NASA: 'All systems go'Prev TopicNext Topic

• eddessaknight

  

  LAS VEGAS
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  November 22, 2006
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  Aug 29, 2022, 8:37 pm

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  Unmaned ARTEMIS mission is to explore MOON's South Pole

  What does the Artemis symbol mean?

  Artemis, named after the twin sister of Apollo, is known in Greek mythology as the Goddess of the Moon and the hunt. NASA 

  CAPE CANAVERAL, Fla. - History will have to wait a few more days. NASA’s Artemis I launch, scheduled for Monday morning, will be postponed until at least the end of the week thanks to a series of delays and technical problems during its first launch attempt.

  Fueling had already been delayed an hour by nearby lightning when the first major issue popped up. About five hours before launch, engineers were filling the rocket’s tanks with supercold liquid oxygen and hydrogen – fuel for the four main engines at the bottom of the core stage – when a hydrogen leak appeared. Fueling stopped as the teams tried stopping and restarting the fuel flow, and they ultimately kept the leak at a manageable level by chilling the fuel lines.

  A few hours later, a separate hydrogen issue began to puzzle engineers. A "bleed" of that cold hydrogen, meant to chill the main engines in preparation for flight, reached only three of the four engines.

  

  The SLS rocket's main engines, seen via NASA TV during hydrogen bleed troubleshooting.

  As that was being worked, another team spotted unexpected frost in the intertank area of the fuel tank, which is the enclosed space between the hydrogen and oxygen tanks. After initial fears that it may have indicated a crack in the structure, experts later determined it was a harmless seam in the insulation. 

  But the engine-cooling failure refused to respond to troubleshooting during a lengthy unplanned hold, forcing NASA to call off Monday's attempt just as the scheduled 8:33 a.m. launch time arrived.

   

  
• Keemdreambean

  

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  February 9, 2022
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  Aug 31, 2022, 9:56 am

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  In response to eddessaknight

  Quote: Originally posted by eddessaknight on Aug 29, 2022

  Unmaned ARTEMIS mission is to explore MOON's South Pole

  What does the Artemis symbol mean?

  Artemis, named after the twin sister of Apollo, is known in Greek mythology as the Goddess of the Moon and the hunt. NASA 

  CAPE CANAVERAL, Fla. - History will have to wait a few more days. NASA’s Artemis I launch, scheduled for Monday morning, will be postponed until at least the end of the week thanks to a series of delays and technical problems during its first launch attempt.

  Fueling had already been delayed an hour by nearby lightning when the first major issue popped up. About five hours before launch, engineers were filling the rocket’s tanks with supercold liquid oxygen and hydrogen – fuel for the four main engines at the bottom of the core stage – when a hydrogen leak appeared. Fueling stopped as the teams tried stopping and restarting the fuel flow, and they ultimately kept the leak at a manageable level by chilling the fuel lines.

  A few hours later, a separate hydrogen issue began to puzzle engineers. A "bleed" of that cold hydrogen, meant to chill the main engines in preparation for flight, reached only three of the four engines.

  

  The SLS rocket's main engines, seen via NASA TV during hydrogen bleed troubleshooting.

  As that was being worked, another team spotted unexpected frost in the intertank area of the fuel tank, which is the enclosed space between the hydrogen and oxygen tanks. After initial fears that it may have indicated a crack in the structure, experts later determined it was a harmless seam in the insulation. 

  But the engine-cooling failure refused to respond to troubleshooting during a lengthy unplanned hold, forcing NASA to call off Monday's attempt just as the scheduled 8:33 a.m. launch time arrived.

   

  

  Seems like all these new up in coming space programs has it more figured than nasa I heard the space suits are leaking as well on an article

  As the great Bob Ross would say there are no mistakes , just happy little accident's 

   

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