爆炸发出类似伽马射线的高能射线，但伽马射线的爆发通常只持续约30秒钟。
正如弗吉尼亚大学天文学教授马克·惠特尔所述，137亿年前的宇宙大爆炸爆发出与数以亿计的恒星和星系的诞生相随的巨响。
As University of Virginia astronomy professor Mark Whittle tells it, the big bang 13.7 billion years ago spawned a big noise along with billions of stars and galaxies.
正如弗吉尼亚大学天文学教授马克·惠特尔所述，137亿年前的宇宙大爆炸爆发出与数以亿计的恒星和星系的诞生相随的巨响。
As University of Virginia astronomy professor Mark Whittle tells it, the big bang 13.7 billion years ago spawned a big noise along with billions of stars and galaxies.
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