query: Faster than light travel....?
positive_passages.docid: 974
positive_passages.text: Speed of light in a gravitational field?
negative_passages.docid: 37345
negative_passages.text: Why can't massless particle exceed speed of light?
negative_passages.docid: 27593
negative_passages.text: Why is travelling around the speed of light a problem?
negative_passages.docid: 2331
negative_passages.text: How fast does gravity propagate?
negative_passages.docid: 147202
negative_passages.text: Would approaching a distant star at near the speed of light unfold its entire history in "fast-forward"?
negative_passages.docid: 77372
negative_passages.text: "Speed" of Gravity and Speed of Light
negative_passages.docid: 114449
negative_passages.text: Gravitational slingshot of light using a black hole/massive object
negative_passages.docid: 120621
negative_passages.text: Speed of Dark experiment, does it *really* travel faster than light?
negative_passages.docid: 57773
negative_passages.text: About the speed of light and gravity
negative_passages.docid: 22402
negative_passages.text: If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?
negative_passages.docid: 123545
negative_passages.text: How Are Galaxies Receding Faster Than Light Visible To Observers?
negative_passages.docid: 15685
negative_passages.text: Does slowing light violate relativity?
negative_passages.docid: 20037
negative_passages.text: Do photons have acceleration?
negative_passages.docid: 100690
negative_passages.text: Does superluminal travel imply travelling back in time?
negative_passages.docid: 81663
negative_passages.text: Why does gravity travel at the speed of light?
negative_passages.docid: 158216
negative_passages.text: Does warp drive permit safe, near- or above- lightspeed travel through atmospheres?
negative_passages.docid: 47568
negative_passages.text: Is it experimentally proven that photons travel at speed $c$ in vacuum?