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.
Punctuality. Meaning and definition: Punctuality means the exactness in keeping timer and appointments. It is defined as a quality by virtue of which a person is able to do the right thing at the right time and never offers an excuse for the delay in work.The need for punctuality in everyday life: Punctuality plays an important role in every walk of life.dvantages of punctuality: Punctuality is the key to success. A man who is punctual in his everyday life enjoys certain advantages which others do not get.