Science
Small amount of lithium production in classical nova – EurekAlert
白色矮星（わいせい）と進化の進んだ恒星から成る連星系で、恒星のガスが白
色矮星に降り積もり、白色矮星の表面が高温・高圧になって爆発を起こす現象
が新星爆発です（図中央手前が白色矮星、奥が進化の進んだ恒星）。この爆発
の際に、ヘリウムの同位体（3He、4He）からベリリウム（7Be）が作られ、ベ
…
A new study of lithium production in a classical nova found a production rate of only a couple of percent that seen in other examples. This shows that there is a large diversity within classical novae and implies that nova explosions alone cannot explain…
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