(CNN) -

Malaysia Airline Flight 370, a Boeing 777 on the way from Kuala Lumpur to Beijing, simply vanished from the sky on March 8. In the two weeks since, the mystery of what happened to its 227 passengers and 12 crew members has set off a frenzy of speculation and conspiracy theory hatching.

It was a rogue pilot. Or was it a hero pilot? Terrorists took over the plane. Or were they air pirates? Space aliens? Maybe the crew flew the plane into Pakistan. Or a black hole? Somebody shot it down. Aha! We can't see the plane because it's invisible! No, it's a sign from God that the Rapture is coming! The Illuminati are behind this! And last but not, least here's that old Internet standby so popular among conservative conspiracy theorists: It's Obama's fault.

Pop-culture aficionados have weighed in, too, with comparisons to the television series "Lost" and "Fantasy Island." Singer Courtney Love went to her Facebook fan page and posted a helpful map drawn on a satellite photo; she said it showed the wreckage in the waters near the island of Palau Perak.

And YouTube commenters suggested that Pitbull and Shakira might have foreseen the trouble, pointing to their 2012 song "Get it Started." They ponder this lyric: "Now it's off to Malaysia," Pitbull sings, "Two passports, three cities, two countries, one day."

Hmmmm.

Outlandish as some of these theories sound, they are so much more comforting than the truth. The truth is unfathomable. The truth is, we just don't know. We can't know yet and we might never know. Highly trained professionals can't figure it out, even with all their satellites and radar and pingy things. Think people don't just disappear from the sky? Tell that to folks who have spent a lifetime trying to figure out what happened to Amelia Earhart or D.B. Cooper.

The search for missing Malaysia Airlines Flight 370 "is going to be a long haul," Malaysia's acting transportation minister, Hishammuddin Hussein, said on Friday. "The focus is to reduce the area of search." Right now, it follows two possible flight paths: One arcs over parts of Cambodia, Laos, China and Kazakhstan, and the other over the Indian Ocean. No signs of the plane or a crash site have been spotted on land. And one official compared searching the ocean for the plane to "looking for a needle in a stack of needles."

Searchers and investigators from two dozen countries have pitched in but are left scratching their heads. They're checking data from satellites, running passenger background checks, dispatching ships and flying planes low over thousands of square miles of ocean, looking for a speck of something, anything, among all that rolling blue and gray. The aerial searchers are doing it the old-fashioned way, by peering out the window.

The most promising development has focused on a possible debris sighting in a remote spot in the Indian Ocean more than 1,400 miles southwest of Perth, Australia. That's roughly 6,000 miles from where Flight 370 should have landed. It takes so long to get there and back, the aerial crews can only search the vast open ocean for a two hours at a stretch. China and Japan are dispatching ships, but it will take them several days to get there. A Norwegian commercial ship that was already in the area is looking for signs of survivors. Other merchant ships are on their way, and these are practically uncharted waters.

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Flight 370: Facts few, imaginations run wild