Planck satellite Hard Science 1 Number Will Soon Reveal If the Speed of Light Used to Be Faster Scientists produce a value for the cosmic microwave background that will definitely prove or disprove that the speed of light used to be higher.
Hard Science 1 Number Will Soon Reveal If the Speed of Light Used to Be Faster Scientists produce a value for the cosmic microwave background that will definitely prove or disprove that the speed of light used to be higher.
