Voyager 1 is such an incomprehensible distance away from Earth that it's difficult to even think about
Published on Aug 29, 2025 at 7:44 AM (UTC-4)
by Daisy Edwards
Last updated on Aug 29, 2025 at 12:39 PM (UTC-4)
Edited by
Kate Bain

Voyager 1 is so far away from Earth that it’s almost incomprehensible.
As of May this year, the spacecraft is 166–168 AU (Astronomical Units), which equates to around 25 billion kilometers from Earth.
It would take two full Earth days to send and receive a command to the spacecraft at its distance, and it’s only moving further away.
Voyager 1 is predicted to reach a distance of one light-day away from Earth in late 2026, and although that doesn’t seem like that long, it’s actually a mind-blowing distance.
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Exactly how far away is Voyager 1?
Space is so big, and we will never ever be able to explore all of it, but that doesn’t stop NASA scientists from trying.
The spacecraft Voyager 1 was launched almost half a century ago, and it’s been travelling through space at a breakneck speed.
In May this year, it was revealed that now the spacecraft is 166–168 AU (Astronomical Units), which is around 25 billion kilometers from Earth, a number that feels impossible for anyone to get their head around.
One astronomical unit is the distance between the Earth and the Sun, so that means that one AU is around 149,597,870.7 kilometers.

Only one light-day away, but that’s really far
It was announced that by late next year, Voyager 1 will be one light-day away from Earth, which is actually billions of kilometers.
While at the moment, it would take two full days on Earth to send and receive a command, it will take much longer by the time it reaches one light-day away.
Voyager 1 will carry on doing what it does best: voyaging, and hopefully, we can find out far more interesting things about the vast universe that we call home.
Daisy is a technology and automotive journalist covering artificial intelligence, consumer tech, Apple news, cryptocurrency, emerging technologies, and transportation innovation. Since joining the team in 2025, she has reported on everything from AI-powered startups and major iOS updates to viral car stories and the latest developments shaping transportation and the digital economy. Drawing on her background in automotive journalism and a degree in History and Journalism from Goldsmiths, University of London, Daisy specializes in breaking down complex topics into clear, engaging reporting for a global audience. Her work spans cutting-edge technology, innovative vehicles, and the people driving change across both industries. Daisy has gained first-hand access to some of the world's most talked-about technologies and innovators, including meeting Tesla's Optimus humanoid robot during its first European appearance in London. She has also discussed the future of space exploration with an astronaut, bringing unique insights and real-world perspectives to her coverage of emerging technology.


