1. Steps in the Life Cycle of a Star
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2. What step of the life cycle am I?
Burns hydrogen
If a nearby star was in this phase, it would be brighter than the sun.
No larger than earth, but have more mass than the sun.
Emits X-rays
Energy heats and expands it’s outer layer.
Not yet hot enough for nuclear fusion.
Gives off pulses of radio waves
For reasons unknown they become dense enough to contract.
White dwarfs heat the gasses of a ____ causing it to glow.
Massive stars pass through this stage very rapidly.

3. What step of the life cycle am I?
Main sequence OR Massive
Supernova
White dwarf
Black hole
Red Giant
Protostar
Pulsar/Neutron Star
Nebula
Planetary Nebula
Super Red Giant.