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mO k3 wrote:kod toliko pametnih telefona danas da jos niko nije snimio nlo....

karanana wrote:pa dobro, oni iz ancient aliensa ce ti reci da postoje tragovi i neki dokazi u nekim crtezima i artifaktima da su stare civilizacije vidjale i imale kontakt sa vanzemaljskim bicima, ali su mi oni malo onako cvrc cvrc.
za ostalo se slazem. te daljine su nevjerovatne da bi se neki nlo pojavio preko noci malo letucko iznad par gradova i onda nestao i vratio se na svoju planetu. e jedino ako je ta crvotocina moguca i to savijanje vremena i prostora i ako su to usavrsili na neki nacin.
a da li inace vjerujem u vanzemaljce....pa moras vjerovat. brojke govore da nema teoretskih sansi da smo sami. vjerovatno ni u galaksiji a kamoli cijelom univerzumu. ovo govorim pod pretpostavkom da je tacno sve ovo malo sto ovi astrofizicari i teoreticari znaju o planetama, galaksijama i univerzumu.
postoji ona racunica koju je onaj frajer radio 60ih-70ih kojom je teoretski izracuno postojanje miliona i miliona planeta sa zivotom u svemiru.
e jedino ja isto ne vjerujem da je moguce da jedna civilizacija zivi, prosperira i razvija se milione i milione godina sto bi je dovelo do nekog supernevjerovatnog teholoskog razvitka. uvijek se desi neki katastrofalni dogadjaj koji civilizacije vrati na amebe i na jovo na novo.

Dope_Man wrote:Ne moraju nuzno svi ti uvjeti biti zadovoljenji. Ti u sustini posmatras tu nas oblik zivota kao jedini moguci, koji onda zahtjeva uslove kakve Zemlja trenutno ima. I dok je tacno da su i svemirskim agencijama najznimljivije planete koje lice na Zemlju, postoji mogucnost da se mozda negdje razijao zivot u potpuno drugacijem obliku od naseg.

Naravno, kao sto si vec ranije napisao, sama velicina svemira uveliko smanjuje mogunost da cemo se ikada sresti sa takvim alienima osim ako ne otkrijemo nacin da idemo kroz prostor brze od brzine svjetlosti.. Bilo to kron neke "rupe", crvotocine ili sta god.. Ako se ikad uspije takvo sto skontati.

TESLA_EDISON wrote: Što se NLO-a tiče, dovoljno je sagledati to da su se isti pojavili nakon ww2. Posebno su izraženi u Arizoni, Nevadi, oko Područja 51, nuklearnih centrala, vojnih baza i sl. Pitam se što li?!

Kada se BlackBird razvijao i na kraju i pojavio, ljudi su bili uvjereni da je NLO u pitanju a ono obični bombarder. Ista stvar je i sa F 117. Dosta tih NLO-a se namjerno sceniraju kako bi se skrenula pažnja od nekih važnijih stvari i vojnih projekata. Jako je jednostavno napraviti NLO, malo lasera, LED-ova, dronova i eto ga. Pogotovo ako se ima dosta novca kao što imaju razne vlade i sl.

Dope_Man wrote:

TESLA_EDISON wrote: Što se NLO-a tiče, dovoljno je sagledati to da su se isti pojavili nakon ww2. Posebno su izraženi u Arizoni, Nevadi, oko Područja 51, nuklearnih centrala, vojnih baza i sl. Pitam se što li?!

Kada se BlackBird razvijao i na kraju i pojavio, ljudi su bili uvjereni da je NLO u pitanju a ono obični bombarder. Ista stvar je i sa F 117. Dosta tih NLO-a se namjerno sceniraju kako bi se skrenula pažnja od nekih važnijih stvari i vojnih projekata. Jako je jednostavno napraviti NLO, malo lasera, LED-ova, dronova i eto ga. Pogotovo ako se ima dosta novca kao što imaju razne vlade i sl.

Slazem se sa prethodnim, a sto se ovog dijela teksta tice mislim da i ne moraju uopste da se trude. Ljudima je iz dosade, i nedostatka volje da se bave icim sto zahtjeva stvarni mentalni napor, najlakse izmisliti razne stvari i onda praviti mitove od toga. Historija prepuna toga, kao i ova tema. Dovoljno je da su se par puta zeznuli vidjevsi razne eksperimentalne letjelice da i danas hrane ego pricom o NLO-ima, jer je to lakse, a osjecaju se posebnije, nego otkriti pravu pricu iza toga o razvijanju obicne vojne tehnologije.

paladinka wrote:

Dope_Man wrote:

TESLA_EDISON wrote: Što se NLO-a tiče, dovoljno je sagledati to da su se isti pojavili nakon ww2. Posebno su izraženi u Arizoni, Nevadi, oko Područja 51, nuklearnih centrala, vojnih baza i sl. Pitam se što li?!

