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Study sets matching "the evolution of stars stellar"

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Study sets matching "the evolution of stars stellar"

15 terms
Stars & Stellar Evolution
Sun
Red Giant
Nebula
Pulsar
Main Sequence star
A star that expands and cools once it runs out of hydrogen fuel
A large cloud of gas and dust in interstellar space; a region…
A rapidly spinning neutron star
Sun
Main Sequence star
Red Giant
A star that expands and cools once it runs out of hydrogen fuel
15 terms
Stars & Stellar Evolution
Sun
Red Giant
Nebula
Pulsar
Main Sequence star
A star that expands and cools once it runs out of hydrogen fuel
A large cloud of gas and dust in interstellar space; a region…
A rapidly spinning neutron star
Sun
Main Sequence star
Red Giant
A star that expands and cools once it runs out of hydrogen fuel
18 terms
Stars and Stellar Evolution
Parallax
Light Year
Apparent Magnitude
Absolute Magnitude
A way of measuring the distance to a star from Earth
The distance light can travel in a year. Used to measure very…
A star's brightness as it appears from Earth
Actual brightness of a star Measures a stars. luminosity or b…
Parallax
A way of measuring the distance to a star from Earth
Light Year
The distance light can travel in a year. Used to measure very…
13 terms
Stars & Stellar Evolution 1
Sun
Red Giant
Nebula
Pulsar
Main Sequence star
A star that expands and cools once it runs out of hydrogen fuel
A large cloud of gas and dust in interstellar space; a region…
A rapidly spinning neutron star
Sun
Main Sequence star
Red Giant
A star that expands and cools once it runs out of hydrogen fuel
5 terms
stellar evolution star
nebula
molecular cloud
protostar
t tauri star
nebula
molecular cloud
48 terms
Stars/ Stellar Evolution Exam
Core - (of the Sun)
Photosphere -(of the Sun)
Chromosphere -(of the Sun)
Corona -(of the Sun)
center of the Sun, 15 million K, nuclear fusion occurs there…
visible "disk" of the Sun, 6,000 K, other features visible, c…
"lower" atmosphere of the Sun, 30,000 K, gas energized by ult…
"upper" atmosphere of the Sun, 1-2 million K, gas energized b…
Core - (of the Sun)
center of the Sun, 15 million K, nuclear fusion occurs there…
Photosphere -(of the Sun)
visible "disk" of the Sun, 6,000 K, other features visible, c…
125 terms
Stars and Stellar Evolution powerpoint
How far is the most distant object spo…
How long will it take Pioneer 10 space…
What is the size of the red giant star…
What is Parallax?
13,000,000,000 (1.3 x 10... 10... ) light years
more than 80000 years
800 times larger
Shift in motion caused by the observer
How far is the most distant object spo…
13,000,000,000 (1.3 x 10... 10... ) light years
How long will it take Pioneer 10 space…
more than 80000 years
15 terms
Stars & Stellar Evolution
Sun
Red Giant
Nebula
Pulsar
Main Sequence star
A star that expands and cools once it runs out of hydrogen fuel
A large cloud of gas and dust in interstellar space; a region…
A rapidly spinning neutron star
Sun
Main Sequence star
Red Giant
A star that expands and cools once it runs out of hydrogen fuel
16 terms
Stars and Stellar Evolution
Are all stars the same?
What do they vary in?
Do all stars end their lives in supern…
What is a star?
No/False
Brightness, color, mass, temperature, and age
No/False
Ball of gas that is held together by it's own force of gravit…
Are all stars the same?
No/False
What do they vary in?
