Voyager spacecraft head for interstellar space

The last time we checked on the Voyager 1 & 2 they were hurtling towards the edge of the solar system at over 37,000 mph (60,000 km/h). The car-sized spacecraft are now and incredible 11 billion miles (17 billion km) and 8 billion miles (14 billion km) from Earth respectively – they are the longest continuously operated spacecraft in deep space and having traveled further than any man-made object, they will soon become the first to enter the realm of interstellar space. NASA recently held a briefing on the achievements of the program which gives us the opportunity to ponder where the Voyagers are, where they are going and the amazing scientific discoveries realized so far in their 33 year journey.

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