WorksheetsGalaxies Quizizz
Total questions: 52
Worksheet time: 26mins
The hypothesis that states that large galaxies like the Milky Way Galaxy formed by way of gravitational collapse from a single, turbulent, large gas cloud, is called:
Side to side hypothesis
Neolithic collapse
The top-down hypothesis
The bottom-up hypothesis
The hypothesis that states large galaxies like the Milky Way Galaxy formed from the combinations of small galaxies and star clusters, is called the:
The bottom-up hypothesis
The top-down hypothesis
Monolithic collapse
Side to side hypothesis
The iron in your blood and the calcium in your bones all originally came from:
The life and death of massive stars
White dwarfs
Black holes
Dark matter
If you venture outside and see a band of light, the Milky Way, on a dark night, then you know you are:
Looking out of the plane of the Milky Way Galaxy
Seeing things
None of these answers is correct
Looking within the plane of the Milky Way Galaxy
Looking perpendicular to the plane of the Milky Way Galaxy
Stars orbiting in the plane in the galaxy are located where?
In the central bulge
In the disk of the galaxy
In the halo
In the spherical component
Our galaxy's supermassive black hole is located where?
In the dark matter around the halo
In the nucleus
In the galactic corona
In the disk of the galaxy
In the halo
The Milky Way is what kind of galaxy?
A barred spiral galaxy
A ring galaxy
A elliptical galaxy
An irregular galaxy
A lenticular galaxy
The center of our galaxy is known as the:
Corona
Disk
Nucleus
Halo
Concentrations of gas and dust extending from the center of a galaxy in a pinwheel shape are termed:
Galactic coronas
Spiral arms
Disks
Galactic disks
Halos
An apparent change in the frequency of a wave caused by the motion of the observer or source emitting the wave is known as a:
Radio shift
Doppler shift
Spiral shift
Hydrogen shift
The sun's orbital period around the center of our galaxy is:
Approximately 200 thousand years
Over 200 billion years
About 365 days
Over 200 million years
About 24 hours
Matter that is invisible, located in the galactic corona, which gives our galaxy a lot of mass is termed:
Light matter
Red matter
Dark matter
Open matter
Cluster matter
The time it takes for the sun to revolve around the center of the Milky Way Galaxy is known as the:
Terrestrial year
Earth year
Solar system year
Galactic year
Universal year
Edwin Hubble classified galaxies based on:
Their shape and appearance
Their color
The volume of space they took up
Their electromagnetic spectrum
Their mass
A galaxy that shines brightly as a results of a rapid and sudden burst of star formation is known as a:
Smarties galaxy
Snickers galaxy
Sweetarts galaxy
Skittles galaxy
Starburst galaxy
The absorption of small galaxies by larger ones is called:
Starbursting
A galactic tide
Top down hypothesis
Galactic cannibalism
Bottom up hypothesis
What is the name of the nearby galaxy that is moving towards us?
The Milky Way
The Paleadise Galaxy
The Andromeda Galaxy
The Crab Nebula
Our Milky Way Galaxy likely formed:
By cannibalizing smaller galaxies
The collision of two spiral galaxies
By being absorbed into a larger lenticular galaxy
The collision of two elliptical galaxies
A large but isolated collection of stars, interstellar gas and dust, star clusters, and nebulae that orbit around a common center of mass is called a:
Collection of filaments and voids
Universe
Galaxy
Multiverse
Solar system
In order to accurately determine the distance to another galaxy, you must look for ___________ within that galaxy.
