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Study sets matching "galaxies chapter 13"

33 terms
Chapter 13: Galaxies
Harlow Shapley
Measuring the apparent angular displac…
Cepheid Variable
RR Lyrae variables
Small and nearby
The Direct Method to measure distances to stars consist of:
Found throughout the Galaxy ... Pulsation periods of 1 to 50 day…
Found in globular clusters... Pulsation periods less than a day…
Harlow Shapley
Small and nearby
Measuring the apparent angular displac…
The Direct Method to measure distances to stars consist of:
22 terms
Chapter 13 - Stars and Galaxies
Constellations
Absolute Magnitude
Apparent Magnitude
Light-year
patterns of stars in the night sky
a measure of the amount of light a star gives off
a measure of the amount of light received on Earth
distance that light travels in one year
Constellations
patterns of stars in the night sky
Absolute Magnitude
a measure of the amount of light a star gives off
28 terms
Chapter 13: Galaxies
Elliptical Galaxy
Spiral Galaxy
Barred Spiral Galaxy
Irregular Galaxy
A galaxy that is round in outline and contains little gas and…
A galaxy with an obvious disk component containing gas; dust;…
A spiral galaxy with an elongated nucleus resembling a bar fr…
A galaxy with a chaotic appearance, large clouds of gas and d…
Elliptical Galaxy
A galaxy that is round in outline and contains little gas and…
Spiral Galaxy
A galaxy with an obvious disk component containing gas; dust;…
19 terms
Stars and Galaxies Chapter 13
Distance
Hydrogen Helium
Masses
Outer Envelope of the Stare Pulsates
If you measure the average brightness and pulsation period of…
The CNO cycle in high-mass main-sequence stars burn _______ t…
The main difference between Cepheid Variable Stars and RR Lyr…
A Cepheid Star varies in luminosity because the:
Distance
If you measure the average brightness and pulsation period of…
Hydrogen Helium
The CNO cycle in high-mass main-sequence stars burn _______ t…
13 terms
Chapter 13 Stars && Galaxies
What is a measure of the amount of a s…
What happens after a nebula contracts…
What forms when the Sun fuses hydrogens?
Which of the following are loops of ma…
Apparent Magnitude
Fusion Begins
Helium
Prominences
What is a measure of the amount of a s…
Apparent Magnitude
What happens after a nebula contracts…
Fusion Begins
15 terms
Chapter 13 stars and galaxies
Star
Constellation
Absolute Magnitude
Apparent Magnitude
Sperical mass of gass that gives off light and other types of…
Patterns of stars
The measure of the amount of light a star gives off.
The measure of amount of light received on earth
Star
Sperical mass of gass that gives off light and other types of…
Constellation
Patterns of stars
28 terms
chapter 13: Stars,Galaxies, and the Universe study guide
nebula
Hubble's law
Red shift
spiral galaxy
regions of concentrated dust and gas, hydrogen,heluim
Object that are farther apart in space, moving at a faster rate
object moves away form the observer
disk shaped, containing star, gas, and dust
nebula
regions of concentrated dust and gas, hydrogen,heluim
Hubble's law
Object that are farther apart in space, moving at a faster rate
38 terms
PHY 150 Chapter 13- Galaxies
Galaxy
Milky Way
Edwin Hubble
Four major spiral arms of milky way ga…
group of about 10^6 - 10^12 amount of stars grouped together…
What our solar system is a part of
Found cephied in andromeda agalxy (about 50 ly away) and disc…
Sagitarius, Persues, Centaurus, Cygnus
Galaxy
group of about 10^6 - 10^12 amount of stars grouped together…
Milky Way
What our solar system is a part of
20 terms
Chapter 13 Science Stars and Galaxies
White dwarf
Constellations
Absolute magnitude
Apparent magnitude
Relatively cool star that has extended to more than 700 times…
Groups of stars whose positions in the sky seem to change as…
Actual amount of light a star gives off
