How big is Voyager 1?

Voyager 1 is kind of special to me. I share my birthday with Voyager 1 launch day. Image: Voyager 1 Under Construction (Wikipedia). Now lets Get to the Answer. Main section of voyager 1 is its main antenna which is 12 foot in diameter. about the size of a large room. read more

Image: Voyager 1 Under Construction (Wikipedia) Now lets Get to the Answer. Main section of voyager 1 is its main antenna which is 12 foot in diameter. about the size of a large room. The Voyager spacecraft weight at launch was 815 kg or about 1797 pounds. It was almost the weight and size of a sub-compact car. read more

That means Voyager 1 is about 1 light-day away from planet Earth. For comparison, the nearest star Alpha Centauri lies 4.3 light-years away. A radio signal, which travels at the speed of light (186,000 miles a second, or nearly 300,000 km/s), takes 17 hours to travel from Voyager 1 to Earth. read more

In 2013 Voyager 1 was exiting the solar system at a speed of about 3.6 AU per year, while Voyager 2 is going slower, leaving the solar system at 3.3 AU per year. Each year Voyager 1 increases its lead over Voyager 2. read more