NASA simulations show how airflow, exhaust, and water systems interact during Artemis II launch, helping engineers refine launch pad design and manage pressure and sound effects.

Astronauts aboard NASA’s Artemis II rocket sparked alarm Wednesday evening after suddenly losing contact with mission control as their spacecraft heads towards the moon.

The Artemis II mission is expected to launch on Wednesday afternoon, beginning a 10-day voyage around the moon for the mission’s four-person crew.