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How long does it take an M-type star to reach the main sequence compared to a star like your sun?

The main-sequence of stellar evolution is followed by stellar ignition of a protostar (Assuming it's not a failed ignition). Stars are not classified in the Hertzprung-Russel diagram's main sequence until stellar ignition has been initiated. Additionally, the length of time it may take for a protostar to reach T Tauri and initiate stellar ignition depends on the mass of the protostar. The heavier, the quicker. The lighter, the slower. For an example, it takes about 1,000 years for a 1 solar mass protostar to initiate stellar ignition. So since stars cannot be classified in the main-sequence before they initiate stellar ignition, you can't know the difference in time. since you won't know what will be what class star. The main reason is because the mass of the protostar fluctuates as it accretes matter, becomes T Tauri type and begins stellar ignition. At stellar ignition, a T Tauri star can lose up to 50% of its original mass.


Relate the stellar temperature to the classification of a star?

Stellar classification is based on the analysis of light from stars. The temperature from the photosphere of the star effects the amount and types of ions and this is used classifying the star.


Is the sun a low mass or high mass sequence star?

The sun is a low mass sequence star. It is classified as a G-type main-sequence star, which means it is in the middle of its stellar evolution and will remain stable for billions of years.


Is a stellar explosion a good definition for a supernova?

in lamen's terms probably.A supernova Type Ia occurs between two companion stars usually a large star and small companion white dwarf. What happens is that the dwarf star accretes (takes away) stellar material from the larger star. After this happens for a long time the amount of material becomes more and more dense (the star will actually become smaller in radius) and hotter and hotter until the conditions are correct for a fusion reaction to occur. The process is much more complicated than my explanation, but basically after fusion occurs...boom.


How best to clean mirror and keep from streaking?

To clean a mirror without streaking, use a mixture of equal parts water and vinegar in a spray bottle. Apply the solution to the mirror and wipe it down with a microfiber cloth in a circular motion. Avoid using paper towels as they can leave lint behind.