Empirical Earth · We Went to the Moon — the Landings Were Real

Artemis I: coming home is the hard part — and it worked

The claim

“Orion can’t survive reentry — shield, chutes, G-forces.”

What is true

The Orion heat shield did lose material in a way engineers did not expect, and NASA said so publicly.

What is measured

Artemis I flew the full reentry uncrewed: ~25,000 mph, shield to ~2,760 °C, drag braking to 325 mph, then 11 parachutes to ~20 mph. The real char-loss issue was investigated openly and fixed with a steeper Artemis II entry, which flew crewed and splashed down safely in 2026.

What would show this is wrong

a physical reason a lifting reentry plus an 11-parachute system cannot brake a capsule to a safe splashdown, given that Artemis I and II both did just that.

Sources

Artemis I heat shield & the Artemis II crewed return. Artemis I (2022) was an uncrewed test (Moonikin + two mannequins); Orion reentered at ~25,000 mph (Mach 32, ~2,760 °C); NASA traced the link
Orion parachute system. Eleven parachutes (3 forward-bay-cover, 2 drogues, 3 pilots, 3 mains of 116 ft) deploy in sequence to slow Orion from ~325 mph to ~20 mph for splashdown over ~10 minu link
Lifting/skip reentry & g-loads. By using aerodynamic lift (and on Artemis I, a skip) to spread deceleration over minutes, Orion keeps the peak g-load to manageable, single-digit levels; Apol link
Artemis II: a crewed lunar return, April 2026. Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen flew Orion around the Moon and back, reaching 252,756 miles from Earth — past Apo link
Artemis II: the first crewed lunar flight since 1972. In April 2026 four astronauts flew around the far side of the Moon and returned, splashing down in the Pacific, the first crewed mission link

The full entry, with the working →

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