, engineers have several opportunities to adjust the spacecraft's flight path, to make sure its speed and direction are best for arrival at Jezero Crater on Mars.
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What disqualifies you from being an astronaut?

20/20 vision (either naturally or with corrective lenses) blood pressure not more than 140/90 in a sitting position. a height of between 62 and 75 inches.
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Why do bones get weak in space?

Bone loss occurs in the weightless environment of space because bones no longer have to support the body against gravity. On Earth, gravity applies a constant mechanical load to the skeletal system, that causes healthy bones to maintain a certain density so that they are able to support the body.
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Do astronauts get paid for life?

According to NASA, civilian astronauts are awarded a pay grade of anywhere from GS-11 to GS-14, so the income range is relatively wide. Starting salaries begin at just over $66,000 a year. Seasoned astronauts, on the other hand, can earn upward of $144,566 a year.
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How long is 1 second in space?

The light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space in one second, and is equal to exactly 299,792,458 metres (983,571,056 ft).
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