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Study sets matching "ch21 science galaxies universe"

44 terms
Earth Science Chapter 21 (Stars, Galaxies, and the Universe)
telescope
electromagnetic radiation
visible light
wavelength
a device that makes distant objects appear closer
energy that can travel through space in the form of waves
light that you can see
the distance between the crest of one wave to another
telescope
a device that makes distant objects appear closer
electromagnetic radiation
energy that can travel through space in the form of waves
33 terms
Chapter 21 Stars, galaxies, and the universe
Telescope
Refracting telescope
Reflecting telescope
Observatory
a device that gathers and focuses distant light to make objec…
uses convex lenses to gather and focus light
uses a curved mirror to gather and focus light
a building that contains one or more telescopes
Telescope
a device that gathers and focuses distant light to make objec…
Refracting telescope
uses convex lenses to gather and focus light
44 terms
Earth Science Chapter 21 (Stars, Galaxies, and the Universe)
telescope
electromagnetic radiation
visible light
wavelength
a device that makes distant objects appear closer
energy that can travel through space in the form of waves
light that you can see
the distance between the crest of one wave to another
telescope
a device that makes distant objects appear closer
electromagnetic radiation
energy that can travel through space in the form of waves
36 terms
Earth Science Chapter 21 (Stars, Galaxies, and the Universe)
telescope
electromagnetic radiation
visible light
wavelength
a device that makes distant objects appear closer
energy that can travel through space in the form of waves
light that you can see
the distance between the crest of one wave to another
telescope
a device that makes distant objects appear closer
electromagnetic radiation
energy that can travel through space in the form of waves
52 terms
Chapter 21 Stars, galaxies, and the universe
Telescope
Refracting telescope
Reflecting telescope
Radio telescope
a device that gathers and focuses distant light to make objec…
uses convex lenses to gather and focus light
uses a curved mirror to gather and focus light
telescope that does not use optics
Telescope
a device that gathers and focuses distant light to make objec…
Refracting telescope
uses convex lenses to gather and focus light
40 terms
Earth Science Chapter 21 (Stars, Galaxies, and the Universe)
telescope
electromagnetic radiation
visible light
wavelength
a device that makes distant objects appear closer
energy that can travel through space in the form of waves
light that you can see
the distance between the crest of one wave to another
telescope
a device that makes distant objects appear closer
electromagnetic radiation
energy that can travel through space in the form of waves
52 terms
Chapter 21 Stars, galaxies, and the universe
Telescope
Refracting telescope
Reflecting telescope
Radio telescope
a device that gathers and focuses distant light to make objec…
uses convex lenses to gather and focus light
uses a curved mirror to gather and focus light
telescope that does not use optics
Telescope
a device that gathers and focuses distant light to make objec…
Refracting telescope
uses convex lenses to gather and focus light
48 terms
Chapter 21 Stars, galaxies, and the universe
Telescope
Refracting telescope
Convex lens
Reflecting telescope
a device that gathers and focuses distant light to make objec…
uses convex lenses to gather and focus light
lens that is thicker in the middle than the edges
uses a curved mirror to gather and focus light
Telescope
a device that gathers and focuses distant light to make objec…
Refracting telescope
uses convex lenses to gather and focus light
20 terms
Chapter 21 - Stars, Galaxies, and the Universe
electromagnetic radiation
visible light
wavelength
spectrum
form of energy that includes light, heat, ultraviolet, infrar…
light you can see
distance between the crest of one wave to the next
range of different colors and wavelengths when you shine ligh…
electromagnetic radiation
form of energy that includes light, heat, ultraviolet, infrar…
visible light
light you can see
44 terms
Stars, Galaxies, and the Universe- Chapter 21
telescope
electromagnetic radiation
visible light
wavelength
a devise that makes distant objects appear to be closer
energy that can travel through space in the form of waves
the light that you can see
the distance between the crest of one wave and the crest of t…
telescope
a devise that makes distant objects appear to be closer
electromagnetic radiation
energy that can travel through space in the form of waves
22 terms
Chapter 21: Stars Galaxies and the Universe
Refracting telescope
Reflecting telescope
Radio telescope
Space telescope
Uses convex lenses to make faint things brighter and larger
Uses a curved mirror to collect and focus light to see distan…
Picks up radio waves from space can be up to 1000 ft across
A satellite in orbit around the earth used to look at distant…
Refracting telescope
Uses convex lenses to make faint things brighter and larger
Reflecting telescope
Uses a curved mirror to collect and focus light to see distan…
44 terms
Earth Science Chapter 21 (Stars, Galaxies, and the Universe)
telescope
electromagnetic radiation
visible light
wavelength
a device that makes distant objects appear closer
energy that can travel through space in the form of waves
light that you can see
the distance between the crest of one wave to another
telescope
a device that makes distant objects appear closer
electromagnetic radiation
energy that can travel through space in the form of waves
19 terms
Science Chapter 21: Stars Galaxies and the Universe
Electromagnetic Spectrum
What color are the coolest stars?
