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.
Tenacity is a selective, systemic herbicide that features a new mode of action for pre-and post-emergence grass and broadleaf weed control in several cool-and warm-season turf speciesâlike keeping bentgrass out of your rough. Tenacity can also be applied on established or newly seeded turf.