Astronomy 152 Chapter 7
The total solar cycle (with regards to magnetic pole orientation) is
22 years
What is the depth of the photosphere
500 K
What is the temperature of the photosphere?
5800 K
Why does the Sun appear so bright when compared to similar stars?
Because it is so close
The layer of the Sun's atmosphere above the apparent surface is called
Chromosphere
The outer most layer of the Sun's atmosphere is called
Corona
What is the Sun's spectral type?
G2
The study of wave patterns on the surface of the Sun is called
Helioseismology
In the convection zone, energy is transferred through
Interior
Energy can only be gained through nuclear fusion up to the element
Iron, Fe
The corona carries very blank and very blank gas.
Low-Density and very hot gas
Sunspots are related to blank on the photosphere
Magnetic Activity
Energy generation in the Sun and other stars is done through the process of
Nuclear Fusion
Near the photosphere, energy is transported (inward/outward) by blank. The visual consequence of this is called
Outward by the convection; Granulation
The apparent surface of the Sun is called
Photosphere
The basic reaction in the core of the Sun is called the blank which consists of converting 4 Hydrogen nuclei to 1 helium nucleus plus
Proton-Proton Chain, energy
Blank are filaments of cooler gas from the photosphere, rising up into the chromosphere.
Spicules
Cooler regions of the photosphere are called
Sun Spots
The constant flow of particles from the Sun is called the
The Solar Wind
In the blank of the chromosphere, the temperature jumps from about 10,000 K to about 1 million K
Transition Region
The sun is considered an average star.
True
The sun rotates faster at the
equator
In the radiation zone, energy is transferred through
exterior
The temperature of the solar interior blank inward
increases
From about 1650-1700 AD, there was a period with little sunspot activity. This is called
maunder minimum
Coronal Holes
origin of solar wind
The amount of energy we receive from the sun can be expressed as the
solar constant
The Northern lights are caused by extreme events on the sun called
solar flares
For heavier elements, energy is gained through
the release of nuclear fusion
Every 11 years, the order of leading sunspots is reversed.
true