What color are the warmest stars?
Apparent Brightness
The entire range of radio waves, infrared radiation, visable…
Red
Blue
Brightness as seen from Earth
Electromagnetic Spectrum
The entire range of radio waves, infrared radiation, visable…
What color are the coolest stars?
Red
13 terms
Chapter 21: Stars, Galaxies, & the Universe Vocabulary
Telescope
Electromagnetic radiation
Visible light
Wavelength
a device that makes distant objects appear to be closer
energy that can travel through space in the form of waves
light you can see
the distance between the crest of one wave and the crest of a…
Telescope
a device that makes distant objects appear to be closer
Electromagnetic radiation
energy that can travel through space in the form of waves
61 terms
Science Test Stars, Galaxies, and the universe Chapter 21
telescope
electromagnetic radiation
visible light
wavelength
a device that makes distant objects appear closer, they are i…
( light is a form of it) means energy that can travel through…
the light we can see
the distance between the crest of one wave and the crest of t…
telescope
a device that makes distant objects appear closer, they are i…
electromagnetic radiation
( light is a form of it) means energy that can travel through…
29 terms
Chapter 21- Stars, Galaxies, and the Universe
Electromagnetic Radiation
Radio Telescope
Refracting Telescope
Reflecting Telescope
Energy that can travel through space in the form of waves
A telescope that detects radio waves
A telescope that detects light waves using a covex lense
A telescope that detects light waves using a curved mirror
Electromagnetic Radiation
Energy that can travel through space in the form of waves
Radio Telescope
A telescope that detects radio waves
chapter 21 Stars, Galaxies and the Universe
telescope
electromagnetic radiation
visible light
wavelength
A device built to observe distant objects by making them appe…
a form of energy that exhibits wavelike behavior as it travel…
Electromagnetic radiation that can be seen with the unaided eye
Horizontal distance between the crests or between the troughs…
telescope
A device built to observe distant objects by making them appe…
electromagnetic radiation
a form of energy that exhibits wavelike behavior as it travel…
15 terms
Chapter 21: Stars Galaxies and the Universe
Nebula
Protostar
White dwarfs
Supernova
Is a large cloud of ash and dust spread out in a immense volume
A star in its earliest stages
The blue white core of the star that is ... left behind
A event that occurs when a huge star explodes
Nebula
Is a large cloud of ash and dust spread out in a immense volume
Protostar
A star in its earliest stages
52 terms
Chapter 21: Stars, Galaxies, & the Universe
Telescope
2 main things telescopes do
six types of telescopes
Observatories
a device that makes distant objects appear to be closer
magnify and brighten
optical, radio, xray, gama ray, ultra violet, infrared
a building that contains one or more telescopes
Telescope
a device that makes distant objects appear to be closer
2 main things telescopes do
magnify and brighten
35 terms
Chapter 21 Stars, Galaxies, and the Universe Vocabulary
energy that travels through space in t…
Electromagnetic radiation that can be…
the horizontal distance between the cr…
range of wavelengths of electromagneti…
electromagnetic radiation
visible light
wavelength
spectrum
energy that travels through space in t…
electromagnetic radiation
Electromagnetic radiation that can be…
visible light
44 terms
Ch 21: Stars, Galaxies, & The Universe
telescope
visible light
wavelength
spectrum
device that makes distant objects appear closer
electromagnetic waves that are visible to the human eye
The distance between crests of waves, such as those of the el…
wavelengths of visible light that are separated when a beam o…
telescope
device that makes distant objects appear closer
visible light
electromagnetic waves that are visible to the human eye
56 terms
Prentice Hall Earth Chapter 21: Stars, Galaxies and the Universe
Telescope
Refracting telescope
Reflecting telescope
Radio telescope
a device that makes distant objects appear closer
uses convex lenses to gather and focus light
uses a curved mirror to gather and focus light
telescope that does not use optics
Telescope
a device that makes distant objects appear closer
Refracting telescope
uses convex lenses to gather and focus light
44 terms
Chapter 21 Starts, Galaxies, and the Universe Vocab
Telescope
Electromagnetic Radiation
Visible Light
Wavelength
A device that makes distant objects appear to be closer
Energy that can travel through space in the form of waves
The light you can see
The distance between the crest of one wave & the crest of the…
Telescope
A device that makes distant objects appear to be closer
Electromagnetic Radiation
Energy that can travel through space in the form of waves
44 terms
Ch 21: Stars, Galaxies, & The Universe
telescope
visible light
wavelength
spectrum
device that makes distant objects appear closer
electromagnetic waves that are visible to the human eye
The distance between crests of waves, such as those of the el…
wavelengths of visible light that are separated when a beam o…
telescope
device that makes distant objects appear closer
visible light
electromagnetic waves that are visible to the human eye
12 terms
Ch 21 Stars, Galaxies, and the Universe - 21.4 Star Systems and Galaxies
binary star
eclipsing binary
open clusters
globular clusters
a star system with two stars
a binary star system in which one star periodically blocks th…
star cluster with a loose, disorganized appearance and contai…
large groupings of older stars; round and densely packed with…
binary star
a star system with two stars
eclipsing binary
a binary star system in which one star periodically blocks th…
34 terms
Earth Science - Ch 21 -Stars, Galaxies, & the Universe
CONSTELLATION
VISIBLE LIGHT
ELECTROMAGNETIC RADIATION
WAVELENGTH
A pattern of stars in the sky.
Electromagnetic radiation that can be seen with the unaided e…
Energy that travels through space in the form of waves.
The horizontal distance between two wave crests or troughs.
CONSTELLATION
A pattern of stars in the sky.
