Imagine there was another Earthlike planet in our system

The first was mild, and in civilian life, selection favors a mild strain - if you get really sick, you stay at home.

Smart people do, but they're the exception.

Perhaps you remember in 2007, when Atlanta personal-injury lawyer Andrew "Drew" Speaker flew from Atlanta, Georgia to Paris, France and on to Greece and then Italy before returning on a flight from Prague, Czech Republic to Montreal, Canada, where he crossed over the border and back into the United States while infected with multi-drug-resistant tuberculosis?

That's not the worst form of tuberculosis, but it IS a serious infectious disease transmitted via aerosolized particles.

Oh, and by the way, have you considered the risk factor to humans here?

Certainly.

However, even with sharing 90+% of our DNA, viruses do not jump easily from species to species with pathogenic virulence.

There was a recent report of a newly discovered deep-ice (or was it deep sea?) organism with less than 90% similarity.

Unless Martian and terrestrial life share a common origin, it is likely that we share less than 50% of our DNA...assuming they're even carbon based.

Note, however, that doesn't answer the question or risk. Depending on the virus's mechanisms, it might still be dangerous to us. Who knows- the bioweapon might produce arsenic as a side effect of its presence in a human body- a completely different method of killing than it uses to kill Martians.

One would hope, however, that those involved in producing a bioweapon would test it to see how it interacts with terrestrial biology,

No it isn't.

The difference is chiefly one of scale- which DOES present unique challenges- but the same could be said of moving space rocks 2.5 miles wide from the asteroid belt.
 

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Since we developed communication and higher thinking, and realized that working together tends to get you further than killing each other. That's not to say that many humans aren't still blood-thirsty brutes, but there are those who realize that co-operation is usually the winning strategy.

You are forgetting people are simply evil. Rapacious for material goods and the blood and suffering of others. One in ten people would smoke a kitten for the sake of smoking a kitten. Our reputation for rational thinking is vastly over rated. Grief is a better spectator sport than baseball, misery is a better spectator sport than grief and wars are the best form of spectator sport.

Go Team Pointless Genocide.
 

I agree with the sentiment, somewhat, but not the percentages of evil in humanity. I'd say 1/100 at worst, not 1/10.

Our reputation for rational thinking is vastly over rated.

If there is one thing I've learned in my studies of the past fire years, it is that the rational human mind is an overlay over an irrational, emotional, animal core- like Windows over DOS- and the irrational portion is what engages most quickly.
 

We might actually develop a real space program, so we could go there and invade/conquer/colonize/enslave it. All in the name of glory, gods, and greed. Even better if there's an indigenous life form or three to wipe out or degrade.
But at least we would have a space program, and maybe, just maybe, start to get off this one single isolated mud ball to explore the universe instead of sitting here, mindlessly consuming and stewing like a bunch of parasites or pustules.
Or we can sit back and watch telee.
 


Query: At what point in history would we be able to see the surface of this other Earth with enough clarity to realize that it has a similar biosphere and/or intelligent life? How powerful were the best telescopes pre-WWI.
 

Sorry about the misunderstanding Morrus.

As for what would happen, my stance is that rich wealthy and powerful Earthlings would get in touch with rich wealthy and powerful Martians and figure out they can profit from pretending to care about the hostilities between their nations. I mean, we know global warming is going to mess up our whole planet, but politicians get money from oil companies, so they deny the science.

I'm singling you out but it's prevalent throughout the thread. This is a very human centered, anthropocentric, way of looking at it. You're making the assumption that the aliens have political and economic structures as we have here in the developed world. That's a huge assumption.
While as Umbran put it we could probably have a similar understanding of the world around us in math and physics if our technologies are of the same level. This doesn't mean in any way that they look at the universe, their place and our place in it in the same way we do.

To hopefully illustrate my point, there are practices and believes in other cultures in our world that seem almost alien.

