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.
While incipient TB is early TB with containment of disease, subclinical TB is largely associated with loss of effective containment. Therefore, incipient TB can remain stable for years. In contrast, despite limited prospective data, subclinical TB appears to be rapidly progressive if left untreated.hile M. tuberculosis is a single organism, the spectrum of TB is manifold. The definitions of terms proposed here for early disease states in asymptomatic individuals are based on their occurrence at the opposite ends of the host immune response.