HEAT SHIELD TESTING

Apr 10 2026SCIENCE

Testing the limits: What keeps Artemis II's astronauts safe?

When the Orion spacecraft returns to Earth during Artemis II, it will face its biggest challenge yet. Traveling at speeds faster than a bullet, the capsule will hit temperatures hot enough to melt steel. This extreme heat is what makes the heat shield so critical - it's the only thing standing betwe

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