Equation 41 · Part 5 · A Horizon Is a Toll Booth, Not a Loophole
Symbol c^2
What this part means
The square of c: multiply c by itself.
Its job in the formula
is one of the signed contributions combined to compute the quantity on the left.
Full expression→Symbol c^2→Article meaning
The passage around this formula
d t , with f(r) = 1-2GM/(r) for Schwarzschild. A locally conserved (Killing) energy — the energy the same quantity would be assigned by a distant static observer — and the energy measured by the local static observer, , are related by the standard blueshift-on-the-way-down relation
Learn the underlying idea
An exponent tells how a base is used in multiplication. In x³, x is the base and 3 is the exponent: x³ = x × x × x.
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