Brightness, color, mass, temperature, and age
98 terms
Stars/Stellar Evolution
2.512 times
Apparent Magnitude
-26.8
-13.6
Change in brightness per one difference in magnitude
The brightness of a star as seen from Earth
Apparent magnitude of the sun
Apparent magnitude of the moon
2.512 times
Change in brightness per one difference in magnitude
Apparent Magnitude
The brightness of a star as seen from Earth
48 terms
Stars/ Stellar Evolution Exam
Core - (of the Sun)
Photosphere -(of the Sun)
Chromosphere -(of the Sun)
Corona -(of the Sun)
center of the Sun, 15 million K, nuclear fusion occurs there…
visible "disk" of the Sun, 6,000 K, other features visible, c…
"lower" atmosphere of the Sun, 30,000 K, gas energized by ult…
"upper" atmosphere of the Sun, 1-2 million K, gas energized b…
Core - (of the Sun)
center of the Sun, 15 million K, nuclear fusion occurs there…
Photosphere -(of the Sun)
visible "disk" of the Sun, 6,000 K, other features visible, c…
14 terms
Stars and stellar evolution
Apparent magnitude
absolute magnitude
Luminosity
Brightness
Apparently some things are magnetic
Things that are absolutely magnetic
Something with light
Same
Apparent magnitude
Apparently some things are magnetic
absolute magnitude
Things that are absolutely magnetic
14 terms
Stars and stellar evolution
Appearant magnitude
Absolute magnitude
Luminosity
Brightness
...
...
...
...
Appearant magnitude
...
Absolute magnitude
...
14 terms
Stars and Stellar Evolution Vocabulary
Apparent Magnitude
Absolute Magnitude
Luminosity
Brightness
the brightness of a star as seen from Earth
The actual brightness of a star
Energy output from the surface of a star per second; measured…
The lightness or darkness of reflected light, determined in l…
Apparent Magnitude
the brightness of a star as seen from Earth
Absolute Magnitude
The actual brightness of a star
14 terms
Stars and Stellar evolution
Apparent magnitude
Absolute Magnitude
luminosity
brightness
How bright a star appears to be
How bright a star actually is
Brightness
A psychological sensation caused by the intensity of light wa…
Apparent magnitude
How bright a star appears to be
Absolute Magnitude
How bright a star actually is
14 terms
stars and stellar evolution vocab
apparent magnitude
absolute magnitude
luminosity
brightness
the brightness of a star when viewed from Earth
(astronomy) the magnitude that a star would have if it were v…
Brightness
A psychological sensation caused by the intensity of light wa…
apparent magnitude
the brightness of a star when viewed from Earth
absolute magnitude
(astronomy) the magnitude that a star would have if it were v…
Stars and Stellar Evolution Vocab
Apparent Magnitude
Absolute Magnitude
Luminosity
Brightness
the brightness of a star when viewed from Earth
(astronomy) the magnitude that a star would have if it were v…
Energy output from the surface of a star per second; measured…
A psychological sensation caused by the intensity of light wa…
Apparent Magnitude
the brightness of a star when viewed from Earth
Absolute Magnitude
(astronomy) the magnitude that a star would have if it were v…
15 terms
Stars & Stellar Evolution
Sun
Red Giant
Nebula
Pulsar
Main Sequence star
A star that expands and cools once it runs out of hydrogen fuel
A large cloud of gas and dust in interstellar space; a region…
A rapidly spinning neutron star
Sun
Main Sequence star
Red Giant
A star that expands and cools once it runs out of hydrogen fuel
14 terms
Stars and stellar evolution vocabulary
Apparent magnitude
Absolute magnitude
Luminosity
Brightness
The apparent magnitude (m) of a celestial body is a measure o…
Absolute magnitude is the measure of a celestial object's int…
ASTRONOMY... the intrinsic brightness of a celestial object (as…
Brightness is an attribute of visual perception in which a so…
Apparent magnitude
The apparent magnitude (m) of a celestial body is a measure o…
Absolute magnitude
Absolute magnitude is the measure of a celestial object's int…
14 terms
Stars and Stellar Evolution
Apparent Magnitude
Absolute Magnitude
Luminosity
Brightness
the brightness of a star when viewed from Earth
(astronomy) the magnitude that a star would have if it were v…
Brightness
A psychological sensation caused by the intensity of light wa…
Apparent Magnitude
the brightness of a star when viewed from Earth
Absolute Magnitude
(astronomy) the magnitude that a star would have if it were v…
69 terms
Stars and Stellar Evolution
What does Stellar mean?
Interstellar nebulas only form what?
What do solar nebulas form?
Parallax
Stars
Stars
Planets and small, low to medium stars
Angular measurements of distance for objects that are extreme…
What does Stellar mean?
Stars
Interstellar nebulas only form what?
