But the alarming thing is that astronomers recently have been studying stars that are similar to our Sun, and they've found that a number of them, when they're about the age of our Sun, brighten by a factor of as much as 20. Doesn't last for very long.
ولكن الشيء الخطير أن علماء الفلك وجدوا مؤخرا نجوم شبيهة بالشمس ، ووجدوا عددا منها ، عندما يقارب عمرها من عمر الشمس ، تزداد درجة سطوعها بمعدلات تقترب من الـ 20 ضعفا.