Do you believe your computer can be used to search for ET's and other planets in any galaxy?
355784
You're talking about SETI@home.
747782
Kentrell, I want you to look at this Nova website, and to watch these videos, OK?  I did, and was quite impressed with them.  they use infrared X-ray telescopes to look to the center of our Milky Way galaxy, with very clear images!!\n\nhttp://www.pbs.org/wgbh/nova/blackhole/program.html\n\nI believe you will like these, will learn from them!
602414
scan all humans for aliens
243661
you can search them at NASA's website.
250012
Have you tried a search engine?
377781
It depends on what you are trying to do.\n\nIf you are trying to find intersellar radio signals in the nighttime sky (SETI@Home), computers are much more efficient. If you are trying to navigate a vehicle across rocky terrain (DARPA Grand Challenge) apparently humans still beat computers at that pretty handily.\n\nThat doesn't mean that computers won't one day be better at off-road navigation than people, but such is not the case at today's state of the art.
746511
Dear Sir:\n\nWhile there have been some actual transmissions from Earth to the Solar System seeking echos, and some of this might still be going on in a coordinated fashion, as I understand it, the primary mission of the existing radio telescopes is to "Listen" to upper wavelength radio emissions from gas clouds, and other phenomina in the universe. Of course, once some interesting\nradio emissions are detected, a full spectrum scan of the target is most likely conducted to determine the full extent of radio\nsignals from that source.\n\nOther radio transmissions are made from Earth to our traveling Space Probes and Robotic Explorers at various locations in the Universe. A continual litany of telemetry, television and voice signals also flows between the Space Station and Ground Control Center to keep a constant watch on the health, status, and activities of the space crew, mission, and the station itself.\n\nI will defer to someone from one of those positions for an\nanswer as to the power and frequency of transmissions from Earth to the Space Station, Earth to the Robot Explorers, and Earth to the existing Space Probes way out in deep space.\nMy guess is that these various transmissions take place on frequencies between 2,500 Mhz and 40,000 Mhz. That is a \nvery large radio spectrum. \n\nSince my response turns around your question, in that I am telling you that the biggest radio telescopes listen rather than\ntransmit, let me also tell you that the biggest radio telescopes are not simply single structures at a given location. In recent years a scheme for the linkage of two or more radio telescopes was developed. Therefor, the biggest radio telescope would be an electronic combination of the signals from most of the largest installations on Earth. A lot of work has been done in that vein in recent years. Using more than one receiving antenna provides an easy means for researchers to filter out local ground (earthbound) noise generators and radio disturbances. Signals heard at the same time by widely separated receiving antennas (and equipment) are most probably from the sighted target source (assuming both antennas are aimed at the same target). It is also interesting to know that the radio signals that are received require a vast amount of processing to be identified and detected. The processing of the radio telescope incoming signals takes a huge array of computers and some very complex software programs to yield useable data.\n\nYes, radio waves do go on forever. However, their strength at the point of interception decreases by the square of the distance from the source. So, the strength of radio waves become very, very weak as you move into distances like 100,000,000 miles.\nThe wave front would continue out like rings of water in a pond until they hit something and bounced back off of it. In that sense,\na portion of the radio wave would not go on forever, but would become a new wave moving in the oposite direction from the new source (which was the object that the wave struck). The\nrest of the wave front would continue on until it struck something, and we repeated the above scenario. The exact same thing happens to signals transmitted from a sonar transducer in the water. Those devices are used to detect the depth of the bottom of rivers/oceans (depth finder), fish in the water (fish finder), or even other vessels (sub hunting). Sonar, uses sound waves and not radio waves, but the principle is almost the same.  Sound waves radiate out. Nearby echos are strong enough to be detected with existing equipment and are plotted and displayed on information screens. Some echos are so weak coming back that the existing equipment cannot detect/plot/or display  them.\n\nRegards,\nZah
969053
More than a decade after the first planets beyond our solar system were found, astronomers have discovered about 200 of these "extrasolar planets," as they're called. Using a common-sense definition of potentially habitable planets, coupled with extensive computer simulations, scientists have calculated how many potentially habitable planets might be detected around other stars by the SIM PlanetQuest mission. ("SIM" stands for Space Interferometry Mission.) \n\nThe mission, scheduled for a launch in the next decade, will target planets with specific traits in common with Earth: a similar mass and an orbit in the "habitable zone," not too close and not too far from its parent star. With this mass and location, it's believed a planet could have liquid water on its surface and an atmosphere -- conditions considered necessary for life to gain a foothold. \n\nThe science team has shown that, in a survey of the best 120 candidate stars for hosting such planets, SIM PlanetQuest would have the sensitivity to find: \n\n-- Planets smaller than Earth around six stars \n\n-- Planets smaller than twice Earth's mass around 24 stars
5535
No..but if you are lucky enough to actually witness their technology..: UFO/disc/sphere/..etc..it certainly closes any doubt involving the questioning of the existence of extraterrestrials. I have been witness several occasions..day and night to objects in the sky..I certainly wasn't looking for them..I just happen to look up at the right times..but perhaps in the near future if we are lucky ..we can get more governments throughout the world to come clean..and fill us in..on what many believe and some even know...that we are not alone..here or the universe
881056
have you tried a search engine?
