关于metallicity的百科

• metallicity造句怎么写

• Differenttheoriespredicthowthismetallicitygradientchangesoverbillionsofyears.Becauseweseethegalaxywhenitwasyoung,thisresultsuggestsspiraldiscsstartoffwithsteepmetallicitygradients.Themetallicityofastarmeasurestheamountof"metals"ithas—thatis,anyele...
• 2018-09-3023613