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279,000 mps No. You do not want to add velocities to get the correct answer. Here's a hint: Light always travels at 186,000 miles per second. Try again. Sagan on Time Travel | Traveling Through Time Timespeak | Think Like Einstein | Resources Teacher's Guide | Transcript | Site Map Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000 |