Stars
13 terms
Stars and Stellar Evolution
constellation
circumpolar
luminosity
absolute magnitude
a patter or group of stars in the sky.
those that appear in the sky all night long and all year long.
the brightness of a star or the power radiated by the star.
the measure of how bright a star would be if it were located…
constellation
a patter or group of stars in the sky.
circumpolar
those that appear in the sky all night long and all year long.
14 terms
Stars and Stellar Evolution Vocab
Apparent Magnitude
Absolute Magnitude
Luminosity
Brightness
the brightness of a star when viewed from Earth
a measure of the amount of light that a star actually emits
how bright a star will be in relation to the sun if all star…
Color luminance or intensity of a light source
Apparent Magnitude
the brightness of a star when viewed from Earth
Absolute Magnitude
a measure of the amount of light that a star actually emits
13 terms
Stars and stellar evolution vocab
Apparent magnitude
Absolute magnitude
Luminosity
Brightness
the brightness of a star when viewed from Earth
(astronomy) the magnitude that a star would have if it were v…
Brightness
A psychological sensation caused by the intensity of light wa…
Apparent magnitude
the brightness of a star when viewed from Earth
Absolute magnitude
(astronomy) the magnitude that a star would have if it were v…
14 terms
Stars and stellar evolution
Apparent magnitude
Absolute magnitude
Luminosity
Brightness
how bright the star appears from Earth
How bright the star appears at a standard distance of 32.6 li…
the intrinsic brightness of a celestial object (as distinct f…
brightness is the perception elicited by the luminance of a v…
Apparent magnitude
how bright the star appears from Earth
Absolute magnitude
How bright the star appears at a standard distance of 32.6 li…
13 terms
Stars and Stellar Evolution Vocab
Apparent Magnitude
Absolute Magnitude
Luminosity
Brightness
The apparent magnitude (m) of a celestial body is a measure o…
Absolute magnitude is the measure of a celestial object's int…
the intrinsic brightness of a celestial object (as distinct f…
Brightness is an attribute of visual perception in which a so…
Apparent Magnitude
The apparent magnitude (m) of a celestial body is a measure o…
Absolute Magnitude
Absolute magnitude is the measure of a celestial object's int…
14 terms
stars and stellar evolution
apparent magnetude
absolute magnetude
luminosity
brightness
measure of the amount of light from a star that is received o…
the actual ammont of light a star gives off
how bright a star will be in relation to the sun if all star…
A psychological sensation caused by the intensity of light wa…
apparent magnetude
measure of the amount of light from a star that is received o…
absolute magnetude
the actual ammont of light a star gives off
14 terms
Stars and stellar evolution
Apparent magnitude
Absolute magnitude
Luminosity
Brightness
the brightness of a star when viewed from Earth
(astronomy) the magnitude that a star would have if it were v…
Brightness
A psychological sensation caused by the intensity of light wa…
Apparent magnitude
the brightness of a star when viewed from Earth
Absolute magnitude
(astronomy) the magnitude that a star would have if it were v…
14 terms
Stars and Stellar Evolution Vocabulary
Apparent Magnitude
Absolute Magnitude
Luminosity
Brightness
the brightness of a star when viewed from Earth
(astronomy) the magnitude that a star would have if it were v…
Energy output from the surface of a star per second; measured…
A psychological sensation caused by the intensity of light wa…
Apparent Magnitude
the brightness of a star when viewed from Earth
Absolute Magnitude
(astronomy) the magnitude that a star would have if it were v…
24 terms
Properties of Stars and Stellar Evolution
What is magnitude?
Apparent Magnitude
Absolute Magnitude
Luminosity
Measurement of the brightness of a star.
Describes how bright an object appears to an Earth-based expl…
The apparent magnitude that a star would have if it were 10 p…
The amount of energy escaping from the star's surface each se…
What is magnitude?
Measurement of the brightness of a star.
Apparent Magnitude
Describes how bright an object appears to an Earth-based expl…
14 terms
Stars and Stellar Evolution Vocabulary
apparent magnitude
absolute magnitude
luminosity
brightness
the brightness of a star when viewed from Earth
How bright a star actually is
How bright a star is in solar units.
