Question 1
The solar system is located in a spiral arm: Orion-cygnus arm. According to (Leong 5), it is a minor spiral arms of the Milky Way galaxy some three thousand five hundred light-years (1100 parsecs) across and approximately ten thousand light years (3100 parsecs) in length. It is also known as local arm, Orion Bridge, local spur and Orion spur.
It is named for the Orion constellation, one of the prominent constellations of the northern hemisphere winter (southern hemisphere) (Leong 26).the brightest stars and numerous famous celestial objects of this constellation- Betelgeuse, Rigel, the stars of the Orion belt, the Orion ...
