What is the energy equivalent of an object with a mass of 1.83 kg? O 1.65 x 1017 J
O 2.92x 1017 J
O 3.10 >x 1017 J
O 5.49 x 1017

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?