A psychological sensation caused by the intensity of light wa…
apparent magnitude
the brightness of a star when viewed from Earth
absolute magnitude
How bright a star actually is
14 terms
Stars and Stellar Evolution Vocab
Apparent Magnitude
Absolute Magnitude
Luminosity
Brightness
A measure of the amount of light from a star that is received…
(astronomy) the magnitude that a star would have if it were v…
how bright a star will be in relation to the sun if all star…
A psychological sensation caused by the intensity of light wa…
Apparent Magnitude
A measure of the amount of light from a star that is received…
Absolute Magnitude
(astronomy) the magnitude that a star would have if it were v…
33 terms
Stars and stellar evolution
Stellar
Interstellar nebula
Solar nebula
Parallax
Means stars
Forms only stars
Forms planets and small to low medium mass stars
Angular measurement of distance for objects that are extremel…
Stellar
Means stars
Interstellar nebula
Forms only stars
14 terms
Stellar Evolution - Sunlike stars
Nebula def
Nebula temp
Protostar def
Main Sequence def
cool, dark interstellar clouds rich in dust and gases.
as cold as 10K above absolute zero
very young beginning star still surrounded by dust and gas
nuclear fusion creates energy for the star
Nebula def
cool, dark interstellar clouds rich in dust and gases.
Nebula temp
as cold as 10K above absolute zero
14 terms
Stars and stellar Evolution Vocab
Apparent Magnitude
Absolute Magnitude
Brightness
Luminosity
The apparent magnitude (m) of a celestial body is a measure o…
measure of a celestial object's intrinsic brightness
how bright something is.
the intrinsic brightness of a celestial object (as distinct f…
Apparent Magnitude
The apparent magnitude (m) of a celestial body is a measure o…
Absolute Magnitude
measure of a celestial object's intrinsic brightness
45 terms
Stars, Sun, and Stellar Evolution
Name the process used to change hydrog…
First stage of proton to proton chain
second stage of proton to proton chain
Third and final stage of fusion
Proton to proton chain (fusion)
deuterium
Helium3
Helium4 and 1 hydrogen atom
Name the process used to change hydrog…
Proton to proton chain (fusion)
First stage of proton to proton chain
deuterium
98 terms
Stars/Stellar Evolution
2.512 times
Apparent Magnitude
-26.8
-13.6
Change in brightness per one difference in magnitude
The brightness of a star as seen from Earth
Apparent magnitude of the sun
Apparent magnitude of the moon
2.512 times
Change in brightness per one difference in magnitude
Apparent Magnitude
The brightness of a star as seen from Earth
21 terms
Stars and Stellar Evolution
Betelguese
parsec
T/F Helium and hydrogen are the most c…
On the magnitude scale brighter stars…
red star that is bigger than the sun
3.26 ly... distance that light travels in 1 year across space va…
True
negative
Betelguese
red star that is bigger than the sun
parsec
3.26 ly... distance that light travels in 1 year across space va…
32 terms
Stars and Stellar Evolution
What is the temperature for a Hot star?
What is the temperature for a Cold star?
How do you find a star's composition?
What are the common elements that make…
Blue
Red
Color of light given off by the star
Hydrogen and Helium
What is the temperature for a Hot star?
Blue
What is the temperature for a Cold star?
Red
9 terms
Stellar evolution-star cycle
Stars are born in
What's a protostar
Main sequence
Red giant
dark intersellular clouds made up of dust and gases
Developing star that doesn't go through nuclear fusion
hydrogen burning star
zone of hydrogen fusion continuously moves outward leaving be…
Stars are born in
dark intersellular clouds made up of dust and gases
What's a protostar
Developing star that doesn't go through nuclear fusion
39 terms
Galaxies, Characteristics of stars, Stellar Evolution
How do astronomers classify galaxies?
How long does light take to travel fro…
What traits do all galaxies have?
What are the three basic shapes of gal…
Astronomers classify galaxies by their shape.
Approximately 8 light minutes.
a. held together by the force of gravity... b.they are composed…
Elliptical,Spiral,and Irregular
How do astronomers classify galaxies?
Astronomers classify galaxies by their shape.
How long does light take to travel fro…
Approximately 8 light minutes.
