What role does the Sun's gravity play in the solar system?

Approximately how long ago did the Sun begin to take shape from a molecular cloud?

What process occurs in the Sun's core that produces energy?

Which layer of the Sun is less dense than the core and where energy moves outward through thermal radiation?

In which layer of the Sun do gases "boil" outward from the core, then cool and sink back down in a continuous cycle of circulation?

Which layer of the Sun is referred to as its surface?

Which layer of the Sun looks reddish because it gives off electromagnetic radiation in the red part of the spectrum?

What is the wispy outermost layer of the solar atmosphere called, usually hidden by the bright light of the Sun's surface?

Which event allows scientists to study the solar corona more effectively?