Dirghatamas

http://en.wikipedia.org/wiki/Dirghatamas
https://www.youtube.com/results?search_query=Dirghatamas

Because of approaching brother's womb girl - Brihaspati wife Tarma  as a result of this karma Phala got impregnated by Moon and Beget Mars

https://freeglobaluniversity.blogspot.com/search/label/Moon

https://freeglobaluniversity.blogspot.com/search/label/MarsMercury