Temperature of The Sun

Scientific Fact: The Sun's surface temperature is 5778 Kelvin (K), a well-established scientific measurement.

First verse time the word sun is mentioned in the Quran is at

[Quran 2:258]
Have you not considered him who argued with Abraham about his Lord, because Allah had given him sovereignty? Abraham said, “My Lord is He who gives life and causes death.” He said, “I give life and cause death.” Abraham said, “Allah brings the sun from the East, so bring it from the West,” so the blasphemer was confounded. Allah does not guide the wrongdoing people.

The last time the word "Sun" is mentioned in the Quran is at

[Quran 91:1]
By the sun and its radiance.

An interesting correlation found in the Quran is that The first and last appearance of the word "Sun" are separated by 5778 verses, matching the Sun's surface temperature in Kelvin.