Kada se BlackBird razvijao i na kraju i pojavio, ljudi su bili uvjereni da je NLO u pitanju a ono obični bombarder. Ista stvar je i sa F 117. Dosta tih NLO-a se namjerno sceniraju kako bi se skrenula pažnja od nekih važnijih stvari i vojnih projekata. Jako je jednostavno napraviti NLO, malo lasera, LED-ova, dronova i eto ga. Pogotovo ako se ima dosta novca kao što imaju razne vlade i sl.

Slazem se sa prethodnim, a sto se ovog dijela teksta tice mislim da i ne moraju uopste da se trude. Ljudima je iz dosade, i nedostatka volje da se bave icim sto zahtjeva stvarni mentalni napor, najlakse izmisliti razne stvari i onda praviti mitove od toga. Historija prepuna toga, kao i ova tema. Dovoljno je da su se par puta zeznuli vidjevsi razne eksperimentalne letjelice da i danas hrane ego pricom o NLO-ima, jer je to lakse, a osjecaju se posebnije, nego otkriti pravu pricu iza toga o razvijanju obicne vojne tehnologije.

Nisu se NLO pojavili nakon ww2 , nego na osnovu bolje tehnologije je bolja bogucnost da se nepoznati objekti prepoznaju.

Dope_Man wrote:

TESLA_EDISON wrote: Što se NLO-a tiče, dovoljno je sagledati to da su se isti pojavili nakon ww2. Posebno su izraženi u Arizoni, Nevadi, oko Područja 51, nuklearnih centrala, vojnih baza i sl. Pitam se što li?!

Kada se BlackBird razvijao i na kraju i pojavio, ljudi su bili uvjereni da je NLO u pitanju a ono obični bombarder. Ista stvar je i sa F 117. Dosta tih NLO-a se namjerno sceniraju kako bi se skrenula pažnja od nekih važnijih stvari i vojnih projekata. Jako je jednostavno napraviti NLO, malo lasera, LED-ova, dronova i eto ga. Pogotovo ako se ima dosta novca kao što imaju razne vlade i sl.

Slazem se sa prethodnim, a sto se ovog dijela teksta tice mislim da i ne moraju uopste da se trude. Ljudima je iz dosade, i nedostatka volje da se bave icim sto zahtjeva stvarni mentalni napor, najlakse izmisliti razne stvari i onda praviti mitove od toga. Historija prepuna toga, kao i ova tema. Dovoljno je da su se par puta zeznuli vidjevsi razne eksperimentalne letjelice da i danas hrane ego pricom o NLO-ima, jer je to lakse, a osjecaju se posebnije, nego otkriti pravu pricu iza toga o razvijanju obicne vojne tehnologije.

mO k3 wrote:kod toliko pametnih telefona danas da jos niko nije snimio nlo....

espn wrote:

mO k3 wrote:kod toliko pametnih telefona danas da jos niko nije snimio nlo....

Kako nije? Imaš hiljade snimaka NLO-a na youtube-u.

TESLA_EDISON wrote: ... Ako bi vanzemaljci imali neki ekstremno velik teleskop koji bi gledao na Zemlju i ako bi ovog momenta gledali u istu, vidjeli bi dinosauruse budući da bi zbog ograničenja brzine svjetlosti, oni gledali 2.5 milijuna godina u prošlost ...

insomnia78 wrote:Tu bi im i bio kraj

mO k3 wrote:

espn wrote:

mO k3 wrote:kod toliko pametnih telefona danas da jos niko nije snimio nlo....

Kako nije? Imaš hiljade snimaka NLO-a na youtube-u.

Daj mi 3 snimika , hvala unaprijed

Dope_Man wrote:To sto ljudima nije jasna bas svaka sitnica (od kojih su mnoge besmislene ali ljudi vole mitove jer su zanimljiviji nego istina) ne znaci da naucni metod za otkrivanje logike funkcionisanja svijeta u kom zivimo nije validan.

