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 amount of density needed to stop the universe from expanding and to begin the big crunch represented by Pc
Dark matter candidates
Active Optics
plate tectonics
critical density
2. The 'edge' of the universe. Light beyond this has not reached us yet.
partile horizon
Light Gathering Power
smallest diameter
shape and color of SPIRAL galaxies
3. Form honeycomb like patterns surrounding empty or nearly empty voids.
Coronal Loop
superclusters
Density Wave
Chromosphere
4. A younger cluster of stars - found in the galaxy disk
Inverse Square Law
Plague
Red Giant Branch Star
Open Cluster
5. The particle horizon is the farthest we can see. It exists because the universe had a beginning and thus a definite age. Light from distances farther away from the particle horizon have not had time to reach us yet.
Particle Horizon
High Velocity Stars
How is winding dilemma solved?
greehouse effects
6. As open clusters age - they push gas away but dust remains this can reflect light giving the cluster a blue-ish color. also called reflection nebula
MOONS: most geologically active
Cepheid Variable
reflection star clusters
Planetary Nebula
7. What causes the zones and belts on jupiter and saturn?
MOONS: larger than mercury
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
least dense
widmanstatten pattern
8. The law stating that hotter blackbodies look bluer than cooler blackbodies.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
9. Rich= dense crowded cores of galaxies - poor= few members and a looser organization of galaxies
Atomic Number
Rich vs poor clusters
Hubble law
Coronal Loop
10. Mercury
Grand design spirals
smallest diameter
Cosmic Microwave Background (CMB)
The Local Group
11. 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 ________.
Meridian
Flat - Flat
Supercluster
solar nebula
12. A volume of space where few - if any - galaxies are located
Void
superclusters
Halo
great dark spots
13. A spectrum of light with energy at only a few wavelengths.
Emission Spectrum
Bulge
300000 KM/sec
Spectroscopic parallax
14. A prominence seen against the disk of the sun
mass
Electromagnetic Radiation
Dark Nebula
Filament
15. Jupiter
most moons
Supernova (You can be my supernova girl)
Wein's Law
Particle Horizon
16. Flat disk with gas - dust - H2 regions - molecular clouds - dust young stars and remnants of old planetary nebula and supernova remnants. stars spin together with similar velocities called differential rotation
Spectroscopic Parallax
disk
Celestial Equator
fastest rotation
17. Mercury
Colestial Pole
Limb darkening
Sc spiral galaxy
smallest diameter
18. In a CLOSED UNIVERSE - the curvature of space-time is _________. Parallel beams will converge/diverge/remain parallel (circle one). The density parameter - Ω0 - is _____.
Positive - Converge - Greater than 1
Electromagnetic Radiation
Primary Mirror
Particle Horizon
19. The science of measuring the apparent magnitudes of stars by imaging them through different filters.
Gravitational Lens
Grand design spirals
Prominence
Photometry
20. Large nebula consisting of very cold gas and dust
Molecular Clouds
Earth resurfaces itself due to erosion and plate tectonics - while the moon has neither.
Kuiper belt
Population 1 vs Population 2 stars
21. When the Sun is farthest south of the celestial equator (About December 22)
Penumbra
Winter Solstice
Ganymede (Jupiter)
Electromagnetic Radiation: Gamma Ray
22. What are the three possible geometries of the universe?
Open - flat - and closed.
superclusters
Coldest surface
nucleus
23. The state of having a balance between inflowing and outflowing heat-- the temp at every radial point is different but constant
radiation pressure
Thermal Equilibrium
mapping the structure of Milky Way disk
meteor
24. Either Io -Europa - Ganymede - or Callisto
Galilean satellite
High Velocity Stars
Halo
Heliocentric
25. A word meaning 'the same everywhere throughout.'
Terrestrial Planets
homogeneous
Light: travels like a wave - detected like a particle
Europa (Jupiters moon)
26. Where is the center of the expansion
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.
radiation pressure
critical density
Reflector
27. The dark - relativley smooth areas on the moon; Latin for sea
Maria
Resolving Power
Occam's razor
Summer Solstice
28. The location of a supermassive black hole
nova
Nucleus
HII Region
difference between maria and highlands of the moon.
29. A distance measure determined by the shifting of a star against the background sky every 6 months.
Parsec
Kirchhoff's Law
Stephen-Boltzman Law
Apparent Magnitude
30. VENUS
meteorite
chemical differentiation
Clouds of sufuric acid (very inhospitable and brightest object in the sky) - process called greenhouse affect traps radiation making it 900 degrees at times - spins with retrograde rotation (sun rises in west) and takes 58.4 days for it to set. Thick
radiation pressure
31. A force exerted by reflecting sunlight
Turn off Point
cosmic fireball
cosmic fireball
radiation pressure
32. A plot of star absolute magnitude verses spectral type.
The Big Bang Theory resolves Olber's Paradox
H-are Diagram
Main Sequence
Biologicla life created the recycling of nitrogen - co2 - and the production of oxygen. Oxygen is heavier so the atmosphere held onto it easier than hydrogen and helium.
33. When material is heated and moves taking the heat energy with it
Photon
Convection
terrestrial planet
HII Region
34. The light produced when particles from the sun collide with atmospheric molecules
Filament
aurora
cosmological red shift
Autumnal Equinox
35. A volume of space where few - if any - galaxies are located
SETI
radio galaxy
Halo
Void
36. When one side of a body always faces the planet it revolves around
roche limit
synchronous rotation
Hydrostatic Equilibrium
Brown dwarf
37. A very low mass particle formed in solar fusion reactions that reacts only weakly with matter
Void
coma
homogeneous
neutrino
38. The mirror that determines the focus configuration of a reflector
Maria
Secondary Mirror
Globular Cluster
Celestial Sphere
39. A phenomenon seen when the Earth passes through the orbit of a burned out comet
meteor shower
Maria
A family of radiant energy- includes light
Flare
40. Venus
Electron
Roundest orbit
Drake equation
terrestrial planet
41. The fate of the universe if it is closed. The universe expanding as much as possible and then retracting
acceleration
Electromagnetic Radiation: Ultraviolet Light
nucleus
Big Crunch
42. A bridge of material held in position above the solar surface. They can remain for hours even days
Thermal Equilibrium
Prominence
Coronal Loop
Flare
43. The rotation of a star or planet at different speeds at its equator and poles
Kuiper belt
Sidereal Day
HII Region
differential rotation
44. N=are*Fp(Ne)(Fl)(Fi)(Fc)(L) N: number of civilizations possible to communicate with are*: rate solar-like stars are created Fp: fraction of stars with planets Ne: number of planets like ours Fl: fraction of planets with life Fi: intelligent life Fc:
density waves
Drake equation
Continuous Spectrum
meteor
45. A nearby galaxy with a quasar-like nucleus. closer but less bright than quasars-weaker
Bok Globule
Supercluster
Seyfert galaxy
Color Index
46. Is space infinitely large?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
47. The act of removing an electron from an atom.
slowest rotation
The Big Bang Theory
Ionization
Color Index
48. 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
49. Jupiter - Saturn - Uranus - Neptune
Jovian Planets
Main Sequence Stars
radiation pressure
Metals
50. What Ole Roemer used to measure the speed of light in a vacuum
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.
Eclipses of the Moons of Jupiter
density parameter
Synchrotron Rotation