Lightís Pull and Push
Optics & Photonics Focus
Volume 15 Story 5 - 23/11/2011

Optical pulling force

Solar radiation pushes comet tails away from the Sun. This is exactly the opposite of what can be seen in this artistic, and plainly unphysical, representation of a Sun exerting a pulling force on comet tails.
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Optical pulling force. Solar radiation <i>pushes</i> comet tails away from the Sun. This is exactly the opposite of what can be seen in this artistic, and plainly unphysical, representation of a Sun exerting a <i>pulling</i> force on comet tails.