What does a blue cloud mean?

Was it real or fake going to the moon? Who was the first person to set foot on the mood? What happened to water vapor before it turned to water? Weather conditions on the great plains? What astronimer wrote 3 laws to describe planitary motion? On what date does sun appear to be at its highest altitude at noon? Where are the astronauts of Apollo 13? What is the Internatinal Space Station? What do we get from the sun? Are constellations real? What are 3 things that make a good observation? What is the Greek Goddess Hestia goddess of? Who invented light microscope? What is the line called that separates the sky from the ground in artwork? What's the bright star in the east that is often associated with the birth of Jesus in the Christian tradition? What is van-data? What is the difference between a space shuttle and a satellite? What is the difference between a space station and the space shuttle? What is the name of the rocky plain on the Moon's surface where the Apollo 11 touched down? How much would you have to zoom in on a map of the US to replicate the power of an electron microscope?