VISIBLE LIGHT
Electromagnetic radiation that can be seen with the unaided e…
34 terms
Ch 21 Stars, Galaxies, and the Universe - 21.2-21.5
spectrograph
apparent brightness
absolute brightness
light year
An instrument that separates light into colors and makes an i…
the brightness of a star as seen from earth
the brightness a star would have if it were at a standard dis…
the distance light travels in one year
spectrograph
An instrument that separates light into colors and makes an i…
apparent brightness
the brightness of a star as seen from earth
29 terms
Ch 21 Stars, Galaxies, and the Universe
constellation
refracting telescope
universe
Hertzsprung Russell diagram
a pattern of stars in the sky
telescope that uses convex lenses to gather and focus light
all of space and everything in it
graph relating the temperature and brightness of stars
constellation
a pattern of stars in the sky
refracting telescope
telescope that uses convex lenses to gather and focus light
56 terms
Prentice Hall Earth Chapter 21: Stars, Galaxies and the Universe
Telescope
Refracting telescope
Reflecting telescope
Radio telescope
a device that makes distant objects appear closer
uses convex lenses to gather and focus light
uses a curved mirror to gather and focus light
telescope that does not use optics
Telescope
a device that makes distant objects appear closer
Refracting telescope
uses convex lenses to gather and focus light
11 terms
Ch 21 Stars, Galaxies, and the Universe
telescope
visible light
refracting telescope
reflecting telescope
device that makes distant objects appear closer
electromagnetic waves that are visible to the human eye
A telescope that uses convex lenses to gather and focus light
a telescope that uses a curved mirror to gather and focus lig…
telescope
device that makes distant objects appear closer
visible light
electromagnetic waves that are visible to the human eye
25 terms
Ch 21 Stars, Galaxies, and the Universe
telescope
visible light
spectrum
electromagnetic radiation
device that makes distant objects appear closer
electromagnetic waves that are visible to the human eye
wavelengths of visible light that are separated when a beam o…
energy that travels through space in the form of waves
telescope
device that makes distant objects appear closer
visible light
electromagnetic waves that are visible to the human eye
53 terms
Prentice Hall Earth Chapter 21: Stars, Galaxies and the Universe
Telescope
Refracting telescope
Reflecting telescope
Radio telescope
a device that makes distant objects appear closer
uses convex lenses to gather and focus light
uses a curved mirror to gather and focus light
telescope that does not use optics
Telescope
a device that makes distant objects appear closer
Refracting telescope
uses convex lenses to gather and focus light
67 terms
E. Science - Ch. #21- Stars, Galaxies, & the Universe
constellations
electromagnetic radiation
visible light
wavelength
Patterns of stars in the sky.
Energy that can travel directly through space in the form of…
Light you can see with your eyes and is part of the electroma…
The distance between the crest of one wave and the crest of a…
constellations
Patterns of stars in the sky.
electromagnetic radiation
Energy that can travel directly through space in the form of…
20 terms