Amount of a star's light observed on Earth
White dwarf
Relatively cool star that has extended to more than 700 times…
Constellations
Groups of stars whose positions in the sky seem to change as…
23 terms
Chapter 13 - Normal and Active Galaxies
As Edwin Hubble realized that other ga…
***In Hubble's "Tuning Fork" diagram,…
***Transitory between E and S are the…
In color, ellipticals appear _____ thr…
Spirals, ellipticals, irregulars
E0, E7
Sc
Yellow, ii, slowly
As Edwin Hubble realized that other ga…
Spirals, ellipticals, irregulars
***In Hubble's "Tuning Fork" diagram,…
E0, E7
28 terms
chapter 13- the galaxies PART 2
supermassive black holes in the cores…
a very luminous galaxy often containin…
a type of active galaxy
a type of active galaxy; a blazar
active galactic nuclei
active galaxy
blazar
BL Lacertae (BL Lac)
supermassive black holes in the cores…
active galactic nuclei
a very luminous galaxy often containin…
active galaxy
Chapter 13 - Exploring Our Galaxy
25,000 ly
dark matter
disk
Milky Way
how many light years away from the center of the Milky Way is…
comprises 90% of the Milky Way's Mass
location of the Sun in the Milky Way galaxy
our galaxy; the band of faint stars seen from Earth in the pl…
25,000 ly
how many light years away from the center of the Milky Way is…
dark matter
comprises 90% of the Milky Way's Mass
28 terms
chapter 13- the galaxies PART 1
The as-yet-undetected matter in the un…
The relationship that states that the…
A system of classifying galaxies accor…
An inconclusive debate between Harlow…
dark matter
hubble law
hubble classification
shapley-curtis debate
The as-yet-undetected matter in the un…
dark matter
The relationship that states that the…
hubble law
30 terms
Chapter 13 Stars and Galaxys
What are imaginary patterns in the nig…
In ancient times constellations were u…
In modern times how many constellation…
Certain constellations are only visibl…
Constellations
Mythology
88
Hemisphere
What are imaginary patterns in the nig…
Constellations
In ancient times constellations were u…
Mythology
42 terms
Space Tools and Galaxies - Chapter 13 & 14
Observatory
Orbit
Project Apollo
Project Gemini
Building that can house an optical telescope; done shaped roo…
Curved path followed by a satellite as it revolves around an…
Final stage in U.S. program to reach the moon in which Armstr…
2nd stage in the U.S. program to reach the moon in which anot…
Observatory
Building that can house an optical telescope; done shaped roo…
Orbit
Curved path followed by a satellite as it revolves around an…
27 terms
Chapter 13 Test SG (Galaxies)
What are constellations ?
Circumpolar Constellations ?
Which constellation is directly over t…
What is absolute magnitude or a star?
groups of stars that form patterns
appear to be moving, visible all year long
Polaris
measure of the amount of light it gives off
What are constellations ?
groups of stars that form patterns
Circumpolar Constellations ?
appear to be moving, visible all year long
55 terms
Ch 13 GALAXIES Review
M87
Whirlpool Galaxy
Irregular galaxy
Elliptical
Name this elliptical galaxy.
Name this galaxy.
What type of galaxy is shown here?
What type of galaxy is shown here?
M87
Name this elliptical galaxy.
Whirlpool Galaxy
Name this galaxy.
Chapter 13: The Milky Way Galaxy
galaxy
Milky Way Galaxy
The shape of our galaxy
When viewed from within, our galaxy's…
gravitationally bound collection of a large number of stars
The spiral galaxy in which the Sun resides. The disk of our G…
double frisbee shaped
galactic disk
galaxy
gravitationally bound collection of a large number of stars
Milky Way Galaxy
The spiral galaxy in which the Sun resides. The disk of our G…
66 terms
Ch 13 GALAXIES Review
M87
Whirlpool Galaxy
Irregular galaxy
Elliptical
Name this elliptical galaxy.
Name this galaxy.
What type of galaxy is shown here?
