Backyard Universe: Lunar phase was key to moon landing
If skies are clear on the evening of June 8 or July 7, head outside and take a look at the moon.On those nights, the moon will show the same phase as it did on the evening of July 20, 1969, when Apollo 11 astronauts made the first manned lunar landing. We celebrate the 50th anniversary of that feat in a few weeks.But with all of the planning, and previous missions to accomplish the moon landing, why did NASA choose to land on the moon when it showed about a 35 percent sunlit […]
