an alien design based on the virgo zodiac

"These aliens have deep purplish skin and dark, shimmering hair. They live on a planet with a mild climate and a permanent state of nighttime, which has led them to become gifted astronomers. Not only do they map stars and constellations visible from their home planet, these aliens also send search parties to other planets to investigate and map every area they can possibly explore. They are also known for their great architectural feats. Quiet and private, these aliens only communicate telepathically"