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Transcript of Space Travel
Paolo Pagtakhan, and Jeremy Wong
RISK OF HUMANS IN SPACE
MILITARIZATION OF SPACE
If we're going to space, WHAT do we have to worry about?
ROBOTIC TECHNOLOGY RESTRICTIONS
And WHAT ABOUT the ethical issues of space travel?
APPROPRIATENESS OF TERRAFORMING
EXPOSING HUMANS TO RISKS
And WHY do we want to go?
Reasons such as colonization, resource mining, and our focus: EXTRATERRESTRIAL LIFE
It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn't feel like a giant. I felt very, very small.
- Neil Armstrong
Time has never really been on our side when exploring space.
Lengths of Previous Space Journeys
The trip to the Moon lasted 4 days, 6 hours, and 45 minutes. The Moon is very close in comparison to other explorable planets.
The Viking I to Mars was the first drone to successfully land on Mars. Its journey took 335 days.
The Viking II also landed on Mars this year, its trip taking 360 days.
The Mars Reconnaissance Orbiter was sent into orbit this and its trip took 210 years.
The Phoenix Lander's trip took 295 days to reach the surface of Mars.
The Curiosity Rover touched down on Mars' surface after a 253 day trip.
Getting there faster means more fuel needs to be used. With time limitations such as these, there are a few things to consider:
Food and supplies for astronauts must be sufficient to sustain them.
Research must be put into more compact fuel sources with better efficiency.
Stasis technology must be researched to keep astronauts from being awake drifting for possibly years on end.
ROBOTIC AND TECHNOLOGICAL
Funding space explorations is a very large setback.
NASA isn't cheap to sustain.
One of world's largest beneficiaries to the International Space Station, the US, spends almost $16 billion each year on NASA, and budgeting almost $50 billion contributing to the International Space Station.
Simple expeditions are already expensive.
A trip for two to the Moon costs $1.5 billion. A trip around the atmosphere costs $200 000.
To put that into scale...
A trip to Mars in the near future can cost upwards of $10 billion. Expanding on further horizons will either spell out large financial problems or cooperation between businesses and governments to plan journeys.
How are we going to keep space under control?
What will prevent everybody from fighting over the territory of space?
Russian cosmonauts carried guns on board as a result of their military tradition.
Today, space is commonly understood as an area shared by mankind and not as a front for warfare. One factor in creating this understanding was the "Outer Space Treaty".
Satellites were placed to monitor opposing countries. Space was supposed to be the final frontier of mankind's fighting.
The early space race was a result of the US and USSR's early attempts to militarize space.
Space was an advantageous front to control in terms of war, and is still advantageous to be a part of today. Counties such as China, Japan, and India have space programs too.
• Outer Space Treaty •
Exploration of outer space shall benefit all of mankind.
Outer space shall be free for all countries.
Countries shall not place nuclear weapons of mass destruction in orbit or around celestial bodies.
Countries shall avoid harmful contamination of space and celestial bodies.
And what will we do to planets that aren't suitable to us?
How will robots aid our space endeavours?
Simply put, a planet suitable for human habitation, but not hospitable yet, can be terraformed.
Terraforming is the deliberate alteration of a planet's atmosphere, often to make it more hospitable.
Should humans be allowed to "play God" by altering a planet's landscape?
Mars could be a second Earth. When our Earth runs out of room, Mars will be able to support life if terraforming is allowed.
Venus could be a fertile greenhouse, rich in nitrogen for plants to grow in.
The advantages include...
The disadvantages include...
More room for future settlement
Terraforming for colonization allows for better use of possible space trade networks
Terraforming will allow easier access of resources on the planets themselves
Lunokhod 1 was the first ever
successful rover sent into space.
It was Russian-tech, traveled 10.5
km and held the durability record
for space rovers for over 30 years.
Terraforming would be highly experimental and could harm natural planet formations or potential ecosystems
The use of terraforming would be a human interference of nature and spark controversy
What happens to human we send into space? Are we allowed to risk human life like this?
Space presents countless dangers to humans such as:
Stuffy nose and headaches because of fluids shifting
Lack of gravity will create kidney stones
Muscles weaken from lack of gravity
Danger of losing course
Alien environments cause harm to astronauts
Machinery malfunctions cause harm to astronauts
If discovered, hostile alien life forms attacking astronauts
Considering all of this, should humans be allowed to risk their lives in space?
The task of ensuring mission and astronaut safety is not taken lightly, so successes often outweigh failures.
The procedure of making sure missions are successful often include many safety tests.
Though many missions have been successful, some, like the disintegration of the Challenger space shuttle in 1986, end up costing the lives of several astronauts.
And what happens if we find aliens?
Interest in alien life is on the driving forces behind space exploration.
Opportunity was sent to Mars by NASA and is still running today, so far it has traveled 36 km and beats Lunokhod 1 in the durability record for space rovers
Many scientists find it hard to believe we are alone in the universe. In a universe comprised of infinitely expanding galaxies, someone else must be out there.
What's so cool about finding aliens?
Extraterrestrial life forms could potentially be...
Space diplomats with knowledge of other aliens
Willing to share technological advancements
Willing to be examined for scientific purposes
Less advanced but possible to be nurtured and brought up
Warmongers seeking to use our resources
Alien relations could prove to be beneficial.
Like Europeans meeting Natives for the first time, both sides could benefit from mutual relations. Possible advancements gained by alien relations include establishing trade networks or discovering more efficient space travel technology.
OR IF THE ALIENS ARE HOSTILE WE COULD LEARN A VALUABLE LESSON IN MINDING OUR OWN BUSINESS.
Robots play an important role in exploration today.
In the future, robots will play a significant role in keeping humans alive in space.
With advancements in artificial intelligence technology, robots will be instrumental to ensuring mankind's success in space. From controlling scientific instruments to monitoring life support systems, it is clear to see that robotics is an essential science in furthering space travel.
Thanks for exploring the outer limits of space with us.