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. The process similar to conduction by which energy moves from the solar core to the convective layer
Spectroscopic parallax
Radiative Diffusion
interstellar dust
Red Giant
2. Highlands: rocks are made of lighter anorthosite (similar to old earth rocks) Maria: rocks made of heavy mare basalt (volcanic rock) everywhere else is loose regolith created by meteoric impact.
meteor shower
difference between maria and highlands of the moon.
Atomic Number
meteor
3. Radiation emitted when charged particles spiral rapidly in a magnetic field. come off of jets from black holes.
mare basalt
Differential Rotation
synchrotron radiation
tectonics of Earth
4. The 11 or 22 period on the sun durin which sunspots increase - decrease - change polarity - increase and decrease again.
Light Gathering Power
Sunspot cycle
Population 1 vs Population 2 stars
greehouse effects
5. Theory virtually demands that the geometry of the universe be ______. Results of measuring lumps in the cosmic background radiation indicate that the universe geometry is ________.
Flat - Flat
quasar
Kuiper belt
Asymptotic giant Branch Star
6. Neptune or uranus
Bulge
Coldest surface
Light-Year
In an expanding universe all galaxies see all other galaxies that are not gravitationally bound to them receding away. This is what we see in the Hubble Law. We infer that the Hubble law also holds true for all other galaxies.
7. Radiation (possibly left over from the big bang) that fills the universe. Perfect black body spectrum and tells us a bit aout how galaxies are formed.
Cosmic Microwave Background (CMB)
High Velocity Stars
Radiative Diffusion
Poor Cluster
8. Venus
Sa spiral galaxy
radio galaxy
Eclipses of the Moons of Jupiter
Thickest atmosphere
9. IO
mapping the structure of Milky Way disk
Electromagnetic Radiation: Infrared
AGN
MOONS: most geologically active
10. When particles are compressed to an unnatural state where their pressure is not related to their temperature
Degeneracy
OB Associations
meteoriod
nova
11. The state of having a balance between inflowing and outflowing heat-- the temp at every radial point is different but constant
Thermal Equilibrium
critical density
Oort Cloud
Sc spiral galaxy
12. The rotation period of the Earth measured relative to the stars.
Sidereal Day
comet
great red spot
Electromagnetic Radiation: Visible Light
13. The process that powers the sun and hydrogen bombs
Thermonuclear Fusion
disk
Ecliptic
Chandrasekhar Limit
14. The apparent path of the Sun through the stars on the celestial sphere.
greatest elongation
Heliocentric
Ecliptic
Dark Matter
15. Young clusters in disk are irregularly shaped since they have no time to relax into the rounder relaxed shape of globular clusters-will constantly be torn apart and assimilated.
open star clusters
Gamma ray bursts
plate tectonics
meteorite
16. A term referring to Earth-like planets
MOONS: larger than mercury
planetary nebula
terrestrial planet
open star clusters
17. Extremely round - lots of liquid water - ice rafts on surface ACTIVE SURFACE
Colestial Pole
molecular clouds
Population 1 vs Population 2 stars
Europa (Jupiters moon)
18. The rock that makes up the lunar maria
Dark Nebula
density parameter
mare basalt
Disk
19. Why do Galaxies move very rapidly in the interiors of the dense clusters?
Heliocentric
MOONS: most geologically active
hottest surface
Dark matter is located at center of clusters - pulling the cluster members into faster orbits--dark matter gravity keeps objects in galxies bound.
20. The wavelengths where a specific element can absorb or emit light.
Dark matter is located at center of clusters - pulling the cluster members into faster orbits--dark matter gravity keeps objects in galxies bound.
Ecliptic
Spectral Lines
highlands
21. The location in the Milky Way where stars orbit like a solid wheel
meteorite
open star clusters
Bulge
radiation dominated universe
22. What do we think the actual fate of the universe will be and why do we think this?
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.
force
Oort Cloud
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.