249308
Sure why not.\n\nJust look up in the night sky. There are so many starts we can see, and untold planets we can't. This is just one galaxy. There are so many more out there in the univers. It is really silly to think that with all those planets, ours is the only one that has life.\nOur planet is still a young one. I'm sure there are life forms on other planets that have technology we can't begin to comprehend
804830
You really don't need it. But I suggest Google Earth. It is as good as it get.\n\nhttp://www.space.com/top10_alienencounters_debunked.html
229729
Same reason we don't go looking for aliens in the millions of other galaxies.  Space travel isn't something that's fast.  It takes years and years to get somewhere that you can see in a telescope, let alone trying to go to somewhere that you can't.
217130
Nah, there's nothing out there. It would take too long to travel to any of the planets. By the time I got to Jupiter I would be wearing diapers and being fed Geritol through an IV everyday.
946543
My computer's on almost all the time, but I'm rarely home. During it's idle hours it crunches SETI@Home and Rosetta@Home.\n\nWhen I'm using it I'm doing homework or playing games.
693713
SETI@home is a distributed computing project, that is, it uses the processing power of millions of regular PC's around the world to do the analysis of huge quantities of data, which would normally need a supercomputer to be done. To give you an idea, if all seti@home work had been done by one computer only, it would have to be working for millions of years! It's like the millions of PCs form only one huge virtual supercomputer.\n\nThere are many ways SETI scientists try to find evidence of extraterrestrial intelligence. one of them is scanning the space for radio signals that follow certain patterns which would unlikely be produced randomly by nature.\n\nSETI@home uses this method. It records data from the Arecibo radiotelescope (the biggest in the world), then it splits it into several workunits and send them through the internet to voluntary users worldwide who donate their computer idle time to analyse the data, and then return the results to the project servers.\n\nThe analisys is done by a small software that can be downloaded from http://boinc.berkeley.edu/download.php wich works pretty much like a regular screen saver, starting after your computer has been idle for some minutes and stopping when you start using the computer again.\n\nSo, as you see, you will help a lot by adding your computer power to the project, by turning the virtual supercomputer a bit more powerful. And besides, that is the only way you can actively do something practical to help SETI (without spending money or having any hard work, obvioulsy)
396208
i do because there are many galaxies are there. but you just wait because in the next 20 years we'll  be able to detect alien life forms other than our planet because if there are those aliens are trying to contact with us by waves (like we use on our planets for example, radio waves.) there is evidence that life used to exist on mars. not like life like us (like mircoscopic things). there are many stories that aliens have come to visit our planet. can be true because as they are as they are described in the movies all these phonomenons are happening buts its not possible for us yet to go visit another galaxy. not eveough human years. but in the next upcoming years we'l have ships that will be able to jump into time. as we are doing right now for example, when a space shuttle stays in orbit for atleast a year, they jump into time by 3.8 seconds. its hard to believe but its true . in star trek when they jump into time there using those worm holes. they exist but there so damn small that we have to enlarge them. there smaller than an atom. as phsyics desribres its not possible to go as fast as the speed of light it'll be possible in the next upcoming years. (i dont no when though) but if we go any faaster than the speed of light we'll be crushed by the gravity so that is why we'll be using worm holes and that is one way that we'll be able to visit other galaxies. i hope i stay alive doing that time lol