Trenutno je to najbolji metod koji imamo, jer je jedini koji pokusava objektivno pristupiti realnosti i dozvoljava potpunu promjenu misljenja ako to dokazi zahtjevaju.

S druge strane neko voli vjerovati da vanzemaljci postoje (na Zemlji danas) i nista vas nece razuvjeriti u tome... samo vi svoj pos'o. Na vasu zalost umrijecete a sresti nijednog necete. To je vec prilicno sigurna stvar, a odgovor zasto vam pise u par postova na ovoj stranici. Snagu vjere u istinitost vidimo opet ovdje kada covjek par postova ranije napisa: ''Daj mi 3 snimika , hvala unaprijed''... i sugovornik nestade. A samo se trazilo nesto za sta sugovornik prethodno rece da postoji hiljade komada istog.

pemanapemani wrote:Ma ne može se imati argumentirana konverzacija, kada se bilo kakav argument ne priznaje.
Čovjek koji je radio u programu za otkrivanje NLO u Pentagonu smatra kako ovo nisu zemaljske letjelice, a ti kažeš da ćeš ga zajebati sa dva drona i led diodama.

Eto, nedavno je pored Zemlje prošao "asteroid" Oumuamua. Nauka ne može objasniti njegovu putanju.
Ali se objašnjava šta se dešava na Andromedi udaljenoj hiljade svjetlosnih godina.

It came from outside the solar system -- Because of its high speed (196,000 mph, or 87.3 kilometers per second) and the trajectory it followed as it whipped around the Sun, scientists are confident 'Oumuamua originated beyond our solar system. The object flew by Earth so fast its speed couldn't be due to the influence of the Sun's gravity alone, so it must have approached the solar system at an already high speed and not interacted with any other planets. On its journey past our star, the object came within a quarter of the distance between the Sun and Earth.

-Its trajectory is hyperbolic -- By tracking this object as it passed within view of telescopes, scientists can see that this high-speed object won't be captured by our Sun's gravity. It won't circle back around again on an elliptical path. Instead, it will follow the shape of a hyperbola -- that is, it will keep on going out of the solar system, and never come back.

-It doesn't look like a comet, but it behaves like one -- A comet is a small icy body that, when heated by the Sun, develops a coma -- a fuzzy atmosphere and tail made of volatile material vaporizing off the comet body. At first, scientists assumed 'Oumuamua was a comet. But because 'Oumuamua appears in telescope images as a single point of light without a coma, scientists then concluded it was an asteroid. But when astronomers saw the object was accelerating ever so slightly, they realized that a coma and jets might not be visible to the telescopes used to observe it. The jetting of volatile materials or "outgassing" would explain why 'Oumuamua was accelerating in a subtle, unexpected way when only gravity from our solar system is taken into account.

-It must be elongated -- While it is impossible to take a close-up photo of 'Oumuamua, its dramatic variations in brightness over time suggest it is highly elongated. By calculating what kind of object could dim and brighten in this way, scientists realized the object must be up to 10 times as long as it is wide. Currently, 'Oumuamua is estimated to be about half a mile (800 meters) long. Astronomers had never seen a natural object with such extreme proportions in the solar system before.

-It tumbles through space -- The unusual brightness variations also suggest the object does not rotate around just one axis. Instead, it is tumbling -- not just end over end, but about a second axis at a different period, too. A small object's rotation state can easily change, especially if it is outgassing, so this tumbling behavior could have started recently. The object appears to make a complete rotation every 7.3 hours.

NEWS | NOVEMBER 14, 2018
NASA Learns More About Interstellar Visitor 'Oumuamua
Artist's concept of interstellar asteroid 1I/2017 U1
An artist's concept of interstellar asteroid 1I/2017 U1 ('Oumuamua) as it passed through the solar system after its discovery in October 2017. Observations of 'Oumuamua indicate that it must be very elongated because of its dramatic variations in brightness as it tumbled through space. Image credit: European Southern Observatory / M. Kornmesser
› Larger view
In November 2017, scientists pointed NASA's Spitzer Space Telescope toward the object known as 'Oumuamua - the first known interstellar object to visit our solar system. The infrared Spitzer was one of many telescopes pointed at 'Oumuamua in the weeks after its discovery that October.

'Oumuamua was too faint for Spitzer to detect when it looked more than two months after the object's closest aproach to Earth in early September. However, the "non-detection" puts a new limit on how large the strange object can be. The results are reported in a new study published today in the Astronomical Journal and coauthored by scientists at NASA's Jet Propulsion Laboratory in Pasadena, California.

