Introduction
Completion requirements
Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn
Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN
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Special relativityEinstein's theory describing relationships between space, time, and motion in inertial frames. | |
Speed of lightInvariant vacuum speed c ≈ 3.00 × 10⁸ m/s. | |