23. A technique using computer-controlled mirrors to sharpen images distorted by the atmosphere
Spectral Lines
Geocentric
Active Optics
Light: travels like a wave - detected like a particle
24. Dying large-mass stars lose their outer layers in a violent explosion creating large - chaotic remnants. these brighten like nova but are so much brighter and only occur ONCE PER STAR
rotation curve = dark matter?
supernova
Apollo asteroids
Globular Cluster
25. A push or a pull
Terrestrial Planets
force
terrestrial planet
Triple Alpha rocess
26. The high- temperatature outer layer of the sun
Objective Lens
Kirchhoff's Law
Corona
Halo
27. An evolved star - past the helium flash that is burning helium to carbon in it's cores
Horizontal Branch Star
Cepheid variables
Make up of the terrestrial planets
Dark matter is located at center of clusters - pulling the cluster members into faster orbits--dark matter gravity keeps objects in galxies bound.
28. A particle of light.
reflection star clusters
Light-Year
Photon
Secondary Mirror
29. The movement of the Earth's crustal plates riding on top of the mantle.
plate tectonics
anorthosite
Jupiters red spot
Electromagnetic Radiation: X-Ray
30. A bridge of material held in position above the solar surface. They can remain for hours even days
weight
Prominence
quasar
meteor
31. Mercury
Precession
radiant
smallest diameter
Io (jupiters moon)
32. The temp at which a substance in the vacuum of space solidifies
Gravitational Lens
condensation temperature
Photometry
thinnest atmosphere
33. A star fusing hydrogen to helium in it's core
Main Sequence Stars
Jovian Planets
CNO Cycle
Dwarf planets
34. Collections of young - hot stars
difference between maria and highlands of the moon.
OB Associations
Cosmic Microwave Background (CMB)
MOONS: largest size
35. Clouds of low density gas often found glowing faintly on either side of an AGN.
radio lobe
belt
Enke gap
gravity
36. A term referring to Jupiter-like planets
jovian
Negative - Diverge - Less than 1
Perihelion
Absorption Spectrum
37. 1μm 100 nm
Electromagnetic Radiation: Visible Light
fusion crust
meteoriod
MOONS: largest size
38. The name for the only seriously considered theory of the universe.
3 reasons we orbit satellites to observe universe
Olber's paradox
Europa (Jupiters moon)
Big Bang
39. The name for the only seriously considered theory of the universe.
Ammonia - methane - and water
Big Bang
Focal Plane
Instability strip
40. Sc galaxies where star formation and destruction is so rapid that supernova explosions are mainly responsible for compressing gas to create new stars.
Flare
self-propagating star formation
Cosmic Microwave Background
Ammonia - methane - and water
41. Form honeycomb like patterns surrounding empty or nearly empty voids.
terrestrial planet
superclusters
AGN
Ole Roemer
42. A telescope that uses lenses to focus light
solar nebula
Refractor
Annular Eclipse
Void
43. When one side of a body always faces the planet it revolves around
synchronous rotation
Cepheid Variable
Self-Propogating Star Formation
Resolving Power
44. Rich= dense crowded cores of galaxies - poor= few members and a looser organization of galaxies
condensation temperature
Total Eclipse
Rich vs poor clusters
Heliocentric
45. Possible Fates of the Universe
Electromagnetic Radiation: Gamma Ray
AGN
Sc spiral galaxy
Gravity only pulls matter back together. Therefore - if gravity is the only force that operates on cosmic scales then the expansion of the universe should decrease with time. The critical density is the value of matter density sufficient to halt the
46. The sinking of denser elements to the center of a young molten planet
chemical differentiation
Eclipses of the Moons of Jupiter
Density Wave
CNO Cycle
47. A younger cluster of stars - found in the galaxy disk
Hydrostatic Equilibrium
quarks
Open Cluster
SETI
48. Small moons that maintain the shape of rings around Saturn and Uranus
standard candle
Shepherd satellite
Chandrasekhar Limit
density waves
49. 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.
CMB
Light-Year
Filament
MOONS: larger than mercury
50. A star that blows itself apart
CMB
Flat - Flat
tectonics of Mars
Supernova (You can be my supernova girl)
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests