When our star drops out of its latest sunspot activity cycle, the sun is most likely going into hibernation, scientists announced today.
科学家今天宣布，当我们的恒星脱离最近的太阳黑子活动周期时，太阳最有可能进入冬眠。
The cycle can repeat itself in pulses—astronomers call this case a “pulsational” pair-instability supernova—until the star loses enough mass to end its life in an ordinary supernova.
这个过程可能周而复始，周期性地重复--天文学家称之为"脉动"对不稳定性超新星--直至恒星失去足够的物质，在普通超新星的形态中走到生命的尽头。
When our star drops out of its latest sunspotactivity cycle, the sun is most likely going into hibernation, scientistsannounced today.
我们的恒星走完其最近一次太阳黑子活跃周期后，将极有可能进入冬眠，科学家今天宣布。
But dimming can also be caused by an eclipsing binary, a pair of stars in an orbit that appears edge on as seen from Earth so that each star passes in front of the other once per cycle.
但但亮度变暗也可能是由食双星引起的，其从地球上看，两个星球出现在同一个轨道的边缘，因此每一次循环，每一个星球都会经过另一个的前方。
This star is known to vary in brightness over a regular time interval. The cycle lasts exactly 2 days, 20 hours and 49 minutes.
这颗星星因为亮度变化比一般星星的变化间隔时间要长。周期持续整整2天零20个小时零49分钟。
At the dimmest part of a Cepheid's cycle, the ionized gas in the outer layers of the star is opaque, and so is heated by the star's radiation, and due to the increased temperature, begins to expand.
在造父变星的一个光变周期内，恒星外层的电离气体是相对不透明的，因此会吸收恒星的辐射而升温，并开始向外膨胀。
The adjacent vertex distinguishing total chromatic number is obtained for the middle graphs of path, cycle, star and fan graph.
本文考虑了图的中间图的邻点可区别全色数，并确定了路、圈、星图和扇图的中间图的邻点可区别全色数。
When a star begins to exoste supply of hydrogen, it's life cycle is coming to the end.
当星体依靠氢存活时，它的生命周期就走到了尽头。
The sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.
太阳是不被认为是变星，但它的变化进行定期的活动被称为太阳黑子周期。
Through a big eccentricity will result in a long cycle of this star system movement, the cycle is a finite value.
即使绕转偏心率越大，周期越长，也总会有个周期吧。
Through a big eccentricity will result in a long cycle of this star system movement, the cycle is a finite value.
即使绕转偏心率越大，周期越长，也总会有个周期吧。
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