The new horizons spacecraft sent a microwave signal as it reaches pluto. the average distance of pluto from the sun is 5.91(10)^12 metres and the average distance of earth from the sun is 1.50(10)^11 metres. if the earth is directly between the sun and pluto, how long did it take the signal to travel from pluto to the earth? give your answer in seconds, minutes, and hours.

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation