太阳质量是用于测量恒星或如星系类大型天体的质量单位。它的大小等于太阳的总质量,大约1.989×1030 千克(一般取2.0×1030 千克)。用单位符号即可表示为M⊙:太阳质量是地球质量的33万倍。
天文学家试图通过估计太阳质量能产生多少必需的光来解释这些行星上的液态水。
Astronomers tried to estimate what solar mass could produce the required luminosity to explain liquid water on these planets.
如果早期的太阳比今天的太阳质量更大,它就会比模型预测的更热、更亮。
If the young Sun was more massive than today's, it would have been hotter and brighter than the model predicts.
它们的质量从3.5倍到15倍太阳质量。
Their masses can range from 3.5 to approximately 15 times the mass of our Sun.
应用推荐