query: What happens to photons under the action of gravity?
positive_passages.docid: 24863
positive_passages.text: How can gravity affect light?
negative_passages.docid: 100599
negative_passages.text: What is the trajectory of a photon moving through a vacuum?
negative_passages.docid: 157091
negative_passages.text: Photons in coulomb field
negative_passages.docid: 158809
negative_passages.text: What is the status of massless photons traveling through a medium?
negative_passages.docid: 78223
negative_passages.text: How does a photon travel through glass?
negative_passages.docid: 33096
negative_passages.text: What happens when a photon hits a mirror?
negative_passages.docid: 63544
negative_passages.text: Is there a probability that an electron in an atom change its energy level due to emitting gravitational wave?
negative_passages.docid: 56005
negative_passages.text: Speed of light travel
negative_passages.docid: 112411
negative_passages.text: What happens when a photon reaches the "edge" of the universe?
negative_passages.docid: 5891
negative_passages.text: Where does gravitational waves' energy go?
negative_passages.docid: 31825
negative_passages.text: Why are objects at rest in motion through spacetime at the speed of light?
negative_passages.docid: 19829
negative_passages.text: Is light affected by gravity? Why?
negative_passages.docid: 61017
negative_passages.text: What happens with the force of gravity when the distance between two objects is 0?
negative_passages.docid: 38909
negative_passages.text: Do photons and cosmic rays radiate energy through gravitational waves? If not, why not?
negative_passages.docid: 127371
negative_passages.text: How do gravitons impact on general relativity?
negative_passages.docid: 12847
negative_passages.text: If photons have no mass, how can they have momentum?
negative_passages.docid: 134172
negative_passages.text: Photons acting as carriers of both attractive and repulsive forces