How many crow are in space station?

First artificial planet of the sun? When a moon cast a shadow on part of the earth? How does satellite technology use a transponder? What would life be like if the hubble space telescope was not invented? When was Rolex Oyster Date Precision first made? What determines the temperature of a layer of an atmosphere? What tragedy happened in space exploration in 1986? When were the planets created? What can the Doppler effect tell us about in astronomy? Why is the Andromeda galaxy visible to us? Is gravity falls coming back? Cual es el planeta mas cercano al sol? What are the colors of the sky on different planets? What is the clue for mission 1 on 39 clues? How can you tell time on a sundial when it's rainy? Do you capilalizie moon? What inspired Armstrong to become an astronaut? Why does a red super giant have the hottest core? What is the relationship between astronomy and architecture? Is the Earth the only planet in the universe that can support life?