
Voyager 2
Voyager 2 left the solar system on December 5th 2018, it becomes the second interstellar craft to leave on an observation and contact mission. Voyager 1 preceded it on August 25th 2012 after doing its primary mission of data collection from Jupiter and Saturn. It also collected data on the Saturn’s moon Titan. The December 5th entry in to the Interstellar medium was reported by NASA on December 10th. the two twin probes were launched 16 days apart.
Voyager 2 now is slightly more than 11 billion miles (18 billion km) from Earth. Mission operators still can communicate with Voyager 2 as it enters this new phase of its journey, but information – moving at the speed of light – takes about 16.5 hours to travel from the spacecraft to Earth. By comparison, light traveling from the sun takes about eight minutes to reach Earth. Together, the two Voyagers provide a detailed glimpse of how our heliosphere interacts with the constant interstellar wind flowing from beyond.
Source NASA
Golden records
Each Voyager space craft carries a golden record that could last billions of years and carrying photos, recordings and messages for possible contact.
On this Day: December 11,1962
Bill Wilson a principal founder of Alcoholics anonymous enters treatment for the last time.














