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Transcript 
Astronomers spend their lives
studying the stars.
At places like this…
We have 60 minutes.
And we’re not in a place like this
What can we see in 60 minutes?

Single stars
 Multiple stars
 Star clusters
 Sizes of Stars
 New stars
 Old stars
 Stars going
bang in the
night!

Galaxies!
A nearby star: our sun.
The spotty Sun
Inside the Sun, and other stars like the Sun

Three main interior
zones:
1.
2.
3.

Core, where fusion
happens
Radiative Layer
Convective Layer
Surface
 Atmosphere
Stars are spherical. How come?

Hydrostatic
equilibrium
 Outward
pressure from
heat
 Inward
pressure from
gravity
Stars are like bonfires:
The bigger they are, the hotter and faster they
consume their fuel.
Let’s start with something familiar.
Hertzsprung-Russel Diagram
Stars Build the Elements
In conclusion:

Never enough time
 The galaxy is BIG
 The Universe is
BIGGER
 Stars come in great
variety
 All of them are
fascinating
 See the stars with eyes
of wonder!
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