Editing General Relativity (section)

== <span style="color: #FFFFFF;">Analyzing</span> ==
{| class="wikitable"
|+ Experimental Tests of General Relativity
! Test !! Description !! Result
|-
| Perihelion of Mercury || Precession of Mercury's orbit || Explained perfectly by GR curvature
|-
| Deflection of Starlight || Light bending during 1919 eclipse || First major confirmation of GR
|-
| Gravitational Redshift || Shift in spectral lines from stars || Confirmed in Earth labs (Pound-Rebka)
|-
| Binary Pulsar Decay || Orbital decay from gravitational radiation || Indirect proof of gravitational waves
|-
| Frame Dragging || Rotation of Earth twisting spacetime || Confirmed by Gravity Probe B
|}

'''The Tension with Quantum Mechanics''': General relativity is a "classical" field theory—it assumes a smooth, continuous fabric. At the "Planck scale," we expect spacetime to be quantized. Theories like String Theory and Loop Quantum Gravity attempt to bridge this gap, but as of now, GR and QM are mathematically incompatible in the extreme environments of singularities.
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