Mercury conjunct the Sun.
“One is highly intelligent, skillful, of good reputation, personal respect and surrounded by comforts and happiness.”
This is a simple and common yet important yoga. The house that the Sun and Mercury both fall in will be an area where the native will make progress through their skill, intelligence, productivity, and practicality. If Mercury is combust this yoga will still indicate skill, intelligence, etc., however, the results of a combust planet’s avastha, Kopa- angry, will cause frustration to the house these planets fall in as well as to the houses that Mercury rules, so the happiness will be marred.
The speed of Sun : Astronomically the Sun is fixed and it is the planets which are moving …