Cry of the Kalahari Cry of the Kalahari Cry of the Kalahari (1984) is an autobiographical book detailing two young American zoologists, Mark and Delia Owens, and their experience studying wildlife in the Kalahari desert in Botswana in the mid-1970s. There they lived and worked for seven years in an unexplored area named Deception Valley in the Central Kalahari Game Reserve. With no roads and no people and the nearest civilization eight hours away they had only each other and the animals they studied as company, most of which had never seen humans before. Their research focused mainly on lions, brown hyenas, jackals and
PDS 70 PDS 70 PDS 70 (V1032 Centauri) is a low-mass T Tauri star in the constellation Centaurus. Located approximately 370 light-years from Earth, it has a mass of , and is approximately 10 million years old. The star has a protoplanetary disk containing a nascent exoplanet, named PDS 70b, which has been imaged, the first confirmed image of a newborn planet. The protoplanetary disk around PDS 70 was first hypothesized in 1992 and confirmed in 2006 along with a jet-like structure. The disk has a radius of approximately . In 2012 a large gap (~) in the disk was discovered, which