How big is Nepturnes Atmosphere?

Is a twister real? What space probes have visited mars? Why do windows fog up inside window panes? How does a planet's mass affect its orbit around the Sun? What are the birth month constellations and how do they influence our personalities and life paths? What is datasonde? What does a satellite use for fuel? Why do only some stars have 7 points and the other star have 5 points? What would happen if Betelgeuse exploded? What keeps the Moon in rotation? How often does a blue moon occur? Who was the fifth person to go into space? What did Dr Thomas P.Lecky contributed to science? Is the place where the troposhere stops getting colder called the ionosphere? What is hotter than the sun gamma ray or plasma? How did the first men at the South Pole know they were at the South Pole? How does the alignment of the sun moon and earth affect tidal range? On what planet does the Sun exert the most gravitational force? How was the diamond willow stick discovered? When was the first space tourist?