For NASA, the crucial moment in moon missions isn't the grand orbit but a harrowing 20 minutes of reentry. The Orion capsule will travel at an astounding speed, facing temperatures hot enough to melt steel.

The Artemis II mission aims to prove that a new spacecraft can safely carry astronauts back from lunar orbit. It's a critical moment for the program; any mishap could derail it for years.

History is rife with cautionary tales of reentry failures. The Soyuz 1 and Columbia disasters highlight how one small mistake during this phase can have catastrophic consequences, halting space programs in their tracks.

The Artemis II crew’s success or failure will set the stage for future missions. If they triumph, humanity's path to lunar exploration will be clearer; if not, the journey may face delays and redesigns.