What is Jetseam?

Why do you call it moon? How does a nebula form into a star? Why do Cumulonimbus clouds Bring cold fronts? What type of light do stars emit? What time did st helens erupt? What was reflected in both the Aztec and Spanish calendars? What is the diagram that classifies stars on a temperature-luminosity graph? Why is the 21st of December the shortest day? What do it mean when you see a falling star? What is the median of 18 33 6 42 and 25? What is the most rare element found in nature and what are its unique properties? What might happen to your head if you were sent to the house of the sun? What date will be afte r 694 days? How bright is 400 candlepower? Is star a compound word? What Did Sir John Herschel Invent? Was nicolaus Copernicus an apprentice? Where is Coriolis effect weakest? Who had the idea for the Apollo program? When did aristarchus of samos propose his heliocentric model why wasn't it accpted at the time?