Arcturus, Spica, and Denebola form the easily visible Spring Triangle. The Spring Triangle is best viewed without any equipment. A small telescope reveals the Mini Coathanger. A large telescope is ...

It seems we are seeing an irregular triangle in Wave -b- / -iii-. Right now we are seeing the Wave EF^C between 112.62-82. From here we need a move up to the 66.7% projection around 114.20-25 to form ...

Secretary of Homeland Security Kirstjen M. Nielsen met Northern Triangle security ministers Wednesday in San Salvador, El Salvador to discuss the development of a “regional compact” and action plan ...

Polygons can be regular or irregular in shape. A polygon is a closed 2D shape with at least three sides. A regular polygon is a polygon with all equal sides and angles. An irregular polygon is a ...