A guide to Tuesday evening’s programming on KLRU-Q:
8 pm: Apollo 8 and the First Lunar Voyage recounts the flight many consider to be NASA’s most daring and important.
9 pm: Phoenix Mars Mission: Onto the Ice takes a behind-the-scenes look at the first successful landing on the Mars polar region and the ongoing search for signs of life on Earth’s neighboring planets.
10 pm: In Comet Encounter, scientists all over the world follow a once-in-a-lifetime event and shoot breath-taking images of the sun-grazer comet, spewing its essence into the void.
KLRU Q is broadcast channel 18.3. It is also available to digital cable subscribers of Grande on 284 and Time Warner on 20.