Imagine a photon of light traveling the different paths in the Milky Way described in the following list. Rank the paths based on how much time the photon takes to complete each journey, from longest to shortest.

A. across the diameter of the galactic halo
B. across the diameter of the galactic disk
C. from the Sun to the center of the galaxy
D. across the diameter of the central bulge
E. through the disk from top to bottom

What did photos by the hubble space telescope reveal about the great dark spot?

Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.

In russia which of these challenges affects the transportation of both petroleum products and other goods?