What is acanvus?

If your clock loses time what does this indicate? Why do stars appear to move in the sky? What layer of the atmosphere do meteorites burn up? When was the Cassini-Huygen spacecraft launched? Where is Aldebaran? How do I clean the inside of my reflector? Can astronauts live in a moon base? What planet has the smallest mass? Where can you see the northen lights? Who started Matariki? Where is the shadow cast relation to the sun? Would a kid visit the moon? Was the space race beginning in 1957 a proxy war? Do meteors travel through space? What contributions has Neil Armstrong made? How long is the International Space Station supposed to last? How many stars does Hercules have? Who is moons are ganymede europa lo callisto? What does the red shift tell scientists? How do stars appear to move?