NASA Livestreams the Rocket That Will Carry Four Astronauts Around the Moon (bbc.com) 62

Posted by EditorDavid on Saturday January 17, 2026 @01:34PM from the moon-missions dept. "A mega rocket set to take astronauts around the Moon for the first time in decades is being taken to its launch pad," the BBC reported this morning. NASA is livestreaming their move of the 11-million-pound "stack" — which includes the Artemis II Space Launch System (SLS) rocket and the Orion spacecraft secured to it, all standing on its Mobile Launch Platform. Travelling at less than 1 mile per hour, the move is expected to take 12 hours. The mission — which could blast off as soon as 6 February — is expected to take 10 days. It is part of a wider plan aimed at returning astronauts to the lunar surface.

As well as the rocket being ready, the Moon has to be in the right place too, so successive launch windows are selected accordingly. In practice, this means one week at the beginning of each month during which the rocket is pointed in the right direction followed by three weeks where there are no launch opportunities. The potential launch dates are:

— 6, 7, 8, 10 and 11 February
— 6, 7, 8, 9 and 11 March
— 1, 3, 4, 5 and 6 April "The crew of four will travel beyond the far side of the moon, which could set a new record for the farthest distance humans have ever traveled from Earth, currently held by Apollo 13," reports CNN: But why won't Artemis II land on the lunar surface? "The short answer is because it doesn't have the capability. This is not a lunar lander," said Patty Casas Horn, deputy lead for Mission Analysis and Integrated Assessments at NASA. "Throughout the history of NASA, everything that we do is a bit risky, and so we want to make sure that that risk makes sense, and only accept the risk that we have to accept, within reason. So we build out a capability, then we test it out, then we build out a capability, then we test it out. And we will get to landing on the moon, but Artemis II is really about the crew..."

The upcoming flight is the first time that people will be on board the Artemis spacecraft: The Orion capsule will carry the astronauts around the moon, and the SLS rocket will launch Orion into Earth orbit before the crew continues deeper into space... The mission will begin with two revolutions around Earth, before starting the translunar injection — the maneuver that will take the spacecraft out of Earth orbit and on toward the moon — about 26 hours into the flight, Horn said. "That's when we set up for the big burn — it's about six minutes in duration. And once we do this, you're on your way back to Earth. There's nothing else that you need to do. You're going to go by the moon, and the moon's gravity is going to pull you around and swing you back towards the Earth...." Avoiding entering lunar orbit keeps the mission profile simpler, allowing the crew to focus on other tasks as there is no need to pilot the spacecraft in any way. "The Artemis program's first planned lunar lander is called the Starship HLS, or Human Landing System, and is currently under development by SpaceX..."

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byls671 ( 1122017 ) I am watching it now! So captivating I think I am going to watch it for the next 12 hours!

Re: (Score:3)

byClickOnThis ( 137803 ) The hardware needs to be tested incrementally, gradually extending mission goals as you test intermediate ones. That's why Apollo 11 was preceded by four manned missions, two of which went to the moon without landing. If you go into lunar orbit, there is an added risk, especially if you don't have a lander as a backup for getting out of it. (Apollo 8 didn't have one.) I can respect NASA's decision not to go into orbit on this mission.