NEW DELHI: The latest information streaming in from Voyager 1 has left scientists puzzled and frustrated. Since 2010, NASA scientists have been predicting that Voyager 1 is at the edge of the Solar System, just on the verge of leaving it and thus becoming the first ever spacecraft to enter inter-stellar space.
But, as Ed stone project scientists had once said, "One thing Voyager has taught us is to be prepared to be surprised." And that is what has happened.
Voyager 1 has unexpectedly entered a 'dead zone'. In a paper published this week in the definitive science journal Nature, Robert Decker, a space scientist at the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland, and his colleagues say that Voyager is currently recording no sloar wind speeds. Voyager 1 is currently about 18.2 billion kilometres from the Sun.
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