Hydranencephaly or hydrancephaly [1] is a condition in which the brain's cerebral hemispheres are absent to varying degrees and the remaining cranial cavity is filled with cerebrospinal fluid.[2]
JPL built and operates the twin Voyager spacecraft. The Voyagers Interstellar Mission is a part of NASA's Heliophysics System Observatory, sponsored by the Heliophysics Division of NASA's Science Mission Directorate in Washington.
sept 12 2013 nasa s voyager 1 spacecraft officially is the first human made object to venture into interstellar space the 36 year old probe is about 12 billion miles 19 billion kilometers from our sunept 12 2013 nasa s voyager 1 spacecraft officially is the first human made object to venture into interstellar space the 36 year old probe is about 12 billion miles 19 billion kilometers from our sun