In the milliseconds following this explosion, clouds of gases began to coalesce, collapse, and compress under gravity to form the building blocks of galaxies.

在大爆炸后的数毫秒之内，成团的气体开始结合、分解并受万有引力的压缩而形成星系的基础构件。

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That birth date is in April 1979, when the supernova explosion that signaled the collapse of the star was spotted flaring brightly in the M-100 galaxy by a school teacher using a telescope.

该出生日期是1979年4月，当时一位学校老师用望远镜发现了发出恒星塌陷信号的超新星爆炸，因为在M - 100星系那里有明亮的光亮。

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The white source near the center of the image is a dense, rapidly rotating neutron star, or pulsar, all that remains of a core-collapse supernova explosion.

图片靠近中心部分的白色光源为一种密度大，急速旋转的中子星，或是脉冲星--都是核心坍缩的超新星爆炸的残留物。

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The 2010 mine explosion and collapse at the Upper Big Branch Mine in West Virginia that killed 29 miners played a role in the slowdown.

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Eleven people were killed, including nine Transocean employees, in the April 20 explosion and collapse of the rig, which gushed crude oil into the Gulf of Mexico for 86 days.

FORBES: Transocean Admits Criminal Conduct, Pays $1.4 Billion

Theorists believe the rapid collapse generates heat that ignites the explosion.

CNN: Why gamma-ray burst shocked scientists