Shapiro Delay
The Shapiro time delay effect, or gravitational time delay effect, is one of the four classic solar system tests of general relativity. Radar signals passing near a massive object take slightly longer to travel to a target and longer to return than they would if the mass of the object were not present.
Read more about Shapiro Delay: History, Calculating Time Delay, Interplanetary Probes, Shapiro Delay of Neutrinos and Gravitational Waves
Famous quotes containing the words shapiro and/or delay:
“My whole outlook on life changed with those three little words, “The rabbit died.””
—Anonymous Mother. Quoted in When Men Are Pregnant, ch. 5, Jerrold Lee Shapiro (1987)
“Once we began to see our images
Reflected in the mud and even dust,
‘Twas disillusion upon disillusion.
We were lost piecemeal to the animals,
Like people thrown out to delay the wolves.
Nothing but fallibility was left us....”
—Robert Frost (1874–1963)