How old was Charles pete conrad when he landed on the moon?

How did people from the past use constellations? What is lightest mercury or aluminum? Stalactites are deposits hanging from cave roofs caused by draining ground water? Name of the Apollo 14 spacecraft? Which side do astronauts go on the moon? What was the chandrayan project about? When a light source is moving away from an observer the wavelength appears? The phenomena in the picture indicates the presence of these clouds.? Apparent movement of a star used to measure its distance from earth? What kind of promblems did Zeus face? What can be found in the night sky besides stars and the moon? What are Robert Goddard's accomplishments? Describe objects that are large enough to see with the unaided eye? Is Apollo 13 AR? What conditions are necessary for humans to survive on the moon? How much distance from earth to defy gravity? Which microscope is used to observe a specimen that emits light when illuminated with an ultra-violet light? What was the largest tornado in the month? What can be either a precursor to a star or the remains of a star? How was an Apollo landing on Earth different to a space shuttle landing?