space
Which planet in our solar system is known for its spectacular ring system?
Saturn
What is the name of the astronomical unit of distance equal to the distance light travels in one year?
Light-Year
In the lifecycle of a star similar in mass to the Sun, what stage immediately follows the Main Sequence?
Red Giant
In the context of the Hertzsprung-Russell (H-R) Diagram, where are the hottest, brightest stars typically located?
Upper Left Corner
The concept of 'Cosmic Inflation' was introduced to solve which two major problems with the standard Big Bang model?
The Horizon and Flatness Problems