arised :D arose Risen Example: The sun did not arose. The sun has risen. :D
First you get day, then you get night.
The past participle of "rise" is "risen." For example, "The sun has just risen over the horizon."
risen or set
Yes they could have done when the sun was setting behind them or when the sun had not yet risen, it would depend where the mountains were.
the sun has risen up starting with a new day
The Tagalog word for "risen" is "bumangon."
Scientists can not gather information IN the Sun.
had risen
I have risen from the grave to haunt you.The cost of living has risen but wages have not.
stuff about the sun
The sun is a great source of vitamin D, and information on the sun in relation with vitamin D can be found on The Office of Dietary Supplements. Also, the Science Channel provides general factual information about the sun.