SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Cosmology
Start Test
Study First
Subject
:
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Small bulges - loosely wound - massive arms - arms have many H2 regions and look very lumpy
rotation curve=winding dilemma?
Magnification
Sc spiral galaxy
Big Crunch
2. Radiation given off by electrons accelerating in a magnetic field
cosmological red shift
Synchrotron Rotation
CCD
Supercluster
3. The universe is isotropic - homogeneous - and without beginning or end in time and space. If the universe is truly homogeneous then every line of sight will eventually end on a galaxy. If it has existed forever then there has been enough time for lig
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
4. Mercury - Venus - Earth - Mars
Terrestrial Planets
Geocentric
If it is in a denser medium - such as glass - it will move slower
Dark matter candidates
5. A long-lived high-pressure bulge in Jupiter's southern hemisphere
Rich vs poor clusters
Geocentric
meteor
great red spot
6. In Ptolemy's geocentric solar system - the large circle on which a planet's epicycle moved around the Earth.
greehouse effects
Largest diameter
Meridian
deferent
7. The opaque universe that existed for 300000 years after the Big Bang. (photons outnumbered nuclei by 1 billion to one - so less light)
Red Giant Branch Star
Nowhere visible to us. If there are higher dimension then the center would be visible to someone who lives in one. If there are no higher dimensions then the center does not exist.
Main Sequence
radiation dominated universe
8. The average distance between the Earth and the Sun (=1.5 x10^8km)
Color Index
blazar
Hydrostatic Equilibrium
Astronomical Unit
9. Is there water on the moon?
Wein's Law
Yes - frozen at the poles- remains protected from the suns rays
Cepheid Variable
Kirkwood gaps
10. The process similar to conduction by which energy moves from the solar core to the convective layer
Ionization
Cosmological Principle
Radiative Diffusion
Instability strip
11. The 'edge' of the universe. Light beyond this has not reached us yet.
AGN
Winter Solstice
direct motion
partile horizon
12. Stars fromt he Halo that have drifted into the disk. as earth zooms past them in a faster orbit they appear to be going backward very fast
anorthosite
accretion
High Velocity Stars
Observations of distant type Ia supernovae indicate that the expansion of the universe is speeding up with time - not slowing down! So there must be a force causing this.
13. The amount an image is enlarged by a telescope
Magnification
Enke gap
self-propagating star formation
Roundest orbit
14. A huge sphere of tenuous gas surrounding the nucleus of a comet
Milky way Galaxy
Spectroscopic parallax
coma
Colestial Pole
15. A force exerted by reflecting sunlight
radiation pressure
Atomic Number
Titus-Bode Law
Plague
16. Light-colored high-pressure bands in Jupiter's atmosphere
zone
Extrasolar Planet
Thermonuclear Fusion
Photon
17. The organization of clusters of galaxies into sheets and strings
Supercluster
Superior planets
Parallax
Pixel
18. A particle of light
Lagrangian Razor
Gamma-ray Burst
Photon
Main Sequence
19. The powdered stone fragments that make up the lunar 'soil'
Red Giant Branch Star
quasar
Celestial Equator
regolith
20. The rock that makes up the lunar highlands
Yes - frozen at the poles- remains protected from the suns rays
Pulsar
tectonics of Earth
anorthosite
21. A long-lived high-pressure bulge in Jupiter's southern hemisphere
Light Gathering Power
great red spot
gravity
Planck time
22. Small moons that maintain the shape of rings around Saturn and Uranus
Shepherd satellite
Void
fusion crust
MOONS: largest size
23. Sc galaxies
critical density
Wein's Law
Flocculent spirals
Nucleus
24. The fusion process that turns three helium nuclei into a carbon nucleus
Gamma-ray Burst
Seeing
Triple Alpha rocess
Cassini division
25. The faint glow of light left over from the Big Bang. cosmic microwave background are the photons that remain after the big bang that have not turned into matter.
We don't know. It might be but does not have to be.
