01Size20 kmTemp600,000 K (≈ 599,700 °C)
Neutron Star
A city-sized star with the mass of a sun.
StarStellar remnantCosmos
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NASA / JPL
Voyager 1 Sun Distance from Earth
167×
farther from Earth
Distance from Earth
25.0 billion km
Voyager 1 is roughly 167× farther from Earth than Sun.
Picture this
Voyager 1 is so far away that a radio command from Earth takes almost a full day to reach it. If our Solar System were the size of a basketball court, Voyager would be a speck of dust at the very edge.
If you scale the distance
A radio signal from Earth takes more than 22 hours to reach Voyager 1 — almost a full day at the speed of light. If you shrank that gap to the length of a football pitch (105 m), Earth's distance from the Sun at the same scale would be less than one millimetre.
By weight
Voyager 1 weighs about 720 kg — roughly the same as a grand piano. That single piano-sized object is the only piece of human work that has ever crossed into interstellar space.
Voyager 1 launched from Cape Canaveral in September 1977 on a mission to fly past Jupiter and Saturn. Forty-eight years later it's still operating — now in interstellar space, about 165 astronomical units from Earth, sending back a faint trickle of data on the particles and magnetic fields around it. Every signal takes more than 22 hours to reach Earth at the speed of light.
Did you know?
Voyager 1 isn't aimed at any particular star. In about 40,000 years it will pass within 1.6 light-years of Gliese 445 — but by then the constellations we know will have rearranged themselves.
Last updated 2026-05-17
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Distance from Earth
The farthest human-made object — and still calling home.
Distance
25.0 billion km
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A city-sized star with the mass of a sun.
Earth's only natural satellite — locked to us forever.
Our reference grain of sand.