What is an adservatory?

Who invented the first led flashlight in this world? Why did humans stop going to the moon? What is another word for cosmological? What technology led to space exploration? Where is the shadow cast relation to the sun? In which ocean are most of the deep-sea trenches located? What is it called when the sun is directly above the equator? Can the sun talk? What are two reasons the sun is important? What is the scanning reading? Why was it that the flag held by Neil Armstrong in travelling to the moon was moving? What is the altitude of shimla? What is mass times velocity squared? How did gravity play a role in the creation of your sun? What is the most confusing and difficult lighting exists at what time to drive? What space shuttle took off in 1990? What event caused a change in the atmosphere? How many miles is a kiloparsec? What is the relationship between geodes and dark energy in the field of astrophysics? What do scientists think about the great pyramids?