Titanic's final 6.3 seconds: Documentary shares what new technology reveals
More than a century after its tragic sinking, the RMS Titanic is still revealing the details of that fateful night thanks to revolutionary underwater scanning technology, which offers unprecedented insights into the ship's final moments.
MORE: Titan implosion: Highlights from the Coast Guard's weekslong hearing
"We actually now find out from these simulations that the time it took for the Titanic to collide with the iceberg… the glancing blow… was 6.3 seconds," Simon Benson, associate lecturer in naval architecture at the University of Newcastle, told ABC's David Muir for "World News Tonight."
National Geographic's new documentary special, "Titanic: The Digital Resurrection," which premieres Friday, presents the most detailed digital reconstruction of the wreckage ever created, allowing researchers to challenge long-held theories about the disaster.
The groundbreaking project, which took nearly two years to complete, utilized cutting-edge underwater scanning technology to capture 715,000 digital images of the wreckage. These images were then transformed into a full-scale digital twin of the Titanic, accurate down to individual rivets.
Among the most significant findings, the digital model has uncovered new evidence that may finally clear the name of First Officer William Murdoch. Historical accounts have long suggested that Murdoch abandoned his post during the crisis. However, the precise positioning of a lifeboat davit in the wreckage supports Second Officer Charles Lightoller's testimony that Murdoch was actively preparing to launch a lifeboat when he was swept away by the sea.
MORE: World's largest coral discovered off the Solomon Islands
The digital mapping of the Titanic's final resting place represents a major breakthrough in marine archaeology, experts involved in the project said.
"The level of detail we've achieved allows us to examine the wreckage as if we were walking through the ship itself," they explained.
"Titanic: The Digital Resurrection" premieres Friday at 9 p.m. ET on National Geographic, with streaming available the next day on Hulu and Disney+.
Titanic's final 6.3 seconds: Documentary shares what new technology reveals originally appeared on abcnews.go.com
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Rubin Observatory's potential to help build a more extensive catalogue of interstellar visitors could help researchers answer big questions about the objects themselves and how planetary systems change over time. Photograph by Tomás Munita, National Geographic Rubin's observations could also help settle the discussion over whether 'Oumuamua was something other than a space rock, says Avi Loeb, a Harvard physicist. Loeb thinks that 'Oumuamua is a broken piece of alien structure; our own solar system, he says, is full of space trash—rocket parts, a red Tesla—which are sometimes mistaken for asteroids by amateur astronomers. He and his collaborators suggest that 3I/ATLAS is a piece of alien tech, too. Should Rubin turn up more objects that look and behave like 'Oumuamua or 3I/ATLAS, they're less likely to be the products of extraterrestrials, Loeb says. "At the very least, we will learn more about rocks that are thrown out of other stars,' he says. ' But we might also find an answer to the most romantic question in science: Are we alone?" It's a spine-tingling thought, and certainly daydream fodder, even for the astronomers doing the work. The late astronomer Vera Rubin, for whom the new telescope is named, wrote in 2006 that when she examined the nearby galaxy M31 through a telescope, "often I wondered if an astronomer in M31 was observing us. Always I wished we could exchange views." (Vera Rubin was the GOAT of dark matter.) Most of the astronomy community doesn't share Loeb and his collaborators' interpretation of 'Oumuamua, or his latest claim about 3I/ATLAS. "It's strange, but it's not so strange that we need to fall back on the aliens hypothesis," says John Forbes, an astrophysicist at the University of Canterbury in New Zealand. 'Oumuamua's unusual acceleration, which can't be explained by gravity's influence, could be explained by comet-like properties. 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A menagerie of interstellar objects could help astronomers solve a particularly puzzling aspect of planet formation, including Earth's own story. Planets form in much the same way that dust bunnies around the house do, with particles swirling and sticking together until they grow large enough to become worlds. Computer simulations have shown, however, that while it's easy for cosmic forces to make the leap from dust-sized particles to boulder-sized objects, it is actually quite difficult for those boulders to then grow into something larger. While the universe has obviously overcome this challenge—"we are living proof," Pfalzner says—astronomers haven't figured out how. Interstellar objects, she says, are just about the right size for this conundrum, ready to be glommed on and grown. If there's a lot of interstellar objects floating around in the vicinity of a new system—perhaps drawn in by the gravity of the freshly ignited star at its center—the universe has all the raw materials it needs, removing any friction in the process. The interstellar objects whizzing through our skies may someday, help shape someone else's solar system. Rubin's search for interstellar objects, whether it turns up only a few or dozens, provides a kind of knowledge that goes beyond pure empirical research. We can know, better than before, what kind of universe stretches out all around us, as if we've cracked open a giant secret and become privy to wonders we weren't meant to witness. What lies beyond Earth isn't nature in any sense that we might recognize, but it is a kind of wilderness nonetheless, shaped by many of the same forces that led to the familiar landscapes on this planet. Interstellar objects are a reminder that the cosmos is a shared place, and that we are just as much a part of it as those mysterious travelers, carving our own path through time and space.