What type of galaxy is shown here?
M87
Name this elliptical galaxy.
Whirlpool Galaxy
Name this galaxy.
27 terms
Chapter 13 and 14 stars and galaxies and exploring space
Nuclear; core
Hydrogen atoms fuse together to form h…
5 billion years
Photosphere
How does the sun produce light and heat? In what part of the…
Explain the process of nuclear fusion.
How much longer will the sun continue to shine?
What part of the sun can be seen in a photograph?
Nuclear; core
How does the sun produce light and heat? In what part of the…
Hydrogen atoms fuse together to form h…
Explain the process of nuclear fusion.
32 terms
Chapter 13 -15 Galaxies And Their Components
Are stares usually by themselves or in…
What are 3 types of galaxies
How are galaxies classified
What type of galaxies have the younges…
Stars are usually found in groups of two (binary stars) or th…
Irregular, barred spiral, spiral, elliptical
Galaxies are classified by their shape.
Irregular-youngest, elliptical- oldest
Are stares usually by themselves or in…
Stars are usually found in groups of two (binary stars) or th…
What are 3 types of galaxies
Irregular, barred spiral, spiral, elliptical
Chapter 13 Stars and Galaxies (8th SC Science)
What is a constellation?
What are circumpolar constellations?
What is absolute magnitude?
What is apparent magnitude?
A pattern of stars in the night sky
As Earth rotates, constellations in the northern sky circle a…
A measure of the amount of light a star gives off
A measure of the light recieved from Earth
What is a constellation?
A pattern of stars in the night sky
What are circumpolar constellations?
As Earth rotates, constellations in the northern sky circle a…
16 terms
Chapter 13: The Milky Way Galaxy
We live in a spiral galaxy.
Globular clusters trace out the large-…
The Galactic halo contains only old st…
Stars and gas in the Galactic disk mov…
True
False
True
True
We live in a spiral galaxy.
True
Globular clusters trace out the large-…
False
Chapter 13: Exploring Our galaxy
The sun is located how many light-year…
Define galaxies
William Herschel
Robert J Trumpler
25,000
Millions of stars collected together in isolated clumps
Discoverer of the planet Uranus
concluded that interstellar space must not be empty but conta…
The sun is located how many light-year…
25,000
Define galaxies
Millions of stars collected together in isolated clumps
8 terms
Ch 13- Galaxies
Elliptical Galaxies
Disk Shaped Galaxies
Irregular Galaxies
Spectroscopic Parallax
round or elliptical, contain no visible and dust, and lack ho…
some are rich in dust, which is concentrated along their spir…
are a chaotic mix of gas, dust, and stars with no obvious nuc…
The method of determining a star's distance by comparing its…
Elliptical Galaxies
round or elliptical, contain no visible and dust, and lack ho…
Disk Shaped Galaxies
some are rich in dust, which is concentrated along their spir…
14 terms
Physics part 3-chapter 13-Galaxies normal and active
Elliptical Galaxies
Spiral Galaxies
Irregular Galaxies
Megaparsec
Are round or elliptical in shape ... Range from huge giants to s…
Disk shaped that have spiral arms that contain gas and dust…
Have no shape and are rich with gas and dust ... Very chaotic mi…
(Mpc) 1 million PC, or 3.26 million light years
Elliptical Galaxies
Are round or elliptical in shape ... Range from huge giants to s…
Spiral Galaxies
Disk shaped that have spiral arms that contain gas and dust…
58 terms
Ch 12: Solar System & Ch 13: Galaxies
solar system
comet
meteor
meteorite
sun, planets, and all the other objects that revolve around t…
A ball of frozen dust and rock that orbits the sun
A meteoroid that burns up in Earth's atmosphere
A meteoroid that has hit earth's surface.