From Ron Brauman's report on his work for MSF in Uganda in the early 1980's when he struggled to distribute insufficient food supplies:

"We very quickly observed that the food was being taken away from the so-called target population of children under five and pregnant women to be given to the elders in these villages...For the Karamojong...maintaining their elders was of supreme importance for reasons that may be obvious even in the West: social coherence, social authority and decent social standards. Whereas the kids, of course, the death of a child is always painful no matter where one goes, can be replaced easily. An elder cannot be replaced."

You can understand, if you think about it, the logic of this behavior. It's not even twisted or mad, but very practical and human. But can you say you can really empathize with it? I couldn't take the food from a starving child to give to my Nana, I'm pretty sure Nana wouldn't accept it.

We have no choice but to give other things human attributes and to see patterns where there aren't necessarily any. This is our nature. Some people might think a dog baring its teeth is smiling and inviting you to pet it but people who have experience with dogs know you shouldn't get any closer.

We will have no experience with aliens and no way to knowing how they are going to react to anything we do. We can make assumptions based on extrapolations of data we can gather but every assumptions we make should be treated as suspect because of our aforementioned anthropocentric attitude.

The premise is that they are at the same level as us. Bullgrit hasn't mentioned if we are aware they are at the same level.

I've been making some assumptions and after reading the points made here have made a few adjustments and my assumptions are as follows:

- Our history hasn't changed since we received the radio-signals from Mars. I'm making this assumption to avoid having to change the last 70 years of history, aside from the fact that there haven't been any missions to Mars in that time. We are just now in 2013 thinking about doing something about the others.

- We know nothing except for the following: They can send and likely receive signals. They have sattelites in orbit. We have detected contrails in their atmosphere and can see where, what we assume, the population hubs are. If someone wants to expand on my list on what we know with current technology, please do.

The problem is we don't know anything. We can't. Everything we learn about them we'll attribute our own understanding and morality to. This is what is frightening. Our seemingly insurmountable ignorance.

Umbran, it's true that behind the rhetoric of wars is usually a socio-economic reason but that reason is based on the fear of not having enough. When in the history of "civilization" have we ever gone: "Well that should do it, we have sufficient resources to provide for ourselves and those around us. No more conquering for us." They are considerably closer to the asteroid belt which could have a lot of resources for when we become a space-faring species. We can't afford there to be a asteroid-mining shaft gap.

Bullgrit, sorry about being the first to s**t on your thread by going "look, they're different, kill them!". I understand I'm very likely projecting my own fears when I say something like that we have to kill them before they kill us. I take this stance because I made the assumption that conversation type of communication isn't possible for a considerable time.
If they are not really alien but just a culture of basically humans on another planet then you can take your pick of any Star Trek first contact scenarios and see what could happen.

I suppose my biggest fear is that they are like us but unified. Perhaps in a religious or ideological way. Who are we to they if they have the strong belief that they are the Chosen Ones in their Creator's universe.
 

I suppose my biggest fear is that they are like us but unified.

Earth would want to kill them if they were anthropomorphic kittens. Earth would want to kill them if they were hot anarchic atheistic sex pots who extended us an open invitation. Earth would want to kill them if they were just like us (a perfect duplicate of Earth). Earth would want to kill them if doing so meant 4 in 5 children on Earth had to choke to death on their own excrement.

Charity, compassion and open mindedness are lies.

Humans are objectively evil.
 
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Earth would want to kill them if they were anthropomorphic kittens. Earth would want to kill them if they were hot anarchic atheistic sex pots who extended us an open invitation. Earth would want to kill them if they were just like us (a perfect duplicate of Earth). Earth would want to kill them if doing so meant 4 in 5 children on Earth had to choke to death on their own excrement.

Charity, compassion and open mindedness are lies.

Humans are objectively evil.

I don't think that's true. Only about 1% of the human population has a predisposition for psychotic or sociopathic behavior. What we would likely consider to be "evil." The rest of us certainly have it in us to do "evil" things but we're not as equipped with dealing with the psychological stress that comes from doing evil towards our own kind.

We have an innate desire to work together and care for each other. This is possible due to an evolutionary necessity where it was beneficial to be kind to each other.

It would certainly be easier to wage war on another race, psychologically, especially considering the distances involved.
 


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