How could the early Sun be brighter and hotter than predicted by the standard model?

早期的太阳怎么会比标准模型预测的更亮、更热呢？

youdao

The early sun bathes the land in light.

曙光照临大地。

《新英汉大辞典》

He was always up in the morning with the sun, which rose early over the mountain-side in those summer days.

在那些夏日里，太阳早早地就从山边升起来，他也总在早上拥抱着太阳醒来。

youdao

Early pottery was heated in the sun or by a fire.

VOA: special.2009.09.09

Even early in the day,the sun was burning hot.

VOA: special.2009.02.21

The Saints made the most of their first Super Bowl appearance in the team's 43-year history, overcoming an early 10-point deficit to upset the favored Colts at Sun Life Stadium in Miami.

VOA: standard.2010.02.08

By comparison, meteors of the type that hit Russia originate at the earliest reaches of time in the disk of gas and dust that swirled around the early sun.

WSJ: Russia Meteor Was Largest in More Than a Century

Away from the rallies, I visited a temple in the suburb of Dehiwala as the early morning sun hit the majestic bo tree.

BBC: The hardline Buddhists targeting Sri Lanka's Muslims

"They said they could build a better product and do it at a fifth of the price, " says Hime, who was an early executive at Sun Microsystems and Tivoli Systems.

FORBES: Told you so