Artemis 1 and the First Launch of NASA’s Megarocket: What to Know

NASA’s most powerful rocket is nearly ready to send an uncrewed Orion capsule on a 42-day journey to the Moon and back, but this deceptively straightforward plan involves a ton of moving parts—including a harrowing 5,000-degree reentry through Earth’s atmosphere. Here’s what you can expect from this historic mission,…