| It's OK http://www.videogameconsolelibrary.com/blog/?p=civil-engineering-assignment-help buy pre written essays online The star then starts to cool and expand, its radius expanding by tens to hundreds of times its original size. Eventually, the outer layers of the star are completely removed by 50,000 kilometer-per-hour winds, leaving behind nothing but a hot core that has a surface temperature of approximately 50,000 degrees Celsius.
|