Type II supernovae
emission nebulae
cepheid variable stars
gamma ray bursts
Measuring the orbital velocity of stars at the galaxy's edge can help astronomers infer the _______________ of the Milky Way
size
temperature
mass
momentum
What is a star that changes in brightness because it expands and contracts regularly?
pulsar
cepheid variable
eclipsing binary
white dwarf
The amount of time for a single Cepheid variable cycle to occur (peak brightness to peak brightness) is called a:
luminosity ratio
brightness pattern
period
solar cycle
The amount of radiation emitted by an object, such as a star
luminosity
luster
temperature
brightness
To get an accurate measurement of distance
To measure the speed of light
To determine the composition of the Sun
To figure out the age of the universe
Cepheid Variable stars with higher luminosities have a ________ period between pulses than dimmer ones.
longer
shorter
the same
brighter
Clusters of clusters of galaxies are called:
Superclusters
Regular clusters
Open cluster
Globular clusters
Rich clusters
A cluster containing over a thousand galaxies is called a(n):
Irregular cluster
Elliptical cluster
Regular cluster
Rich cluster
Poor cluster
The name for the cluster of a few dozen galaxies that includes the Milky Way Galaxy is:
The Local Cluster
The Milky Way Cluster
The Milky Way Group
The Local Group
The Supercluster
A cluster containing less than a thousand galaxies is called a(n):
Poor cluster
Irregular cluster
Regular cluster
Globular cluster
Rich cluster
A spherically shaped cluster is best termed as a(n):
Irregular cluster
Rich cluster
Open cluster
Regular cluster
Poor cluster
This is the process where a powerful source of gravity (a gravitational field) stemming from a massive object distorts the light from a distant object in such a way as to produce multiple images of the distant object or make the distant object appear brighter than it actually is
Supernovae explosion
Gravitational lensing
Helium fusion
Starburst
None of these answers are correct
Which of these would be more likely to bend light more than all the others?
A star the size of our sun
A galaxy
A red giant
The moon
Our Earth
Nonluminous matter is also called:
Light energy
Visible matter
Dark matter
Dark energy
What's the matter?
Primary distance indicators include:
Globular cluster
Cluster of galaxies
Cepheid variables
Galaxies
Supernovae
Distances to objects in the solar system, like the planets, can be found using:
the Tully-Fisher relation
Radar ranging
Cepheids
HII regions
Supernovae
Decode the meaning of this: 70 km/s/Mpc.
For every km to a galaxy, the galaxy's speed away from us will increase by 70 Mpc/second
For every megaparsec to a galaxy, the galaxy's speed toward us will increase by 70 seconds/km
For every megaparsec to a galaxy, the galaxy's speed away from us will increase by 70 kilometers/second
For every 70 km/s to a galaxy, the galaxy's speed away from us will increase by 70 Mpc
Our universe is:
Shrinking
We don't know if it's changing or staying the same size
Staying the same size
Expanding
The Hubble Law is:
An inverse relationship between a galaxy's velocity of recession and its mass
A direct relationship between a galaxy's velocity of recession and its distance
A direct relationship between a galaxy's velocity of recession and its mass
An indirect relationship between a galaxy's velocity of recession and its distance
An inverse relationship between a galaxy's velocity of recession and its distance
A galaxy twice as far away is moving away ___as fast:
Three times
Four times
Half
Twice
Five times
The Hubble constant is about:
70 km/Mpc
70 km/s
70 Mpc/s/km
70 km/s/Mpc
70 s/Mpc
When sunlight is split by a prism or diffraction grating it appears to emit a ___ spectra.
absorption
dark-line
continuous
bright-line
Upon closer examination, sunlight (and all stars) actually emit ___ spectra.
bright-line (or emission)
absorption (or dark-line)
continuous
multiple
The analysis of the way matter emits and absorbs radiation is called ___.
astronomy
chemistry
spectroscopy
atomic theory
Each element on the periodic table can be identified by its
classification as a solid, liquid or gas.
location on the table.
ability to react to form compounds.
unique spectral "fingerprint."
Emission spectra emitted by an element (or compound) will produce ___ through a spectroscope.
bright lines
a continuous rainbow
dark lines
white light
If an object like a star is moving away from Earth, the spectral lines are observed to be
smaller or thinner & red-shifted.
smaller or thinner & blue-shifted.
wider or broader & blue-shifted.
wider or broader & red-shifted.
Spectral lines that are observed to be narrower & blue-shifted indicates that an object is
moving away from Earth.
showing transverse motion.
moving towards Earth.
showing radial motion.
