Suppose you observed emission lines from gas 30 light-years from the center. how would you expect the doppler shifts of those lines to be different, assuming that the gas really is orbiting a supermassive black hole?

What events caused the united states to intervene in southwest asia?

What type of coastline is commonly found along the western side of the america’s

State a hypothesis with a numerical estimate of the calories contained within a peanut based on the nutritional information on the package label combined with what you have learned in this lesson about fuel efficiency and calorimeters.