ERTH 101 Exam 3 With
Complete Solution
Plasma - ANSWER electrically charged matter
sun is made of this
Thermonuclear fusion - ANSWER The fusion that takes place under high
temperature
The joining together of nuclei to form larger nuclei.
Hydrostatic equilibrium - ANSWER the condition in which gravity and
radiation pressure are balanced
Radiation Pressure - ANSWER the pressure resulting from the impact of
photons on a surface or gas
Differential rotation - ANSWER Rotation of different regions of an object
(different latitudes or depths) at different rates
fastest at the equator
slower at the pole
Core - ANSWER the central region of a star where high temperatures and
high densities allow thermonuclear fusion reactions to occur, releasing
energy
about 10 million K
Radiative Zone - ANSWER the region of the sun above the core, where
,energy is transported outward by means of electromagnetic radiation
(photons scattering off of particles of mass)
Convective Zone - ANSWER The region of the sun above the radiative zone,
where energy is transported outward by the means of the motion of gas
makes it all the away to the surface of the sun
Photosphere - ANSWER the thin "surface" of the sun, from which radiation
escapes into space
Chromosphere - ANSWER the lower layer of the suns atmosphere
glowing pink- it is red coming from ionized hydrogen alpha and white from
sun
Corona - ANSWER the extended region of the extremely hot, low density gas
surrounding the sun
about 1 million K
Strong nuclear force - ANSWER One of the four fundamental forces in nature,
it binds particles together the nucleus of an atom
holds the nucleus together
Proton-proton (P-P)
chain - ANSWER nuclear fusion of hydrogen into helium
Main sequence star
4 hydrogens go in and one helium goes out small stars
the sequence of reactions required to convert hydrogen nuclei into helium
nuclei
, CNO - ANSWER nuclear fusion of hydrogen into helium
Main sequence star
large stars use CNO and produce greater energy in the core by
speeding up chemical reaction with faster rate of fusion
Antimatter - ANSWER A form of matter that annihilates on contact with
normal matter. Particles and antiparticles of the same type have the same
mass but opposite charge
Positron (e+) - ANSWER the antimatter version of the electron, having the
mass of the electron but a positive charge
antimatter particle of antimatter
solar granulation - ANSWER The pattern of cellular features on the solar
surface, showing bright interiors and dark edges
Neutrino - ANSWER An electrically neutral, weakly interacting elementary
subatomic particle often created in nuclear reactions
Solar granulation
(granules) - ANSWER The pattern of cellular features on the solar surface,
showing bright interiors and dark edges
Maunder minimum - ANSWER the period in the late 1600s when the number
of sunspots remained extremely low from one sunspot cycle to another
sunspot cycle is 11 years
Sun spot - ANSWER cooler part of sun
innermost part: umbra, cooler because the pressure is growing from the
Complete Solution
Plasma - ANSWER electrically charged matter
sun is made of this
Thermonuclear fusion - ANSWER The fusion that takes place under high
temperature
The joining together of nuclei to form larger nuclei.
Hydrostatic equilibrium - ANSWER the condition in which gravity and
radiation pressure are balanced
Radiation Pressure - ANSWER the pressure resulting from the impact of
photons on a surface or gas
Differential rotation - ANSWER Rotation of different regions of an object
(different latitudes or depths) at different rates
fastest at the equator
slower at the pole
Core - ANSWER the central region of a star where high temperatures and
high densities allow thermonuclear fusion reactions to occur, releasing
energy
about 10 million K
Radiative Zone - ANSWER the region of the sun above the core, where
,energy is transported outward by means of electromagnetic radiation
(photons scattering off of particles of mass)
Convective Zone - ANSWER The region of the sun above the radiative zone,
where energy is transported outward by the means of the motion of gas
makes it all the away to the surface of the sun
Photosphere - ANSWER the thin "surface" of the sun, from which radiation
escapes into space
Chromosphere - ANSWER the lower layer of the suns atmosphere
glowing pink- it is red coming from ionized hydrogen alpha and white from
sun
Corona - ANSWER the extended region of the extremely hot, low density gas
surrounding the sun
about 1 million K
Strong nuclear force - ANSWER One of the four fundamental forces in nature,
it binds particles together the nucleus of an atom
holds the nucleus together
Proton-proton (P-P)
chain - ANSWER nuclear fusion of hydrogen into helium
Main sequence star
4 hydrogens go in and one helium goes out small stars
the sequence of reactions required to convert hydrogen nuclei into helium
nuclei
, CNO - ANSWER nuclear fusion of hydrogen into helium
Main sequence star
large stars use CNO and produce greater energy in the core by
speeding up chemical reaction with faster rate of fusion
Antimatter - ANSWER A form of matter that annihilates on contact with
normal matter. Particles and antiparticles of the same type have the same
mass but opposite charge
Positron (e+) - ANSWER the antimatter version of the electron, having the
mass of the electron but a positive charge
antimatter particle of antimatter
solar granulation - ANSWER The pattern of cellular features on the solar
surface, showing bright interiors and dark edges
Neutrino - ANSWER An electrically neutral, weakly interacting elementary
subatomic particle often created in nuclear reactions
Solar granulation
(granules) - ANSWER The pattern of cellular features on the solar surface,
showing bright interiors and dark edges
Maunder minimum - ANSWER the period in the late 1600s when the number
of sunspots remained extremely low from one sunspot cycle to another
sunspot cycle is 11 years
Sun spot - ANSWER cooler part of sun
innermost part: umbra, cooler because the pressure is growing from the
