Reported By:| Edited By: DNA Web Team |Source: DNA Web Desk |Updated: Sep 03, 2022, 09:37 PM IST

NASA has delayed its Artemis I moon mission following a second failed attempt to launch the unmanned spacecraft on Saturday. NASA is preparing to unveil its Space Launch System (SLS) rocket and Orion capsule, which together will allow for a trip that will take more than a month to complete a full orbit of the moon. 

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On Saturday morning, when NASA was loading the rocket with fuel, they discovered a leak in the engine area. NASA tried numerous times to rectify the leak before the launch window opened.  The second attempt at launching the Artemis I rocket by NASA was scheduled for September 3, 2022, at 2:17 p.m. Florida time and for India, it's 11:47 p.m. 

On Monday, with less than two hours left in the countdown, NASA called off the first launch attempt because of a temperature concern with one of the rocket's four liquid-fueled engines.

It was unclear whether NASA will be able to try again on Monday or Tuesday, when its next launch window opens.

Here are 10 latest updates regarding Artemis I second launch attempt:- The Artemis I mission to the Moon has been postponed agan. Teams attempted to fix an issue related to a leak in the hardware transferring fuel into the rocket, but were unsuccessful. Join NASA leaders later today for a news conference.  The third attempt at troubleshooting the liquid hydrogen leak did not work. As soon as the flow was resumed, the leak returned when pressure was added The flow of liquid hydrogen has been restored after experts physically opened the valve. Engineers are checking to determine whether the troubleshooting strategy was successful. Crews are ready to manually restart core stage hydrogen fueling. The core stage's liquid oxygen tank is being refilled. Meanwhile, higher stage teams will commence purging sequences for the ICPS. They'll purify the liquid oxygen and hydrogen lines with nitrogen and helium, respectively. They're doing this early to compensate for the leak and preserve the launch window. After evaluating their choices, the engineers have decided to implement the first troubleshooting method, which involves turning off the hydrogen flow, waiting 30 minutes for the connection to warm up, and then turning it back on manually. Artemis 1 is a crew-less mission, however the SLS rocket will be transporting three mannequins equipped with a wide range of sensors. The 322-foot (98-meter) rocket, the most powerful ever developed by NASA, has over 1 million gallons of fuel loaded into it for the second time this week. The hydrogen leak has "reoccurred again in a cavity between the ground and flight side plates of a quick disconnect in the engine section," according to information from NASA.  Super cold liquid hydrogen is being loaded into the Space Launch System rocket's core stage, and the liquid oxygen tank's rapid fill phase has begun. The 2.5-hour countdown has resumed. Engineers have begun the slow fill phase of filling the core stage of the Space Launch System rocket with very cold liquid oxygen.

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