Medical Definition of culex. 1  1 capitalized : a large cosmopolitan genus of mosquitoes that includes the common house mosquito (C. pipiens) of Europe and North America, a widespread tropical mosquito (C. 2  2: a mosquito of the genus Culex.
Solar Flares: Solar Maximum Expected To Occur In May. Solar flares have been predicted to be stronger in 2013 due to the Sun reaching the peak of its 11-year cycle. A scientific panel recently noted that the Sun is currently experiencing its âdeepest minimumâ in almost 100 years. The researchers also indicated that the next solar maximum may occur in May. If expectations are accurate, solar flares which are weak now, could intensify as we head closer toward the summer months. So far in 2013, solar activity has remained relatively low, PHYS.org News reports.
The radiant point of the Lyrids lies in the constellation Lyra. This meteor shower occurs between April 16 to April 26th of every year and can be seen from the Northern and Southern Hemisphere. The next major meteor shower of the year, the Eta Aquarids, occurs between late April and mid-May, peaking around May 5-6. It is best seen from the Southern Hemisphere, though observers in the Northern Hemisphere can also enjoy a sparser display.