Number of DECam galaxies spinning clockwise (cw) and counterclockwise (ccw) in opposite hemispheres.*
| Hemisphere (°) . | # cw galaxies . | # ccw galaxies . | |$\frac{\mbox{cw}-\mbox{ccw}}{\mbox{cw}+\mbox{ccw}}$| . | P . |
|---|---|---|---|---|
| (0°–150°∪330°–360°) | 264707 | 262559 | 0.004 | 0.0015 |
| (150°–330°) | 139719 | 140913 | −0.004 | 0.0121 |
| Hemisphere (°) . | # cw galaxies . | # ccw galaxies . | |$\frac{\mbox{cw}-\mbox{ccw}}{\mbox{cw}+\mbox{ccw}}$| . | P . |
|---|---|---|---|---|
| (0°–150°∪330°–360°) | 264707 | 262559 | 0.004 | 0.0015 |
| (150°–330°) | 139719 | 140913 | −0.004 | 0.0121 |
The P values are the binomial distribution probabilities to have such asymmetry or stronger when the probability of a galaxy spinning in each direction is mere chance 0.5 (Shamir 2021b). The vast majority of the galaxies are from the Southern hemisphere.
Number of DECam galaxies spinning clockwise (cw) and counterclockwise (ccw) in opposite hemispheres.*
| Hemisphere (°) . | # cw galaxies . | # ccw galaxies . | |$\frac{\mbox{cw}-\mbox{ccw}}{\mbox{cw}+\mbox{ccw}}$| . | P . |
|---|---|---|---|---|
| (0°–150°∪330°–360°) | 264707 | 262559 | 0.004 | 0.0015 |
| (150°–330°) | 139719 | 140913 | −0.004 | 0.0121 |
| Hemisphere (°) . | # cw galaxies . | # ccw galaxies . | |$\frac{\mbox{cw}-\mbox{ccw}}{\mbox{cw}+\mbox{ccw}}$| . | P . |
|---|---|---|---|---|
| (0°–150°∪330°–360°) | 264707 | 262559 | 0.004 | 0.0015 |
| (150°–330°) | 139719 | 140913 | −0.004 | 0.0121 |
The P values are the binomial distribution probabilities to have such asymmetry or stronger when the probability of a galaxy spinning in each direction is mere chance 0.5 (Shamir 2021b). The vast majority of the galaxies are from the Southern hemisphere.
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