Sun's Layers
The center of the Sun's interior.
Core
Stars begin as this _________.
Clouds of gas & dust (Nebulas)
A large cloud of gas and dust.
Nebula
Stars die when they run out of this.
Fuel
How long is takes for Earth to travel around the sun.
365 1/4 days
The inner layer of the Sun's atmosphere that gives off light.
Photosphere
Our Sun is a _________mass star.
Medium
A contracting (shrinking) cloud of gas & dust.
Protostar
A white dwarf used to be this type of star?
Low or Medium Mass Star
Time it takes sunlight to reach Earth.
8 minutes
The middle layer of the Sun's atmosphere that is identified by its reddish color.
Chromosphere
Our Sun's next step is to become this?
Red Giant
How long a star lives depends on its ________.
Mass
Which is MORE dense? Sun or White Dwarf
White Dwarf
The elements that the Sun is mostly made of.
(H) Hydrogen. & (He) Helium
Energy moving out of the core must pass through this layer first.
Radiation Zone
A high mass star will become which of these? Planetary Nebula OR Supernova
Supernova
Stars with MORE mass live longer OR shorter?
Shorter
These stars spin rapidly?
Neutron Stars
These dark, cooler areas of the sun reveal themselves once every ________.
11 years - Sunspots
This is responsible for generating the Sun's energy.
Nuclear Fusion
Neutrons stars are also called these?
Pulsars
"Proto" means this.
Earliest
Radiation cannot escape this?
Black Hole
The length of the Sun's diameter in miles.
865,000 miles