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For the folks who belive mars can have life.
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C Olival Send message Joined: 6 Sep 10 Posts: 209 Credit: 10,675 RAC: 0 |
If life is found in Europa, Titan, Mars, then probably would be on the bacterial level, multicellular; but doubtfull that any other planetary or lunar body in the Solar System would have inteligent life other than Earth. No doubt that life exists in the Milky Way, just hard to imagine a galaxy with over 100 billion stars,and Sol is the only star that hosts a planet with life. |
William Rothamel Send message Joined: 25 Oct 06 Posts: 3756 Credit: 1,999,735 RAC: 4 |
When you think about all the things that have to be in balance for intelligent life then you may feel that perhaps there are extraordinarily few such planets in the Milky Way system. Such planets might be hopelessly far away. |
Michael John Hind Send message Joined: 6 Feb 07 Posts: 1330 Credit: 3,632,028 RAC: 0 |
There would be no 'embarrassment' at all. Such a find would be startling! Ml1, us who take a great interest in the search for life in the universe would not I suspect be startled by some form of life being found on another planet. I suspect that we all expect something to be found but tend to generally disagree as to whether or not the life discovered will be that of the intelligent type. ...I would be startled though if we did discover intelligent or even human life out there in the universe somewhere. If we found intelligent life in the universe via signals picked-up by Seti then I'd be Startled and then become very excited by it. Just hope though that if they were vastly more intelligent than us that they do not reply on oil as a commodity. For if they did and they were running very short of it they may came and raid Earth in an attempt to steal ours. |
William Rothamel Send message Joined: 25 Oct 06 Posts: 3756 Credit: 1,999,735 RAC: 4 |
Mars was warmer in the past. The temp may be warmer underground. Digging may find fossils left over from the warmer climate that Mars once had. |
C Olival Send message Joined: 6 Sep 10 Posts: 209 Credit: 10,675 RAC: 0 |
Probably, inteligent life would not look like humans, but i suspect that inteligent life in another planet would be bipedal. Nature tends to favor life forms that have a better ability to survive the elements. The laws of nature apply the same to every point in space and life is no exception. |
Samuel Send message Joined: 13 Nov 07 Posts: 40 Credit: 554,815 RAC: 0 |
The number of extremities and the type of locomotion maybe depends on the conditions of the the planet where the species live. if there is a high gravity the species may move pentpedal or there won't be any extremities (like a snake). A lower gravity may gives preferences to bipedal locomotion. |
William Rothamel Send message Joined: 25 Oct 06 Posts: 3756 Credit: 1,999,735 RAC: 4 |
Bipedalism for four-limbed creatures allows us to swing through the trees as well as walk upright in the savannas. We can also stay on the ground and pick fruit, nuts and and berries. |
Allie in Vancouver Send message Joined: 16 Mar 07 Posts: 3949 Credit: 1,604,668 RAC: 0 |
More limbs means more brain power needed for control means less brain power available for abstract thought. I would imagine that 2 legs would be the most likely for intelligent life. Asymmetrical, odd numbered limbed life would take even more brain power than even limbed creatures so while three legs is possible, three legs plus intelligence is less likely. Pure mathematics is, in its way, the poetry of logical ideas. Albert Einstein |
C Olival Send message Joined: 6 Sep 10 Posts: 209 Credit: 10,675 RAC: 0 |
Inteligent life being pentpedal, or tri-pedal, that would pose great stress in the skelletal structure. Like here on Earth, pentpedal locomotion would apply more toward the small life forms, such as insects, archanids. Whereas bipedal locomotion allows more speed, running from danger, hunting. Could not imagine a 7 feet tall tarantula, just not nature efficient. |
Gary Charpentier Send message Joined: 25 Dec 00 Posts: 30651 Credit: 53,134,872 RAC: 32 |
