Dave's ESL Cafe's Student Discussion Forums

coffeedecafe · Joined: 02 Mar 2004 Posts: 140 Location: michigan,usa

hte future for people building vehicles and traveling out the earth atmosphere is great. individuals as well as countries will do this and spend lots of money and plant satellites, but what good is that? not one good fishing hole in space. better and quicker to get your rowboat and fishing pole. cheaper vacation too. if you are too busy to fish, you are too busy to fly rockets, don't you think?
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coffeedecafe

Honey · Joined: 25 Apr 2003 Posts: 89 Location: Colombia

It's just become a dream of invading different places besides Earth. That's what I feel: to fulfill children's ream of travelling around the space and to fulfill the ego of scientifics. If not, what's the prize for discovering something that they haven't created? And all the discoveries are used for their own profic, not like before, when knowledge was at our service.

So it's just a fantasy. Or something like that.
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http://honey.fun2learnmore.de

coffeedecafe · Joined: 02 Mar 2004 Posts: 140 Location: michigan,usa

merry christmas to all, and peace, goodwill to men.
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coffeedecafe

blackie · Joined: 02 Apr 2004 Posts: 12 Location: Taiwan

blackie · Joined: 02 Apr 2004 Posts: 12 Location: Taiwan

Tell the truth. I aslo don't see and know the benefits for human beings if we travel and discover another plantes. Becuase we have more desires, we want to know and get more. I think it's better save the money for explore the space and spend on saving our earth.

coffeedecafe · Joined: 02 Mar 2004 Posts: 140 Location: michigan,usa

yes, i think we are wasting our time in space, if we think we are going to find some new friends out there. yet it gives us a chance to build things we cannot use on earth. everything we learn can be used some other way.
though we may be sure that life in outer space is unlikely, what if we find out we were wrong? i just want the time to go fishing.
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coffeedecafe

Bob S. · Joined: 29 Apr 2004 Posts: 1767 Location: So. Cal

Why explore space? Because the Earth is doomed, though not by anything we do. The sun is midway through its effective career as our life-giver. In 5 billion years, it will exhaust its fuel and start to swell into a red giant. This process will cook the Earth, boiling away the oceans and atmosphere in a lethal bath of solar winds. If we want life as we know it to survive in any form, we'll need to find a new home on some other world (eventually). We'll need to find the right size planet around a right size and age star, spend thousands of years to travel there, and thousands or millions of years to terraform it. Better to get started now.

Regarding our sun, see http://www.astronomytoday.com/astronomy/sun.html.

coffeedecafe · Joined: 02 Mar 2004 Posts: 140 Location: michigan,usa

if it takes a thousand years to reach this other rightsize planet, and our sun is not expected to fail for an even larger amount of time and i cannot fit a thousand year journey in my lifetime, it would be best to not even worry about it, don't you think?
at best a small colony could board ship, and the rest of us just enjoy our present blessings.
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coffeedecafe

fus01344 · Joined: 07 Jul 2005 Posts: 1

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tatoshka · Joined: 26 Jul 2005 Posts: 6

Discovery is up there!!!