BOSTON â President Obama signed an executive order on Monday requiring federal contractors to provide up to seven days of paid sick leave a year, even as he accused Republican congressional leaders of endangering the economy and Republican presidential candidates of undercutting American workers.OSTON â President Obama signed an executive order on Monday requiring federal contractors to provide up to seven days of paid sick leave a year, even as he accused Republican congressional leaders of endangering the economy and Republican presidential candidates of undercutting American workers.
A dwarf star is a star of relatively small size and low luminosity. 1  Most main sequence stars are dwarf stars. The term was originally coined in 1906 when the Danish astronomer Ejnar Hertzsprung noticed that the reddest starsâclassified as K and M in the Harvard scheme could be divided into two distinct groups.
Well, not exactly. There are many different types of stars, from the tiny brown dwarfs to the red and blue supergiants. There are even more bizarre kinds of stars, like neutron stars and Wolf-Rayet stars. Letâs take a look at all the different types of stars there are.Red giant Betelgeuse.ed Dwarf Star. Red dwarf stars are the most common kind of stars in the Universe. These are main sequence stars but they have such low mass that theyâre much cooler than stars like our Sun. They have another advantage.