Where does this come from, and can I check it?

Launched in 1977, it is now over 24 billion kilometres from Earth. The figure is taken from NASA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a records & extremes fact?

Yes. It sits on the Records & Extremes shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Voyager 1 is the farthest human made object

Launched in 1977, it is now over 24 billion kilometres from Earth Voyager 1 left Earth in September 1977 and crossed into interstellar space in 2012, becoming the first spacecraft to do so. It is now more than 24 billion kilometres away, so far that its radio signals take over 22 hours to reach Earth. Distance is measured by timing the round trip of signals sent from NASA's Deep Space Network. It sits in Mondo's records & extremes collection, one of 200 facts that each trace back to the reference below.

Where this comes from

NASA

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Tags: spacecraft, interstellar, distance

Voyager 1 is the farthest human made object: the short answers

Where does this come from, and can I check it?: Launched in 1977, it is now over 24 billion kilometres from Earth. The figure is taken from NASA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a records & extremes fact?: Yes. It sits on the Records & Extremes shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.