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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. VENUS
neutrino
supernova
Radiative Diffusion
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
2. What is the universe expanding into?
critical density
asteroid
interstellar dust
It does not have to expand into anything. It might just be that the 3 dimensions of space are getting bigger. It may also be that our 3 spatial dimensions are expanding into higher dimensions if such things exist.
3. The dark - relativley smooth areas on the moon; Latin for sea
Electromagnetic Radiation: Ultraviolet Light
Seeing
Maria
mare basalt
4. The amount an image is enlarged by a telescope
Instability strip
Magnification
Horizontal Branch Star
Parallax
5. Ganymede
MOONS: largest size
Flat - Remain Parallel - Exactly 1
Nebula
Turn off Point
6. A term referring to Jupiter-like planets
Ground State
Dark Nebula
jovian
Electromagnetic Radiation
7. A huge sphere of tenuous gas surrounding the nucleus of a comet
Bulge
highlands
aphelion
coma
8. A fusion process in which a carbon atom transmutes to oxygen and back - creating a helium atom in the process
supernova
Refractor
resonance
CNO Cycle
9. What causes the zones and belts on jupiter and saturn?
Electromagnetic Radiation: Radio
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
meteoriod
Zenith
10. The north-south line passing directly overhead through the zenith.
Meridian
Apparent Magnitude
Superior planets
radiant
11. Any change in the speed or direction of an object's motion
Annular Eclipse
Grand design spirals
acceleration
Cassegrain Focus
12. The part of the Milky way that has on-going star formation
Oort Cloud
Cassegrain Focus
Disk
CMB
13. The gap etween saturn's A and B rings
Cassini division
Flocculent spirals
Refractor
meteor
14. The material from which the solar system formed
Negative - Diverge - Less than 1
solar nebula
Sunspot cycle
radio galaxy
15. Jupiter
most moons
cosmic singularity
Electromagnetic Radiation: Radio
Black Hole
16. The slow wobble of the Earth on its rotation axis.
Photon
Precession
Supercluster
Asymptotic giant Branch Star
17. An object that may remain after a star explodes
Bok Globule
Neutron Star
Open - flat - and closed.
Dark Matter
18. The apparent path of the Sun through the stars on the celestial sphere.
Supernova (You can be my supernova girl)
radio galaxy
Ecliptic
partile horizon
19. The light produced when particles from the sun collide with atmospheric molecules
aurora
direct motion
Active Optics
Primary Mirror
20. A small round distribution of gas surrounding a dying star
Planetary Nebula
blazar
Proton-proton chain
contrast northern lowlands and the southern highlands of mars...
21. All wavelengths of light emitted by a blackbody.
Light Gathering Power
Total Eclipse
Steady State Theory (Leads to Olber's Paradox)
Blackbody Curve
22. 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
self-propagating star formation
Umbra
Main Sequence
23. The shadow area behind the Earth or Moon where the Sun is completely obscured.
Absolute Magnitude
Electromagnetic Radiation: Gamma Ray
AGN
Umbra
24. Sulfurous volcanoes - pools of liquid sulfur - surface resembles cheese pizza ACTIVE SURFACE
Asymptotic giant Branch Star
Cepheid variables
Olber's paradox
Io (jupiters moon)
25. The projection of the Earth's equator onto the celestial sphere.
cosmological principle
Celestial Equator
Doppler Shift
Halo
26. In what chemical form are jupiters nitrogen - carbon and oxygen?
Colestial Pole
quasar
If it is in a denser medium - such as glass - it will move slower
Ammonia - methane - and water
27. Earth
Dark matter is located at center of clusters - pulling the cluster members into faster orbits--dark matter gravity keeps objects in galxies bound.
inferior planets
Most dense
self-propagating star formation
28. The equation that describes how matter equates with energy
Kirchhoff's Law
chondrite
E=mc2
Inverse Square Law
29. The Greek philosopher responsible for making the stellar magnitude scale.
Filament
radiation dominated universe
opposition
Hipparchus
30. Light-colored high-pressure bands in Jupiter's atmosphere
zone
Electromagnetic Radiation
Horizontal Branch Star
Eyepiece Lens
31. Venus
We don't know. It might be but does not have to be.
cosmology
MOONS: thickest atmosphere
hottest surface
32. A nearby galaxy with a quasar-like nucleus. closer but less bright than quasars-weaker
Seyfert galaxy
Largest diameter
Seeing
Primary Mirror
33. A change in the wavelength of light caused by a motion between the observer and light (or wave) source (blue shift if getting closer - red shift if moving away)
Doppler Shift
Galilean satellite
2 Reasons Why there are Supermassive Black holes at the center of every Galaxy
Oort cloud
34. Either Io -Europa - Ganymede - or Callisto
Galilean satellite
Thermonuclear Fusion
Dark Matter
Gamma ray bursts
35. The distance between a lens and its focal plane
conjunction
roche limit
mass
Focal Length
36. 10 cm -> 1 mm
Resolving Power
Spectroscopic Parallax
Big Crunch
Electromagnetic Radiation: Microwave
37. Norhern lowlands- darker in color and have far fewer craters as if an ancient sea or ice field covered them. southern highlands- much higher in density of craters.
Dark matter candidates
contrast northern lowlands and the southern highlands of mars...
Dark Nebula
standard candle
38. Relativity predicts that nothing can travel faster than the speed of light in a vacuum - How can it move slower?
Corona
Dark Matter
If it is in a denser medium - such as glass - it will move slower
Seyfert galaxy
39. The displacement of spectral lines to redder colors caused by the expansion of the universe.
cosmological red shift
Proton-proton chain
Synodic Day
quarks
40. The rotation period of the Earth measured relative to the Sun.
Synodic Day
Black Hole
belt
Parallax
41. Dark - reddish - low-pressure bands in Jupiter's atmosphere
A family of radiant energy- includes light
belt
Filament
Atomic Number
42. A star that has become a red giant for the second and final time. It is burning helium to carbon in a shell surrounding the core
Lagrangian Razor
Horizontal Branch Star
Asymptotic giant Branch Star
Halo
43. Disk dust grains are made of all the elements that are not in gaseous form in space which blocks starlight and causes interstellar extinction
Bulge
interstellar dust
Poor Cluster
Prominence
44. The oldest grouping of stars - found in the galaxy halo
Globular Cluster
tectonics of Venus
Celestial Sphere
Convection
45. Venus
If it is in a denser medium - such as glass - it will move slower
blazar
hottest surface
Spectroscopic parallax
46. What is the universe expanding into?
Hubble constant
It does not have to expand into anything. It might just be that the 3 dimensions of space are getting bigger. It may also be that our 3 spatial dimensions are expanding into higher dimensions if such things exist.
Differential Rotation
cosmic singularity
47. A galaxy emitting large amounts of energy at long wavelengths.
thinnest atmosphere
Thickest atmosphere
radio galaxy
Planck time
48. A large - irregularly shaped rocky object orbiting the sun mostly between mars and jupiter. Left-over planetesimals
synchrotron radiation
The Big Bang Theory
Radiative Diffusion
asteroid
49. Mercury and venus
Light Pollution
Ammonia - methane - and water
fewest moons
nova
50. The point where an inferior planet is as far away from the sun as it can be (as seen from the Earth)
greatest elongation
Color Index
Flat - Flat
Plague