The average temperature of Essington is 52.62Â°F, which is higher than the Pennsylvania average temperature of 49.80Â°F and is lower than the national average temperature of 54.45Â°F. Topics: Heating Cost Index Cooling Cost Index Historical Temperature Historical Precipitation Historical Snow Historical Humidity Historical Wind Speed Historical Weather
The current rate of expansion of the universe is thought to be about. [math]70[/math] km/s per megaParsec. A megaparsec is a unit of distance approximately equal to three million light-years. This rate is not a speed, it is a speed per distance, so it cannot be compared to a speed (like that of light).
Changing Astronomy. 1  Hubble's discoveries have transformed the way scientists look at the universe. 2  Every 97 minutes, Hubble completes a spin around Earth, moving at the speed of about five miles per second (8 km per second) â fast enough to travel across the United States in about 10 minutes.