We use the symbol L Sun to denote the Sun’s luminosity hence, that of Sirius can be written as 25 L Sun.
For example, the luminosity of Sirius is about 25 times that of the Sun. (And there are stars far more luminous than the Sun out there.) To make the comparison among stars easy, astronomers express the luminosity of other stars in terms of the Sun’s luminosity. Earlier, we saw that the Sun puts out a tremendous amount of energy every second. Perhaps the most important characteristic of a star is its luminosity-the total amount of energy at all wavelengths that it emits per second. Understand how astronomers specify brightness with magnitudes.Explain the difference between luminosity and apparent brightness.Pre recession 8.4%, January 2017 7.4% February 2020 6.By the end of this section, you will be able to: I do understand again that you really wanted the economic numbers to be with the bipartisan economic shutdown not to stop the spread of the virus but to have numbers to blame on Trump. 16 charts of total Bullshitīlack unemployment rate-Again you want to look at what the rate was when he took office and not what he was hired to do, get it back to pre recession levels and then what it was when Trump was in office at the end of 2019. These are the kind of charts that are red meat to economics, civics, and educationally challenged liberals. It is time to put these bullshit, liberal propaganda charts where they belong, in the toilet. The other charts quite frankly are irrelevant as again context doesn't matter to you so at least with the official data we all can see exactly who you are and how easily the left has indoctrinated you Pre recession 8.4%, January 2017 7.4% February 2020 6.0% so tell me again who did a better job on Black Unemployment? Obama left us with a higher U-6 than when the recession began, Trump gave us a U-6 less than the recession and at historic lowsīlack unemployment rate-Again you want to look at what the rate was when he took office and not what he was hired to do, get it back to pre recession levels and then what it was when Trump was in office at the end of 2019. Unemployment- U-3 vs U-6, please learn the difference, the U-3 includes the under employed and part time jobs for economic reasons, the U-6 is the true unemployment numbers. Trump took those 152 million and turned them into 159 million, how many is that? Where are the job gained?Įconomic growth-Obama inherited a 14.7 trillion dollar economy and left it at 18.7 trillion, 4 trillion 8 years, Trump 18.7 to 22.4 trillion or 2.7 trillion or 900 billion per year, you use percentage change whereas dollar growth is what matters Job gains-When the recession started there were 146 million Americans employed, when Obama left office there were 152 million employed, that is 6 million jobs created in 9 years, you want to give Obama credit for what the Democratic Congress gave him, 142 million and never realize that a job lost that returns isn't a job created but a returning job. Click to expand.It is time to put these bullshit, liberal propaganda charts where they belong, in the toilet.
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