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CAPE CANAVERAL, Florida – NASA delayed the debut of its towering moon rocket Monday after issues emerged during countdown, postponing the launch from the Kennedy Space Center.

The agency was slated to launch its Artemis I mission during a two-hour-long launch window that opened at 8:33 a.m. ET, sending the Space Launch System (SLS) rocket and Orion capsule on a more than month-long journey around the moon.

But NASA was unable to resolve a temperature problem identified with one of the four liquid-fueled engines, discovered with under two hours to go in the countdown.

In a blog post, NASA said that its “engineers are looking at options to gather as much data as possible.”

“The Artemis I rocket and spacecraft are in a stable, safe condition,” NASA said.

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In this handout provided by the National Aeronautics and Space Administration, the Space Launch Systemrocket with the Orion spacecraft aboard atop a mobile launcher as it rolls out of High Bay 3 of the Vehicle Assembly Building for the first time on its way to to Launch Complex 39B March 17, 2022, at Kennedy Space Center, Florida. © Provided by CNBC

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Humans haven’t set foot on the Moon since 1972, but on Monday, Aug. 29, NASA is scheduled to start the process of getting people back there.

The Artemis 1, an unmanned rocket, is set to blast off from Kennedy Space Center on a 42-day mission to the Moon and back. This is a test mission that will put both the booster and the Orion capsule, which will eventually carry astronauts through its paces. It’s a way for NASA to learn what it does and doesn’t know.

Hoping to watch the first step in the return to the Moon or want to know more? We’ve got the details.

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Apollo 11 (July 16–24, 1969) was the American spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin landed the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC, and Armstrong became the first person to step onto the Moon’s surface six hours and 39 minutes later, on July 21 at 02:56 UTC. Aldrin joined him 19 minutes later, and they spent about two and a quarter hours together exploring the site they had named Tranquility Base upon landing. Armstrong and Aldrin collected 47.5 pounds (21.5 kg) of lunar material to bring back to Earth as pilot Michael Collins flew the Command Module Columbia in lunar orbit, and were on the Moon’s surface for 21 hours, 36 minutes before lifting off to rejoin Columbia.

Apollo 11 was launched by a Saturn V rocket from Kennedy Space Center on Merritt Island, Florida, on July 16 at 13:32 UTC, and it was the fifth crewed mission of NASA’s Apollo program. The Apollo spacecraft had three parts: a command module (CM) with a cabin for the three astronauts, the only part that returned to Earth; a service module (SM), which supported the command module with propulsion, electrical power, oxygen, and water; and a lunar module (LM) that had two stages—a descent stage for landing on the Moon and an ascent stage to place the astronauts back into lunar orbit.

After being sent to the Moon by the Saturn V’s third stage, the astronauts separated the spacecraft from it and traveled for three days until they entered lunar orbit. Armstrong and Aldrin then moved into Eagle and landed in the Sea of Tranquility on July 20. The astronauts used Eagle‘s ascent stage to lift off from the lunar surface and rejoin Collins in the command module. They jettisoned Eagle before they performed the maneuvers that propelled Columbia out of the last of its 30 lunar orbits onto a trajectory back to Earth. They returned to Earth and splashed down in the Pacific Ocean on July 24 after more than eight days in space.

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Buzz Aldrin on the Moon as photographed by Neil Armstrong (Armstrong seen in the visor reflection along with Earth, the Lunar Module Eagle, and the U.S. flag)

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Check this out you may gain some valuable insight into today’s world! Over 100 entries, choose a subject that is interesting to you. The world is changing rapidly!

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In Mashable’s new three-part episode of our series on the digital age’s dark side, Kernel Panic, we explore a startlingly advanced computer network developed in Salvador Allende’s Chile of the 1970s. Called Project Cybersyn, the network was a centerpiece of Allende’s effort to modernize the Chilean economy. It was developed in parallel with the American networks that would become the internet, at a moment in time in which President Nixon was trying to undermine the Chilean economy and overthrow Allende, the first democratically elected Marxist leader in Latin America.

Cybersyn, designed by a far-thinking British theorist named Stafford Beer and run by a cadre of young revolutionary programmers, was an astonishing success. Using little more than old telephone wires and mothballed pre-war machinery, the Chilean program managed to build out a real-time data stream very much like the social media newsfeed of today, watching and monitoring the country’s industry from a retro-futuristic control room in the capital.

For two years, the programmers used Cybersyn to battle strikes and attempted coups until finally, in September of 1973, Allende was overthrown by a military junta led by Augusto Pinochet. The dream of a stable, modernized Chile died with Allende, and so did the potential for a second internet, built in parallel and evolved under a totally different system of information sharing.

Mashable speaks to Fernando Flores who served under Allende as finance minister before spending three years in prison under Pinochet, as well as Raul Espejo, operational director of Project Cybersyn, and the family of Stafford Beer to take you inside the dream and disappointment of Project Cybersyn.

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Credit: Liverpool John Moores University Library

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