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