solar system
sun, planets, and all the other objects that revolve around t…
comet
A ball of frozen dust and rock that orbits the sun
31 terms
Stars and Galaxies - Chapter 2
Superior Orbit
Inferior Orbit
Retrograde Motion
What did Chinese and Islamic astronome…
Orbits which are outside of Earth's... Mars, Jupiter, Saturn, U…
Orbits between the Earth and the sun.... Mercury and Venus
The apparent backward motion, westward, loop traced out by a…
Chinese - Careful and extensive records of Comets and "guest…
Superior Orbit
Orbits which are outside of Earth's... Mars, Jupiter, Saturn, U…
Inferior Orbit
Orbits between the Earth and the sun.... Mercury and Venus
13 terms
Astr- Chap 13 (Galaxies)
Galaxy classification (know how to ide…
How many galaxies are there?
Hubble's law
How can we tell how far away a galaxy…
c
m
n
b
Galaxy classification (know how to ide…
c
How many galaxies are there?
m
40 terms
Chapter 16: A Universe of Galaxies
Spiral Galaxies
Disk Component
Halo Component
Barred Spiral
- Galaxies of flat white disks with yellowish bulge at a cent…
- Stars and dusty gas cloud following orderly/nearly circular…
- Spheroidal/Ellipsoidal ... - Halo and central bulge with round…
- Spiral with straight bar of stars across center and spiral…
Spiral Galaxies
- Galaxies of flat white disks with yellowish bulge at a cent…
Disk Component
- Stars and dusty gas cloud following orderly/nearly circular…
25 terms
Chapter 16 Stars & Galaxies
Galaxy
Spiral Galaxy
Elliptical Galaxy
Irregular Galaxy
a large group of stars in the universe
galaxy that is pinwheel shaped with a thin disk with long arm…
huge galaxy that is round or oval in shape
huge galaxy with no regular shape
Galaxy
a large group of stars in the universe
Spiral Galaxy
galaxy that is pinwheel shaped with a thin disk with long arm…
21 terms
chapter 31 stars and galaxies
constellation
radio telescope
light year
spectroscope
a star pattern that appears to form images is used by astrono…
telescope that collects and magnifies radio waves
distance light travels in one year about 9.5 trillion km
device that disperses light into its component wavelengths us…
constellation
a star pattern that appears to form images is used by astrono…
radio telescope
telescope that collects and magnifies radio waves
10 terms
Chapter 24 Galaxies
distance ladder
Hubble classification
Hubble constant (H0)
Hubble law
The sequence of techniques used to determine the distances to…
A method of classifying galaxies as spirals, barred spirals,…
...
The empirical relationship stating that the redshifts of remo…
distance ladder
The sequence of techniques used to determine the distances to…
Hubble classification
A method of classifying galaxies as spirals, barred spirals,…
21 terms
chapter 31 stars and galaxies
Constellation
Radio Telescope
Light year
Spectroscope
Star pattern that appears to form images is used by atmospher…
telescope that collects and magnifies radio waves.
distance light travels in one tear about 9.5 trillion km
device that disperses light into its component wavelengths us…
Constellation
Star pattern that appears to form images is used by atmospher…
Radio Telescope
telescope that collects and magnifies radio waves.
47 terms
Chapter 8 Galaxies -- Science
Why are stars different colors?
How can scientists learn what stars ar…
How can we measure the distance betwee…
Why do stars seem to move across the s…
The Color of a star depends on it's temperature. Hot Stars ar…
Scientists use the spectrum of a star to identify its composi…
Astronomers use parallax and math to measure distances from E…
Stars appear to move because of Earth's rotation. However, th…
Why are stars different colors?
The Color of a star depends on it's temperature. Hot Stars ar…
How can scientists learn what stars ar…
Scientists use the spectrum of a star to identify its composi…
25 terms
~Chapter 1~ Galaxies
What are galaxies?
What is a Milky Way?
What is a spiral galaxy?
Milky Way
A galaxy is a God made system in outer-space that has countle…
The Milky Way is the galaxy that has the Solar System.
A different name for the Milky Way.
What are galaxies?
A galaxy is a God made system in outer-space that has countle…
What is a Milky Way?
