The Pioneer 10 spacecraft has left our Solar System and is traveling at a speed of 45,000 km/h (and has been doing so for years). Explain why this object is moving so fast although it ran out of fuel long ago.

The Pioneer 10 spacecraft has left our Solar System and is traveling at a speed of 45,000 km/h (and has been doing so for years). Explain why this object is moving so fast although it ran out of fuel long ago.

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter16: The Sun: A Nuclear Powerhouse

Section: Chapter Questions

Problem 33E: In fact, the conversion of mass to energy in the Sun is not 100% efficient. As we have seen in the...

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Question

The Pioneer 10 spacecraft has left our Solar System and is traveling at a speed of 45,000 km/h (and
has been doing so for years). Explain why this object is moving so fast although it ran out of fuel long
ago.

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