Artemis II marks the first moon mission since 1972

Four Artemis Two Astronauts are orbiting the moon on board NASA's Orion spacecraft to test how well systems can fare in deep space. They launched on April first and are scheduled to splashdown off the coast of San Diego. For a closer look, KCBS News Anchor Scott Cohn spoke with Lee Billings, space and physics editor at "Scientific American". Getty Images / Joe Raedle