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 powdered stone fragments that make up the lunar 'soil'
Light: travels like a wave - detected like a particle
Halo
resonance
regolith
2. Mercury and venus
differential rotation
tectonics of Venus
fewest moons
MOONS: roundest shape
3. 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.
SETI
CMB
Nebula
Seeing
4. The entity responsible for spiral arms in grand-design spiral galaxies
Gamma ray bursts
Make up of the jovian planets
Density Wave
Instability strip
5. A planet that is farther from the sun than the Earth is
Superior planets
Synchrotron Rotation
Electromagnetic Radiation
shape and color of ELLIPTICAL galaxies
6. Heavier elements such as iron - silicon - magnesium - sulfer - nickel
Color Index
Make up of the terrestrial planets
fastest rotation
Hipparchus
7. Light scattered through the atmosphere that degrades astronomical images
Cosmic Microwave Background
Light Pollution
least dense
Perihelion
8. Saying that the sky should not get dark at night because all lines of sight end on a star meaning that the night sky should be ablaze BUT the big bang - because the universe had a beginning - says that the sky gets dark because out in space - galaxie
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
9. The surface of the sun
Sunspots
radio galaxy
Electromagnetic Radiation
Photosphere
10. A star that blows itself apart
density
Blackbody
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
Supernova (You can be my supernova girl)
11. Jupiter
Magnification
most moons
highlands
Spectroscopy
12. Europa
MOONS: roundest shape
anorthosite
blazar
Main Sequence Stars
13. The fusion process that turns three helium nuclei into a carbon nucleus
Triple Alpha rocess
Cosmological Principle
Doppler Shift
Continuous Spectrum
14. The temp at which a substance in the vacuum of space solidifies
Light: travels like a wave - detected like a particle
Self-Propogating Star Formation
condensation temperature
planetesimal
15. What Ole Roemer used to measure the speed of light in a vacuum
Eclipses of the Moons of Jupiter
Electromagnetic Radiation: Radio
Kuiper belt
fusion crust
16. All possible types of energy that can be emitted and absorbed by atoms.
Electromagnetic Radiation
2 Reasons Why there are Supermassive Black holes at the center of every Galaxy
Sa spiral galaxy
Horizontal Branch Star
17. IO
Dark matter candidates
Thermonuclear Fusion
synchronous rotation
MOONS: most geologically active
18. Jupiter - Saturn - Uranus - Neptune
Jovian Planets
Energy Level
least dense
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.
19. A plot of star absolute magnitude verses spectral type.
Differential Rotation
density
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
H-are Diagram
20. The apparent magnitude a star would have if it were at a distance of 10 parsecs.
tectonics of Earth
Absolute Magnitude
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.
fusion crust
21. The part of the Milky way that has on-going star formation
Color Index
Wein's Law
Emission Spectrum
Disk
22. The 'edge' of the universe. Light beyond this has not reached us yet.
fewest moons
Triple Alpha rocess
partile horizon
Main Sequence Stars
23. The surface of the sun
Photosphere
Nucleus
general star population
How is winding dilemma solved?
24. 10 nm 10^2 nm
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
Electromagnetic Radiation: X-Ray
Winter Solstice
mare basalt
25. A bridge of material held in position above the solar surface. They can remain for hours even days
Light Pollution
Prominence
Meridian
Self-Propogating Star Formation
26. The rate of expansion of the universe.
Active Optics
Hubble constant
tectonics of Mars
Electromagnetic Radiation: Gamma Ray
27. Finding a star's absolute magnitude from it's placement on an HR diagram. After finding the absolute magnitude - we measure the apparent magnitude - for a distance modulus and use this to find the distance. This method is good for finding distances t
supernova
asteroid
Spectroscopic parallax
meteoriod
28. Europa
Colestial Pole
MOONS: roundest shape
great dark spots
matter dominated universe
29. The study of the universe as a whole.
300000 KM/sec
cosmology
Electromagnetic Radiation
epicycle
30. Rich= dense crowded cores of galaxies - poor= few members and a looser organization of galaxies
Rich vs poor clusters
Flat - Flat
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.
highlands
31. Consists of old red stars in slow orbits that plunge through disk and bulge. about 1% are old - round globular clusters.
Perihelion
Halo
Zenith
Sa spiral galaxy
32. What Ole Roemer used to measure the speed of light in a vacuum
mare basalt
Precession
Eclipses of the Moons of Jupiter
opposition
33. The rock that makes up the lunar highlands
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.
hottest surface
anorthosite
Europa (Jupiters moon)
34. A faint - remarkably uniform distribution of radiation in space
Cosmic Microwave Background
meteor shower
Oort Cloud
direct motion
35. Finding a star's absolute magnitude from it's placement on an HR diagram. After finding the absolute magnitude - we measure the apparent magnitude - for a distance modulus and use this to find the distance. This method is good for finding distances t
The Big Bang Theory resolves Olber's Paradox
Electromagnetic Radiation: Radio
meteor
Spectroscopic parallax
36. The location in the Milky Way where stars orbit like a solid wheel
Bulge
protostar
Color Index
Electromagnetic Radiation: Radio
37. A phenomenon seen when the Earth passes through the orbit of a burned out comet
Callisto (Jupiter)
meteor shower
OB Associations
Sunspot cycle
38. When the Moon entirely blocks the Sun.
Big Bang
Total Eclipse
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.
The Big Bang Theory resolves Olber's Paradox
39. The act of removing an electron from an atom.
Ionization
highlands
Planetary Nebula
Vernal Equinox
40. The rock that makes up the lunar maria
gravity
quasar
mare basalt
critical density
41. 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.
Gamma-ray Burst
Sc spiral galaxy
CMB
retrograde motion
42. Sc galaxies where star formation and destruction is so rapid that supernova explosions are mainly responsible for compressing gas to create new stars.
self-propagating star formation
asteroid
Gravitational Lens
Nebula
43. The point in its orbit where a planet is nearest the sun
solar nebula
jovian
Oort cloud
Perihelion
44. The opaque universe that existed for 300000 years after the Big Bang. (photons outnumbered nuclei by 1 billion to one - so less light)
Superior planets
Main Sequence Stars
radiation dominated universe
Ole Roemer
45. A collection of galaxies like the one the Milky Way belongs to
deferent
meteor
Poor Cluster
Most dense
46. The linear correlation between the rate of the expansion of the universe and distance. Says that as galaxies get farther away in space - the speed with which they recede from us increases. So we can measure the amount of recessional velocity and use
cosmological principle
Hubble law
interstellar dust
radiation dominated universe
47. Approximate speed of light in a vacuum
Triple Alpha rocess
Kuiper belt
planetesimal
300000 KM/sec
48. The lens in a telescope used to determine the magnification
Sunspot cycle
Sc spiral galaxy
highlands
Eyepiece Lens
49. Matter that reveals itself only through its gravitational attraction.
Absorption Spectrum
dark matter
matter dominated universe
Callisto (Jupiter)
50. 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
density parameter
Black Hole
Photon