Очень улыбнуло сочетание "периодически" и "нерегулярно".

ЕГЭ - оно такое ЕГЭ...

PS
Английский текст совсем другой, и ГОРАЗДО БОЛЕЕ ИНФОРМАТИВНЫЙ (а не эти пустые сопли, в которые скатился ВЗГЛЯД)

Luminosity data about the star from the Kepler space telescope shows small non-periodic dips in brightness of inconsistent intensity occurring frequently, along with two massive recorded dips in brightness appearing to occur roughly every ~750 days. The sheer intensity and variance of the observed dips in star brightness has puzzled scientists.[11] The star's changes in brightness is consistent with many small masses together orbiting the star in "tight formation".[7]

The first major dip obscured the star's brightness by up to 15%, and the other by up to 22%. In comparison, a planet the size of Jupiter would only obscure a star of this size by 1%, indicating that whatever is blocking light during the star's major dips is not a planet, but rather something covering up to half the width of the star.[11] Due to the failure of two of Kepler‍‍ '​‍s reaction wheels, the star's predicted 750-day dip around April 2015 was not recorded.[1][10]

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Хотелось бы читать новости, а не эти бесконечные копи-пасты НИ О ЧЁМ.