Layers of the Sun
What two elements make up the sun
Hydrogen and Helium
What stage begins in a giant cloud of hydrogen gas and cosmic dust?
Nebula
How long is the solar cycle?
11 years
How many spectral classes are there?
What is the north star's name?
Polaris
What is the visible surface of the Sun?
Photosphere
How many stages are there in total?
About 6 or 7
What is a solar flare?
A burst of radiation and light
Which spectral class is our sun?
G
What constellation is the star Polaris in?
Ursa Minor/Little Dipper
What are the layers of the Sun?
Convection, Radiative, and core
What is a blackhole?
A region in space where the pull of gravity is so intense that nothing can pull away, not even light
How long can light bounce around in the radiative zone before it makes its way to the convective zone?
100,000 to 200,000 years
What classes is the hottest class and the coldest class?
O is the hottest, M and is coldest
What constellation has no mythology?
Camelopardals
How hot is the core of the Sun?
15 million Kelvin
What is one end stage of a giant star called when it explodes?
A supernova
What protects the Earth from the charged particles that the Sun emits?
Magnetic fields
What kind of brightness is an H-R diagram?
Absolute brightness
What is the animal associated with Ursa Major
The bear
How big is the sun compared to the size of Earth?
300,000 times the mass
What stage of it's life is our sun in?
The main sequence/Average star
How thick is the photosphere?
300 miles or 500 kilometers
What is the quote associated with the spectral classes?
Oh Be A Fine Guy/Gal, Kiss Me
What are some major star names?
Dubhe, Meruk, Phad, Megrez, Alioth, Mizar, Alkaid