Earth Science Chapter 30: Stars, Galaxies, and the Universe
Star
Doppler Effect
Light-Year
Parallax
A large celestial body that is composed of gas that emits light
An observed change in the frequency of a wave when the source…
The distance that light travels in one year
An apparent shift in the position of an object when viewed fr…
Star
A large celestial body that is composed of gas that emits light
Doppler Effect
An observed change in the frequency of a wave when the source…
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,…
12 terms
Ch 21 Stars, Galaxies, and the Universe - 21.4 Star Systems and Galaxies
binary star
eclipsing binary
open clusters
globular clusters
a star system with two stars
a binary star system in which one star periodically blocks th…
star cluster with a loose, disorganized appearance and contai…
large groupings of older stars; round and densely packed with…
binary star
a star system with two stars
eclipsing binary
a binary star system in which one star periodically blocks th…
16 terms
Earth Science 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,…
10 terms
Ch 21 Stars, Galaxies, and the Universe - 21.5 The Expanding Universe
age of the universe
big bang
Hubble's law
cosmic background radiation
13.7 billion years old
the theory that an enormous explosion created the universe; f…
states that the farther away a galaxy is, the faster it is mo…
the leftover thermal energy from the big bang
age of the universe
13.7 billion years old
big bang
the theory that an enormous explosion created the universe; f…
44 terms
Science Chapter 4, Stars, Galaxies, and the Universe Terms
telescope
electromagnetic radiation
visible light
wavelength
a device built to observe distant objects by making them appe…
energy that travels through space in the form of waves
electromagnetic radiation that can be seen with the unaided eye
the distance between the crest of one wave and the crest of t…
telescope
a device built to observe distant objects by making them appe…
electromagnetic radiation
energy that travels through space in the form of waves
44 terms
Ch 21 Stars, Galaxies, and the Universe
telescope
visible light
wavelength
spectrum
device that makes distant objects appear closer
electromagnetic waves that are visible to the human eye
The distance between crests of waves, such as those of the el…
wavelengths of visible light that are separated when a beam o…
telescope
device that makes distant objects appear closer
visible light
electromagnetic waves that are visible to the human eye
34 terms
Earth Science - Chapter 24 Vocabulary - Stars, Galaxies and the Universe
Constellation
Absolute Magnitude
Apparent Magnitude
Parallax
a distinct combination of stars; ... a group of stars that form…
a measure of the amount of light that a star actually emits.…
the brightness of a star when viewed from Earth
The apparent change in position of an object when seen from d…
Constellation
a distinct combination of stars; ... a group of stars that form…
Absolute Magnitude
a measure of the amount of light that a star actually emits.…
14 terms
Earth Science: The Galaxies and the Universe
How many stars are in the disk of the…
Which of the following did Hubble disc…
What are the oldest-known objects in t…
The smallest galaxies are called _____…
100 billion
Earth's universe is expanding.
