Why does the earth orbit the sun instead of the moon? *

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

Which inventor was often called the lady edison

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?