| Artemis II sits on pad 39B at Florida's Kennedy Space Center yesterday. Photo: Chip Somodevilla/Getty Images Just a few hours remain in the countdown for Artemis II, NASA's mission to return astronauts to lunar orbit for the first time since the Apollo era, Alex Fitzpatrick writes. - The agency's new Moon hopes and dreams are sitting on pad 39B at Florida's Kennedy Space Center, in the form of a 322-foot-tall rocket set to launch four astronauts on a 10-day flyby of Earth's nearest celestial companion.
👨🏿🚀 The mission — a "dress rehearsal" for a lunar landing, like Apollo 8 and 10, decades ago — will set several space milestones. - NASA astronauts Victor Glover and Christina Koch will become the first person of color and woman, respectively, to travel beyond low Earth orbit.
- Canada's Jeremy Hansen will become the first non-American to voyage beyond that mark.
Artemis II commander Reid Wiseman, pilot Victor Glover, mission specialist Christina Koch and Jeremy Hansen. Photo: Joe Raedle/Getty Images ⏱️ The two-hour launch window opens at 6:24 p.m. ET. - If needed, the next window opens tomorrow at 7:22 p.m. ET.
🔧 The Artemis II "stack" — that's the Space Launch System (SLS) rocket plus the Orion spacecraft — had to be rolled back into its hangar in late February to fix technical issues. - The SLS is a NASA-led Boeing/Northrop Grumman/United Launch Alliance/Aerojet Rocketdyne endeavor. Orion is a Lockheed Martin/Airbus Defense and Space effort.
Graphic: NASA 🌖 NASA once planned a Moon landing with Artemis III, but recently rejiggered its schedule. - Artemis III will now involve testing one or both of SpaceX and Blue Origin's lunar lander vehicles in low Earth orbit. A Moon landing is targeted for Artemis IV in 2028.
🏗️ NASA eventually hopes to return to the Moon annually, if not more often, with the ambitious goal of building a lunar base. - But first: A quick visit to check out the cosmic neighborhood before getting into the real estate market.
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