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Dealing with Extreme Distances – Space Travel



How do you travel long distances in space?

Solutions to the problems of interstellar travel

  1. Cryosleep. Depending on their biology, the lifespan of our hypothetical aliens might be shorter than the centuries-long journey required for slow, sub-light speed travel between the stars. …
  2. Light sails. …
  3. Wormholes. …
  4. Warp drives (a.k.a., hyperdrives). …
  5. Quantum mechanics.


What challenges will humans have to overcome in order to explore space in greater distance and duration?





Exploration missions that leave the Earth’s protective sphere, however, will have to overcome many challenges, from conditions in space such as cosmic radiation and hazardous environments to human-specific conditions such as space adaptation syndrome (motion sickness), spatial memory, visual motor performance, bone

What are the 5 hazards astronauts have to deal with space travel?

5 Hazards of Human Spaceflight

  • Radiation. …
  • Isolation and confinement. …
  • Distance from Earth. …
  • Gravity (or lack thereof) …
  • Hostile/closed environments. …
  • Human research essential to space exploration.


What is the biggest problem with space travel?

Problem: Space travel can present extreme environments that affect machine operations and survival. Like humans, machines are impacted by gravity, propulsive forces, radiation, gases, toxins, chemically caustic environments, static discharge, dust, extreme temperatures, frequent temperature variations and more.



What kills you in space?



REAL SPOILER ALERT: The short answer is that the lack of oxygen would make you black out after about 15 seconds. Then by about 90 seconds you are too far gone to be saved. So you would die from lack of oxygen well before the radiation and cold would have time to kill you.

Are there any human bodies in space?

Missions may go into orbit around the Earth or to extraterrestrial bodies such as the Moon, or farther into space. Human remains are generally not scattered in space so as not to contribute to space debris.

What are the chances of dying in space?

The current statistical fatality rate is 3.2 percent. NASA astronauts who died on duty are memorialized at the Space Mirror Memorial at the Kennedy Space Center Visitor Complex in Merritt Island, Florida.

What are 3 risks of space exploration?

micrometeorites – danger from impact damage (to spacecraft and to astronauts during spacewalks) solar flares and radiation – danger from ionising radiations. no atmosphere – we need air to breathe. space debris – danger from impact damage.

What makes space travel difficult?

The major health hazards of spaceflight include higher levels of damaging radiation, altered gravity fields, long periods of isolation and confinement, a closed and potentially hostile living environment, and the stress associated with being a long distance from mother Earth.

Why do astronauts lose bone weight?

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.

Why space exploration is a waste of money?

Space exploration is a waste of resources and its dangerous to , so may accident and problems happened in the space like shattering of space vehicles , explosions, pieces falling off and missing the gravity of earth , that is even waste more money to fix them .



How cold is 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).

What are problems with space colonization?

To be sure there are many daunting challenges facing prospective space colonists such as protection from exposure to deadly radiation levels, the impact on the human body while living and working in cramped, low-gravity environments for extended periods of time and the psychological toll of isolation, confinement and

What challenges are NASA currently facing?

In January of this year, we identified four challenges facing NASA: (1) strengthening strategic human capital management, (2) improving contract management; (3) controlling International Space Station costs, and (4) reducing space launch costs.

What are 3 benefits of space exploration?

Everyday benefits of space exploration

  • Improving health care. …
  • Protecting our planet and our environment. …
  • Creating scientific and technical jobs. …
  • Improving our day-to-day lives. …
  • Enhancing safety on Earth. …
  • Making scientific discoveries. …
  • Sparking youth’s interest in science. …
  • Cooperating with countries around the world.




Is space travel a waste of money?

Starting off, NASA doesn’t occupy a large portion of the federal budget at all, clocking in at a 0.4% of the 2018 budget. Even then, it’s not like the money that goes into NASA is being wasted. Each dollar that goes into NASA adds $7-14 to the economy.

Why should we not go to space?

Two types of risk, radiation and altered gravity, come simply from being in space, they said. Research has shown that both can have major negative effects on the body, and even the brain.