Inteligent life being pentpedal, or tri-pedal, that would pose great stress in the skelletal structure. Like here on Earth, pentpedal locomotion would apply more toward the small life forms, such as insects, archanids. Whereas bipedal locomotion allows more speed, running from danger, hunting. Could not imagine a 7 feet tall tarantula, just not nature efficient. Let's see here: Cheetah, cat, about 70 MPH. Usain Bolt, Human, about 23 MPH. Faster? Conclusion: Quadrupeds are faster than bipeds. |
C Olival Send message Joined: 6 Sep 10 Posts: 209 Credit: 10,675 RAC: 0 |
conclusion: inteligent life here on Earth= bipedal,which is higher primates= humans. Survival of the fitest. Yes, mamelians are mostly four legged, with the exceptions of marine mamals; however, apes are mostly bipedal. Bird are bipedal too, if we want to emphasize bipedalism. |
C Olival Send message Joined: 6 Sep 10 Posts: 209 Credit: 10,675 RAC: 0 |
Quick question for whoever is familiar, is the Hubble space telescope able to identify planets of Earth's size? Has the Centauri system been observed by the Hubble space telescope? |
tullio Send message Joined: 9 Apr 04 Posts: 8797 Credit: 2,930,782 RAC: 1 |
I don't think so. You cannot directly observe a planet. You must record the light curve of the star as the planet passes in front of it, or you must be able to track a motion of the star as the planet goes around it. You need special instruments and software to process the data. Hubble was not built to search for planets, as instead Kepler was. Tullio |
Bob DeWoody Send message Joined: 9 May 10 Posts: 3387 Credit: 4,182,900 RAC: 10 |
We also need to consider outside influences. The dinosaurs ruled earth for millions of years but never got smart enough to be aware of more than their immediate surroundings. So as that big rock was hurtling closer and closer to an impact with earth the didn't have a clue. Now it remains to be seen whether humans are smart enough to avoid a similar fate or an equally disasterous one we bring upon ourselves. But what the heck does all of this have to do with whether microbes live or have lived on Mars? Bob DeWoody My motto: Never do today what you can put off until tomorrow as it may not be required. This no longer applies in light of current events. |
C Olival Send message Joined: 6 Sep 10 Posts: 209 Credit: 10,675 RAC: 0 |
I agree, there is a higher probability of us humans destroying ourselves and the planet via wars, diseases, climatic changes, or as we all know; the Sun eventually will go red giant phase and Earth will be be toasted in the process. That brings forth the argument of which is, how and when will humans develop feasible propulsion systems to travel to other stars? |
C Olival Send message Joined: 6 Sep 10 Posts: 209 Credit: 10,675 RAC: 0 |
Question, if an alien civilization has powerful radio telescopes, could those telescopes capture signals from many setalites orbiting Earth? Earth must be like a beacon with all those setalites orbiting it. Earth would stand out due to artificial nature of the radio signals given off by setalites. |
William Rothamel Send message Joined: 25 Oct 06 Posts: 3756 Credit: 1,999,735 RAC: 4 |
Satellites are low power and their antennas are pointed at earth. |
ML1 Send message Joined: 25 Nov 01 Posts: 20291 Credit: 7,508,002 RAC: 20 |
... Earth must be like a beacon with all those setalites orbiting it. ... Not from satellites, but from other vastly more powerful transmitters from such as TV and radio broadcast transmitters and from radar. I'd guess those transmissions may reach as far as a 100 light years or so before being swamped by galactic noise. Keep searching, Martin See new freedom: Mageia Linux Take a look for yourself: Linux Format The Future is what We all make IT (GPLv3) |
tullio Send message Joined: 9 Apr 04 Posts: 8797 Credit: 2,930,782 RAC: 1 |
TV broadcasts in Italy (no cable TV) have switched from analog to digital so I had to buy a decoder for my old analog TV set.So a question arose: are we searching for digital or analog signals? I know radars can use both. Tullio |
William Rothamel Send message Joined: 25 Oct 06 Posts: 3756 Credit: 1,999,735 RAC: 4 |
The Carrier would most likely be analog. The information would be either. A series of shapes could also be sent. Maybe rectangles and triangles--analog signals that would pop up out of the noise under autocorrelation. |
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