Does Mercury shine

Why don't caves have many windows? What words are contracted in the word quasar? Who is the guard of Zeus? Why cant you see the stars in the first picture a few months later? How does a space shuttle receive electricity when in space? Why does the moon seem bigger than any other star? Night Vision goggles use waves to locate people in the dark? Why do men need to walk in a different way on the moon? What time was the first moon walk? How the ionosphere is useful to man? What is the what's the relationship between Luster and specific gravity? When the space race end? What was the stenghth of the eyjafjallajokull? What colour is the sky when viewed from Mars? Will there be a tornado tomorrow? What did Apollo 13 hope to accomplish? The polar ice caps of Mars is believed to consist mostly of? What date did Apollo 11 launch into space? What is the value of a solid bronze moon medal 1969? Why is it difficult for scientists to observe planets in space beyond the solar system?