NASA has recently announced that the Voyager 2 has entered interstellar space which has become the second human-made object to reach the space between stars. Voyager 2 was launched in 1977 which has spent 4 decades exploring the solar system.
The spacecraft left the region of the sun’s shade last month and is now out of the outer boundary of the Heliosphere, which is approx. 11 billion miles from earth, the space probe is catching up Voyager 1, which reached interstellar space in 2012.
The Voyager 2 is the only spacecraft to cross all the four giant gas planets which are Jupiter, Saturn, Uranus, and Neptune, it has also discovered 16 moons as well as other processes including the mysterious transient great dark spot on Neptune, cracks in Europa’s ice shell, and ring features at every planet.
During the departure of Voyager 2, the space probe has been translating data which suggested that it was almost near what scientists call the heliopause, a bubble created by the solar wind os charged particles following from the sun and affecting the environment within the Solar System. the heliopause is used by scientists to mark where interstellar space begins.
Voyager 2 was constructed by the Jet Propulsion Laboratory (JPL), it includes 16 hydrazine thrusters, three-axis stabilization, gyroscope and celestial referencing instruments (Sun sensor/Canopus Star Tracker) to maintain pointing of the high-gain antenna toward Earth. These instruments are part of the Attitude and Articulation Control Subsystem (ACCS) with redundant units of most instruments and 8 backup thrusters. it includes 11 scientific instruments to study celestial objects as it traveled through space.
The Voyagers are still in our solar system as scientists maintain the solar system stretches to the outer edge of the Oort cloud, a sphere of icy bodies which are a million miles away. It will continue to send home information for as long as possible it can but as said it will lose its power and fall of the radar.
Tags: Interstellar space, NASA, Voyager 2