globular clusters
dwarf ellipticals, giant ellipticals
How many stars are in the disk of the…
100 billion
Which of the following did Hubble disc…
Earth's universe is expanding.
12 terms
Ch 21 Stars, Galaxies, and the Universe - 21.4 Star Systems and Galaxies
binary star
eclipsing binary
open clusters
globular clusters
a star system with two stars
a binary star system in which one star periodically blocks th…
star cluster with a loose, disorganized appearance and contai…
large groupings of older stars; round and densely packed with…
binary star
a star system with two stars
eclipsing binary
a binary star system in which one star periodically blocks th…
12 terms
Ch 21 Stars, Galaxies, and the Universe - 21.4 Star Systems and Galaxies
binary star
eclipsing binary
open clusters
globular clusters
a star system with two stars
a binary star system in which one star periodically blocks th…
star cluster with a loose, disorganized appearance and contai…
large groupings of older stars; round and densely packed with…
binary star
a star system with two stars
eclipsing binary
a binary star system in which one star periodically blocks th…
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
Ch 21 Stars, Galaxies, and the Universe - 21.4 Star Systems and Galaxies
binary star
eclipsing binary
open clusters
globular clusters
a star system with two stars
a binary star system in which one star periodically blocks th…
star cluster with a loose, disorganized appearance and contai…
large groupings of older stars; round and densely packed with…
binary star
a star system with two stars
eclipsing binary
a binary star system in which one star periodically blocks th…
44 terms
Science 8 Chapter 15 - Stars, Galaxies, and the Universe
electromagnetic radiation
visible light
wavelength
spectrum
Energy that can travel through space in the form of waves.
Electromagnetic radiation that can be seen with the unaided e…
The distance between the crest of one wave and the crest of t…
The range of wavelengths of electromagnetic waves.
electromagnetic radiation
Energy that can travel through space in the form of waves.
visible light
Electromagnetic radiation that can be seen with the unaided e…
16 terms
Chapter 30 galaxies in the universe
Variable star
RR Lyrae variable
Cepheid Variable
Population 1 stars
stars that regularly or repeatedly change in magnitude
Stars with pulsation periods ranging from 1.5 hours to 1 day,…
A variable star that brightens and dims regularly, or pulses,…
gas and dust and bright blue stars are characteristics of:
Variable star
stars that regularly or repeatedly change in magnitude
RR Lyrae variable
Stars with pulsation periods ranging from 1.5 hours to 1 day,…
49 terms
Science Test: Chapter 24 ~ Stars, Galaxies, and the Universe
asterism
constellation
Johann Bayer
Modern Constellation System
an recognizable pattern of stars
one of the patterns of stars used to subdivide the heavens... -…
German astronomer who helped develop the modern system of sta…
-88 constellations... -each has a Latin name
asterism
an recognizable pattern of stars
constellation
one of the patterns of stars used to subdivide the heavens... -…
15 terms
Earth Science - Chapter 31 - Galaxies and the Universe
variable stars
RR Lyray variables
cepheid
halo
...
...
...
...
variable stars
...
RR Lyray variables
...
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