How did big rock get its name?

Is Jupiter's moon Ganymede a gas or solid planet? WHAt is the distance bitween 91 dgree longitude east and 92 longitude east? Is H2O an angular molecule? What happens to seismic waves when they pass through the solid inner core? How old was Stephen Hawking when he died? What compound is responsible for special functions of cell membranes? How do you get into newgrounds with a light speed blocker? How many cubic meters makes a liter? Why do some places have more natural disasters than others? Summarizing is taking larger selections of text and? What equations represents the law of universal gravitation? What time is 1130PM edt in texas? Is the tallest tsunami in the world shorter than the Burj in Dubai? How big is 27.4 millimeters? What is the reaction of spring? Is the CalSTRS retirement fund solvent? In which type of country is one most likely to find a traditional econom? What is the percentage of hydrogen in a deuterium oxide? A baby with xy chromosome pattern sex system is? How do you hook up a 3 way switch if you have three wires showing and two wires are black and one is white in a 40 year old house?

How did big rock get its name?