The distance that ejecta travels away from a volcano depends on the height of the eruption column, temperature of the air, wind direction and wind speed. An erupting column that reaches into the stratosphere will be sheared by strong winds in this region and cause the eruption cloud to spread out over a larger area.
Solar eclipse of August 21, 2017. A total solar eclipse will take place on Monday, August 21, 2017. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth.
Scientists say the another deep partial eclipse visible in the UK will not occur until August 12, 2026. The next total eclipse will not take place until September 2090. Here are some more notable dates: August 11 2018: A very small partial eclipse on the northern coast of Scotland, Orkney and Shetland.