How many grandchildren does Buzz Aldrin have?

Which planets have a year shorter than the Earth's year? Where can one find pictures of radiation symbols? What does the stars danced playfully in the moonlit sky mean? Pluto is not a planet? What weather associated with stratus clouds? What is the difference between a full moon and a new moon? What color is the sky in the day? Can astronauts talk to each other on the moon? How does the space station propelled its self? How many times a year do we typically see a full moon? How many times did astronaut John Glenn travel to outer space? Can you get the behemoth blade of light and shadow even though your not a member? Why is it a bad idea to tell direction from taping a compass to the top of a flashlight? Where can you get Fresnel magnifying lens for solar power project.The dimension of the sheet should be minimum 2 ft x 4 ft.Can I get it in mumbai? Sound made by a snap of a whip? Are stars really little moons? What past nasa event makes Jim's youngest son scared about him going to the moon on Apollo 13? How much does David Attenborough weigh? What solar radiation received at earths surfAce? What is the average distance from europa to earth?