67 terms
ASTRONOMY: Stellar Evolution- Birth of Stars
parallax
stellar parallax
parallax equation
closest star
apparent displacement of an object, in degrees, because of a…
motion of a nearby star against the background of distant sta…
distance= (parallax)⁻¹... -parallax in arcseconds ... - distance i…
proxima centauri; it has a parallax of .772 and is 1.3 parsec…
parallax
apparent displacement of an object, in degrees, because of a…
stellar parallax
motion of a nearby star against the background of distant sta…
139 terms
ASTRONOMY: Stellar Evolution- Birth of Stars
Luminosity
hydrogen fusion
thermonuclear fusion
proton-proton chain
total amount of energy emitted per second (sun= 3.9x10²⁶
process of converting hydrogen into helium
the combining of nuclei ... 4H → He + energy... (2 of protons are…
sequence of reactions where protons are changed to neutrons
Luminosity
total amount of energy emitted per second (sun= 3.9x10²⁶
hydrogen fusion
process of converting hydrogen into helium
32 terms
ASTRONOMY: Stellar Evolution- Death of Stars
red giant branch
horizontal branch
shell helium fusion
asymptotic giant branch stars (AGB sta…
branch on Hertzsprung-Russell diagram
branch on Hertzsprung-russell diagram depiting stars with hel…
when all helium is used up, no thermonuclear reactions can pu…
stars in their second red-giant phase
red giant branch
branch on Hertzsprung-Russell diagram
horizontal branch
branch on Hertzsprung-russell diagram depiting stars with hel…
Galaxies, Characteristics of Stars, and Stellar Evolution
Spiral (S/SB)
Elliptical (E)
Irregular (Irr)
Messier
-flattened disk containing spiral arms and a central bulge... -s…
-smooth, ball-shaped appearance ... -old stars, little gas/dust…
-no def shape... -new stars mixed in with gas and dust;active re…
-discovered galaxies by looking for comets
Spiral (S/SB)
-flattened disk containing spiral arms and a central bulge... -s…
Elliptical (E)
-smooth, ball-shaped appearance ... -old stars, little gas/dust…
50 terms
Section C: Stars and Stellar Evolution
Gravitational contraction
Gravitational equilibrium
solar wind
corona
provided energy that heated the core as the sun was forming
energy provided by fusion maintains the pressure
flow of charges particles radiate by the sun
outermost layer of suns atmosphere is xray rich and is 1 mill…
Gravitational contraction
provided energy that heated the core as the sun was forming
Gravitational equilibrium
energy provided by fusion maintains the pressure
16 terms
Stars and Stellar Evolution book questions
If a star is 5 light years away, how m…
Compared to other stars, the diameter,…
The composition of the Sun is primaril…
The Milky Way is an example of- 1) an…
5 years
about the same
hydrogen and helium
spiral galaxy
If a star is 5 light years away, how m…
5 years
Compared to other stars, the diameter,…
about the same
50 terms
Stars part 2- stellar evolution
When do stars leave the main sequence?
What is the time like for high mass st…
How long does a star spend on the main…
What is the evolution of a high mass s…
as hydrogen in the core is consumed, the star begins to leave…
much shorter
A star spends 95-99% of its life on main sequence
go out with a bang - supernova!
When do stars leave the main sequence?
as hydrogen in the core is consumed, the star begins to leave…
What is the time like for high mass st…
much shorter
13 terms
Stellar Evolution of Sun-Like Stars
1. Interstellar Cloud/Nebula
2. Cloud Fragment
3. Cloud Fragment heats
4. Protostar
Cloud of gas and dust.
Cloud fragments begin to collapse.
Interior of fragment has begun heating.
Core is a protostar, appears on HR Diagram. Planetary formati…
1. Interstellar Cloud/Nebula
Cloud of gas and dust.
2. Cloud Fragment
Cloud fragments begin to collapse.
143 terms
ASTRONOMY: Stellar Evolution- Birth of Stars
luminosity
hydrogen fusion
thermonuclear fusion
proton-proton chain
total amount of energy emitted per second (sun= 3.9x10²⁶
process of converting hydrogen into helium
the combining of nuclei ... 4H → He + energy... (2 of protons are…
sequence of reactions where protons are changed to neutrons
luminosity
total amount of energy emitted per second (sun= 3.9x10²⁶
hydrogen fusion
process of converting hydrogen into helium
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