Oumuamua Scientists have concluded that vents on the surface of 'Oumuamua must have emitted jets of gases, giving the object a slight boost in speed, which researchers detected by measuring the position of the object as it passed by Earth in 2017. Credit: NASA/JPL-Caltech
Larger view

The new size limit is consistent with the findings of a research paper published earlier this year, which suggested that outgassing was responsible for the slight changes in 'Oumuamua's speed and direction as it was tracked last year: The authors of that paper conclude the expelled gas acted like a small thruster gently pushing the object. That determination was dependent on 'Oumuamua being relatively smaller than typical solar system comets. (The conclusion that 'Oumuamua experienced outgassing suggested that it was composed of frozen gases, similar to a comet.)

"'Oumuamua has been full of surprises from day one, so we were eager to see what Spitzer might show," said David Trilling, lead author on the new study and a professor of astronomy at Northern Arizona University. "The fact that 'Oumuamua was too small for Spitzer to detect is actually a very valuable result."

'Oumuamua was first detected by the University of Hawaii's Pan-STARRS 1 telescope on Haleakala, Hawaii (the object's name is a Hawaiian word meaning "visitor from afar arriving first"), in October 2017 while the telescope was surveying for near-Earth asteroids.

Subsequent detailed observations conducted by multiple ground-based telescopes and NASA's Hubble Space Telescope detected the sunlight reflected off 'Oumuamua's surface. Large variations in the object's brightness suggested that 'Oumuamua is highly elongated and probably less than half a mile (2,600 feet, or 800 meters) in its longest dimension.

But Spitzer tracks asteroids and comets using the infrared energy, or heat, that they radiate, which can provide more specific information about an object's size than optical observations of reflected sunlight alone would.

The fact that 'Oumuamua was too faint for Spitzer to detect sets a limit on the object's total surface area. However, since the non-detection can't be used to infer shape, the size limits are presented as what 'Oumuamua's diameter would be if it were spherical. Using three separate models that make slightly different assumptions about the object's composition, Spitzer's non-detection limited 'Oumuamua's "spherical diameter" to 1,440 feet (440 meters), 460 feet (140 meters) or perhaps as little as 320 feet (100 meters). The wide range of results stems from the assumptions about 'Oumuamua's composition, which influences how visible (or faint) it would appear to Spitzer were it a particular size.

Small but Reflective

The new study also suggests that 'Oumuamua may be up to 10 times more reflective than the comets that reside in our solar system - a surprising result, according to the paper's authors. Because infrared light is largely heat radiation produced by "warm" objects, it can be used to determine the temperature of a comet or asteroid; in turn, this can be used to determine the reflectivity of the object's surface - what scientists call albedo. Just as a dark T-shirt in sunlight heats up more quickly than a light one, an object with low reflectivity retains more heat than an object with high reflectivity. So a lower temperature means a higher albedo.

A comet's albedo can change throughout its lifetime. When it passes close to the Sun, a comet's ice warms and turns directly into a gas, sweeping dust and dirt off the comet's surface and revealing more reflective ice.

'Oumuamua had been traveling through interstellar space for millions of years, far from any star that could refresh its surface. But it may have had its surface refreshed through such "outgassing" when it made an extremely close approach to our Sun, a little more than five weeks before it was discovered. In addition to sweeping away dust and dirt, some of the released gas may have covered the surface of 'Oumuamua with a reflective coat of ice and snow - a phenomenon that's also been observed in comets in our solar system.

'Oumuamua is on its way out of our solar system - almost as far from the Sun as Saturn's orbit - and is well beyond the reach of any existing telescopes.

"Usually, if we get a measurement from a comet that's kind of weird, we go back and measure it again until we understand what we're seeing," said Davide Farnocchia, of the Center for Near Earth Object Studies (CNEOS) at JPL and a coauthor on both papers. "But this one is gone forever; we probably know as much about it as we're ever going to know."

JPL manages the Spitzer Space Telescope mission for NASA's Science Mission Directorate in Washington. Science operations are conducted at the Spitzer Science Center at Caltech in Pasadena, California. Spacecraft operations are based at Lockheed Martin Space Systems Company in Littleton, Colorado. Data are archived at the Infrared Science Archive housed at IPAC at Caltech. Caltech manages JPL for NASA.

For more information about Spitzer, visit:

https://spitzer.caltech.edu

https://www.nasa.gov/spitzer