The Milky Way is the galaxy that has the Solar System.
25 terms
Chapter 27 Stars and Galaxies
absolute magnitude
apparent magnitude
big bang model
black hole
How the star would appear if it was seen from a distance of 3…
The measure of how bright a star appears to be to an observer…
The theory holding that the universe originated from the inst…
The final life stage of an extremely massive star, with a gra…
absolute magnitude
How the star would appear if it was seen from a distance of 3…
apparent magnitude
The measure of how bright a star appears to be to an observer…
16 terms
Chapter 30: Galaxies and the Universe
Variable Star
RR Lyrae Variable
Cephied Variable
Halo
star in the giant branch of the Hertzsprung-Russell diagram t…
stars with pulsation periods ranging from 1.5 hours to 1 day,…
have pulsation periods between 1 and 100 days and the luminos…
around the nuclear bulge and the disk
Variable Star
star in the giant branch of the Hertzsprung-Russell diagram t…
RR Lyrae Variable
stars with pulsation periods ranging from 1.5 hours to 1 day,…
71 terms
TOP8, Chapter 13
learn, learnt, learnt the ropes
a rope
a nationality
Irish
oppia tekemään jotakin
köysi
kansallisuus
irlantilainen
learn, learnt, learnt the ropes
oppia tekemään jotakin
a rope
köysi
19 terms
Chapter 10 - The Universe and Galaxies
Celestial Bodies
Astronomers
Galaxy
Types of galaxies
objects found in space
people who study space and objects in space
A collection of stars, gases, and dust
spiral, elliptical, and irregular
Celestial Bodies
objects found in space
Astronomers
people who study space and objects in space
12 terms
ASTRONOMY FINAL- CH 13 galaxies
Subject of Shapley-Curtis debate? Stud…
Location of Sun in Milky Way; how was…
Wavelengths other than visible do astr…
How did we find out the mass of the Mi…
Shapley= spiral nebulae in our galaxy... Curtis= they're island…
26,000 light years away from center; found using Cepheid vari…
Infrared
Kepler's 3rd law estimates it is 10^12 M•
Subject of Shapley-Curtis debate? Stud…
Shapley= spiral nebulae in our galaxy... Curtis= they're island…
Location of Sun in Milky Way; how was…
26,000 light years away from center; found using Cepheid vari…
23 terms
Chapter 24 Galaxies
Hubble classification scheme
spiral galaxy
barred-spiral galaxy
elliptical galaxy
method of classifying galaxies according to their appearance,…
galaxy composed of a flattened, star-forming disk component w…
spiral galaxy in which a bar of material passes through the c…
category of galaxy in which the stars are distributed in an e…
Hubble classification scheme
method of classifying galaxies according to their appearance,…
spiral galaxy
galaxy composed of a flattened, star-forming disk component w…
5 terms
Chapter 17: galaxies
Spiral galaxy
Elliptical galaxy
What did Hubble do?
Hubble's law
- have 2 or more arms winding out from center... - Milky way is…
- have a smooth, featureless appearance... -Have no disk or arms…
Noticed the redshift was larger for dimmer (more distant) gal…
Relates recession velocity and distance.... V = Hd... H: Hubble's c…
Spiral galaxy
- have 2 or more arms winding out from center... - Milky way is…
Elliptical galaxy
- have a smooth, featureless appearance... -Have no disk or arms…
41 terms
Section 13: Stars, Galaxies, & the Universe
Electromagnetic spectrum
The color of stars indicates what?
Red stars
blue stars
the temperature of the star
the coolest
the hottest
Electromagnetic spectrum
The color of stars indicates what?
the temperature of the star
16 terms
Chapter 5 "Stars and Galaxies"
Fusion
Magnitude
Absolute Magnitude
Light-Year
Process by which particles combine to form a new particle
Brightness of a star
How bright a star actually is
Distance that light travels in one year
Fusion
Process by which particles combine to form a new particle
Magnitude
Brightness of a star
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