Liquid metallic hydrogen
CMB
MOONS: thickest atmosphere
26. The fate of the universe if it is closed. The universe expanding as much as possible and then retracting
Sa spiral galaxy
reflection star clusters
Celestial Sphere
Big Crunch
27. Population 1- similar to the sun and 2% of elements are metal - Population 2- formed before gas was metal- only a fraction of mass is metal.
Supernova (You can be my supernova girl)
Heliocentric
Population 1 vs Population 2 stars
Primary Mirror
28. 1-orbit aroudn the sun 2- are in hydrostatic equilibrium and 'mostly round' 3- have not cleared debris around its orbit 4- are not satellites
Molecular Clouds
Flat - Flat
Dwarf planets
synchrotron radiation
29. A measure of the force of gravity on an object
Cepheid variables
Nucleus
weight
Electromagnetic Radiation
30. When massive objects bend space and time enough to create multiple images of an object located behind them
Gravitational Lens
OB Associations
accretion disk
difference between maria and highlands of the moon.
31. The mix of pure photon energy that emerged at the start of the universe.
cosmic fireball
Trojan asteroids
Shepherd satellite
interstellar dust
32. Small compact stars called white dwarfs can have material deposited on their surfaces. In time material heats up and explodes in surface nuclear reaction- star brightens - settles - repeats.
Total Eclipse
Chandrasekhar Limit
nova
Spectroscopic Parallax
33. The north-south line passing directly overhead through the zenith.
contrast northern lowlands and the southern highlands of mars...
Coldest surface
greehouse effects
Meridian
34. The part of the Milky way that has on-going star formation
Electromagnetic Radiation: Ultraviolet Light
Earth resurfaces itself due to erosion and plate tectonics - while the moon has neither.
Ole Roemer
Disk
35. The shadow behind the Earth or Moon where the Sun is partially obscured.
Penumbra
Halo
Trojan asteroids
retrograde motion
36. The lens that gathers the light in a refractor
Objective Lens
Sb spiral galaxy
planetary nebula
Electromagnetic Radiation: Ultraviolet Light
37. The dark - relativley smooth areas on the moon; Latin for sea
Maria
Largest diameter
Ole Roemer
Ganymede (Jupiter)
38. What causes the zones and belts on jupiter and saturn?
High and low pressure which stretch into bands due to the rapid differential rotation. deeper - darker colors are in the belts and zones are lighter
Cassegrain Focus
weight
Active Optics
39. 1μm 100 nm
Black Hole
differential rotation
Electromagnetic Radiation: Visible Light
The Big Bang Theory
40. Large nebula consisting of very cold gas and dust
Molecular Clouds
3 reasons we orbit satellites to observe universe
chemical differentiation
tectonics of Venus
41. The layer of the sun just above the photosphere
Chromosphere
Globular Cluster
reflection star clusters
Sb spiral galaxy
42. Thick rigid crust - no longer has plate tectonics but still has convective hot spots that create earth-like volcanoes except that last for billions of years because of lack of tectonics.
Electromagnetic Radiation: Microwave
zone
tectonics of Mars
tectonics of Earth
43. A particle of light
Photon
Seyfert galaxy
Triple Alpha rocess
anorthosite
44. Small moons that maintain the shape of rings around Saturn and Uranus
Shepherd satellite
shape and color of SPIRAL galaxies
Total Eclipse
Drake equation
45. Formed rapidly - collapsed slower into disk shape - star birth rate is low but lasts longer and ongoing - contain higher mass blue stars.
Dark matter is located at center of clusters - pulling the cluster members into faster orbits--dark matter gravity keeps objects in galxies bound.
Electromagnetic Radiation: X-Ray
synchrotron radiation
shape and color of SPIRAL galaxies
46. Jupiter
fastest rotation
Light Pollution
Metals
Flat - Remain Parallel - Exactly 1
47. The sinking of denser elements to the center of a young molten planet
chemical differentiation
inferior planets
Cosmic Microwave Background
retrograde motion
48. Ganymede and Titan
acceleration
MOONS: larger than mercury
AGN
Ionization
49. Collections of young - hot stars
Proton-proton chain
Dwarf planets
OB Associations
most moons
50. A small chunk of rock in space
Grand design spirals
Sunspot cycle
meteoriod
White Dwarf