You are in a place that is extremely hot and dense, making you feel sweaty and claustrophobic. Around you, nuclear fusion is converting carbon into…
- You are in a place that is extremely hot and dense, making you feel sweaty and claustrophobic. Around you, nuclear fusion is converting carbon into oxygen and other elements. Where are you and how do you know?
- Could our Sun ever undergo a nova or a white-dwarf supernova event? Why or why not?
- The spectrum of a distant galaxy is observed to include a spectral line at 524 nanometers. The rest value for this spectral line is 393 nanometers.
