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Gravity Probe B

Testing Einstein's Universe

Special & General Relativity Questions and Answers

What is curved space-time?

Physically, curvature just represents a change in the strength of a gravitational field produced by either mass of energy that is located in some particular location in space, and at some particular instant in time.


Return to the Special & General Relativity Questions and Answers page.

All answers are provided by Dr. Sten Odenwald (Raytheon STX) for the NASA Astronomy Cafe, part of the NASA Education and Public Outreach program.