1 What are the pillars made of in the “Pillars of Creation?” dust and hydrogen gas 2 What is the most important force in astronomy? gravity 3 What is the early phase of the star called once the gas nebula and dust begin to coalesce? 4 At what stage in star development does a star spend main sequence most of its life?...its ‘happy’ state… 5 What characteristic indicates how hot a star is? color 6 Small, cool red stars are called …. red dwarfs 7 Large, blue stars are how much larger than the sun? 20 times the Sun’s mass 8 Which star lives the longest, the star with the higher the star with the lower mass mass or the star with the lower mass? 9 What will happen to our star once all of the hydrogen has eventually nuclear fusion stops, been fused? it dies 10 What is the phase of a star called where it simply cools white dwarf and fades away? 11 Why do most stars not necessarily die in the time we they begin to fuse into heavier elements would normally expect them to? 12 What is the result of the collapse of the iron core? it explodes and blows the star apart 13 From where did the elements in our bodies originate? the explosions of stars 14 About how big (or small) are neutron stars? 10 miles across 15 What would happen to our sun if a dense white dwarf Sun would distort (egg shape) and it would collided with it? explode the Sun…in about 1 hour 16 To what does the show compare a globular cluster? a demolition derby
1 What are the pillars made of in the “Pillars of Creation?” dust and hydrogen gas 2 What is the most important force in astronomy? gravity 3 What is the early phase of the star called once the gas and dust begin to coalesce? nebula 4 At what stage in star development does a star spend most of its life?...its ‘happy’ state… main sequence 5 What characteristic indicates how hot a star is? color 6 Small, cool red stars are called …. red dwarfs 7 Large, blue stars are how much larger than the sun? 20 times the Sun’s mass 8 Which star lives the longest, the star with the higher mass or the star with the lower mass? the star with the lower mass 9 What will happen to our star once all of the hydrogen has been fused? eventually nuclear fusion stops, it dies 10 What is the phase of a star called where it simply cools and fades away? white dwarf 11 Why do most stars not necessarily die in the time we would normally expect them to? they begin to fuse into heavier elements 12 What is the result of the collapse of the iron core? it explodes and blows the star apart 13 From where did the elements in our bodies originate? the explosions of stars 14 About how big (or small) are neutron stars? 10 miles across 15 What would happen to our sun if a dense white dwarf collided with it? Sun would distort (egg shape) and it would explode the Sun…in about 1 hour 16 To what does the show compare a globular cluster? a demolition derby