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.
Historical Examples. 1  That polite trifler is fond of a word which he coined himselfâ'serendipity.'. 2  They think of serendipity as earned, of work as bestowed, of success as deserved and reserved to the deserving. 3  It is more than this: it is a matter of observation to any one with a moderate degree of serendipity..