Star light / Star bright Star structures / star clusters Unit 3 Jeopardy HR Diagram Star light / Star bright Star structures / star clusters Life of a Star Nebulae 10 20 30 40 50

What are three things you can learn about a star based Daily Double What are three things you can learn about a star based on it’s position on the HR diagram? Category 1 - 10

What type of stars are found at the top right of the HR diagram? 20 points Category 1 - 20

What stars will stay on the HR diagram for the shortest amount of time? 30 points

Which is the brightest star? K5 M3 M9 O2 O8 F1 40 points

Our sun (Sol) is considered what spectral class? 50 points

What’s the difference between absolute and apparent magnitude? 10 points

Who is really brighter? Sirius Rigel 20 points Mv = +1.40 m = -1.44

Deneb and Betelgeuse are the same size and temperature. However the m for Betelgeuse is +0.5 and the m for Deneb is +1.25. What’s going on? 30 points

At what distance is a star assumed to be at when calculating its absolute magnitude? 40 points

A star has a lifetime of 500 million years and was born 7 billion years ago. It is 1 billion light years away. Can we see this star tonight? If not, when could we see it? 50 points

What do all stars in star cluster have in common? 10 points

What is hydrostatic equilibrium? 20 points

Which layer is the very outmost layer of the sun? 30 points

Describe the stars found in a very young star cluster. 40 points

Where is the chromosphere? 50 points

Every star starts off as a __________. 10 points

What type of stars will end their lives as a black hole? 20 points

What type of stars are so old, their deaths are only a prediction? 30 points

Most of a stars lifetime will be spent on the _____________. 40 points

Describe how each will end up: -Very high mass star -High mass star -Medium-low mass star -Very low mass star 50 points!

What is a nebula? 10 points

What are the three types of larger nebulae, and what are their respective colors? 20 points

What is at the center of a planetary nebula? 30 points

What type of nebula surrounds a protostar? 40 points

Describe what you find inside an emission (H-II) nebula? 50 points