以恒星时为计时单位的钟
它们每次经过恒星面前的时间，分别大约是19.24天和38.91天，但这个时间间隔有一定的变动范围，里层行星在4分钟范围内，外层行星在39分钟范围内。
They cross in front of their star about once every 19.24 and 38.91 days, but those times can vary by up to 4 minutes for the inner planet and 39 minutes for the outer one.
这种强辐射是爆发持续了一分钟之久的伽马射线的一部分，这标志着一颗超大质量恒星的死亡同时将自己转变成一个黑洞。
The intense radiation was part of a gamma-ray burst that lasted a minute and which marked the death of a massive star transmogrifying itself into a black hole.
像所有的恒星一样，猎户座每天比前一天早大概4分钟升起或者说每个月比前一个月早2个小时左右。
Like all the stars, Orion's stars rise some 4 minutes earlier with each passing day, or about 2 hours earlier with each passing month.
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