There are many more things we can learn using the Doppler Shift, and here is a summary of just a few: 1  We can measure the masses of binary stars, by detecting the velocity changes as they orbit around their common center of gravity, and combining these velocities with the period of the orbit.
Serendipity is when someone accidently finds something good. An example of serendipity is finding a twenty dollar bill in the pocket of a coat you haven't worn in awhile. YourDictionary definition and usage example.
Examples of serendipity in a sentence. 1  As they leapfrog from South Africa to Singapore in search of local delicacies, the authors prove again and again that serendipity is the traveler's strongest ally: many of their most memorable meals issue from the hands of generous strangers â¦ âSarah Karnasiewicz, Saveur, June/July 2008.