What is a diamitar?

What is the next nearest star to the planet earth? How many rings in planet Mars? Are the polar ice caps in the north pole? Is there any diffference between the bloodpressure in the major arteries of neck and the legs in the space? What happens when a star burns out? Can I look at the sun? How did they build Sputnik? What causes constellations to change position in the night? What eye color did Jacques Cartier had? Is astonish a verb or adverb? What contribution did Isacc Newton's have on astronomy? What is a repeating weather pattern? Is the Apollo 11 space ship on the moon? How long is 365.26 days? In equal times the radius to a planet sweeps out? Why was the light bulb called the light bulb? Where does Mae Jemison live now? What type of creatures were laska and beny who went in to space in 1958? What do stars smell like? How do you use intergalactic in a sentence?