1 Which portion of the HR diagram has stars with the greatest luminosity?
2 What is 2 plus 2?
3 What color is orange?
4 Which side of a HR diagram has the warmest stars?
5 What number planet is Earth from the sun?
6 What is the largest planet in our solar system?
7 Pluto is considered a dwarf planet?
8 How many planets are there?
9 When a tree falls in the forest it makes a sound?
10 How many known comets are there??