送交者: HHS 于 2010-04-27, 13:01:54:

回答: BANG后瞬间的物质和能量之间的转化是来来回回的；现在的物质 由 chouqilozi 于 2010-04-27, 12:50:39:

• particles with zero mass (无内容) - oo8 (0 bytes) 2010-04-27, 13:57:47 (435660)
  • zero rest mass (无内容) - cktears (0 bytes) 2010-04-27, 16:39:57 (435730)
    • there's only one concept of mass. (无内容) - oo8 (0 bytes) 2010-04-27, 16:49:38 (435736)
      • photons have mass which equals to hv/c^2, only rest mass is zero (无内容) - cktears (0 bytes) 2010-04-27, 18:35:57 (435745)
        • Your so called mass is another term of "energy", not the real mass (无内容) - oo8 (0 bytes) 2010-04-27, 19:02:30 (435748)
• 电磁波？ (无内容) - DW (0 bytes) 2010-04-27, 13:10:02 (435640)

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