Aintelqa.134 net.space utzoo!decvax!ucbvax!C70:sri-unix!hplabs!intelqa!murray Mon Mar 8 12:33:32 1982 gravitaion effect on C Several years ago, scientists observed the effect the sun's gravity had on a radio beam from a distant sattelite (Pioneer I believe). They found that the radio beams velocity changed as the radio beam came near the sun. However, as I remember, the light went slower in the increased gravity field, not faster. Oh well, there goes the black hole space ships. murray at intelqa