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. A spherical shell of comets that orbit the sun at a great distance (roughly two light years from the sun)
Oort cloud
Kirchhoff's Law
blazar
anorthosite
2. Material that shoots rapidly out into space. Flares cause Auroras
Oort Cloud
Dwarf planets
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.
Flare
3. The average distance between the Earth and the Sun (=1.5 x10^8km)
Astronomical Unit
Dark matter candidates
disk
Wein's Law
4. A measure of the seasonal shifting of a star's position against farther stars or galaxies. The closer the star - the greater is the angular distance it shifts. We use it to find distances to stars that are up to 1000 pc away.
Parallax
comet
Pulsar
The Big Bang Theory
5. Wave- only waves cause an interference pattern when passing through a double slit - particle- only particles deposit energy at specific locations (the way an image builds up on digital camera)
Superior planets
Electromagnetic Radiation: Gamma Ray
Light: travels like a wave - detected like a particle
Pixel
6. 1 mm 1μm
H2 Regions
Electromagnetic Radiation: Infrared
fastest rotation
Radio Galaxy
7. 10^2 nm 10^7 nm
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
comet
Electromagnetic Radiation: Gamma Ray
The Big Bang Theory
8. VENUS
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
great red spot
Active Optics
Precession
9. In Ptolemy's geocentric solar system - the large circle on which a planet's epicycle moved around the Earth.
Parsec
deferent
Cosmic Microwave Background
blazar
10. A term referring to Earth-like planets
Ground State
Geocentric
Molecular Clouds
terrestrial planet
11. Half of the longest diameter across an ellipse
radio galaxy
semimajor axis
Atomic Number
Continuous Spectrum
12. IO
MOONS: most geologically active
partile horizon
Flat - Flat
Jupiters red spot
13. Ganymede
Kuiper belt
asteroid
Red Giant Branch Star
MOONS: largest size
14. The number of protons in an atom.
If it is in a denser medium - such as glass - it will move slower
Black Hole
Atomic Number
Radiative Diffusion
15. Titan
fastest rotation
Open Cluster
Electromagnetic Radiation: Gamma Ray
MOONS: thickest atmosphere
16. Latin for 'cloud'. A word used to describe the collections of gas and dust in the Milky Way and other galaxies
Drake equation
isotropic
Nebula
Black Hole
17. The distance a moon can be from a planet before shattering from tidal forces
radiant
tectonics of Venus
roche limit
High Velocity Stars
18. The layer of the sun just above the photosphere
300000 KM/sec
Chromosphere
rotation curve=winding dilemma?
Meridian
19. Rich= dense crowded cores of galaxies - poor= few members and a looser organization of galaxies
most moons
cosmological principle
Rich vs poor clusters
rotation curve = dark matter?
20. An element of a highly efficient - two-dimensional electronic light detector
Pixel
era of recombination
Autumnal Equinox
fusion crust
21. A method of finding a star's distance from its absolute magnitude and spectral type or color.
Spectroscopic Parallax
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
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.
direct motion
22. Ganymede and Titan
MOONS: larger than mercury
Light Pollution
Electromagnetic Radiation: Visible Light
Plague
23. The point in its orbit where a planet is nearest the sun
Interstellar Extinction
synchrotron radiation
Perihelion
Electromagnetic Radiation: Radio
24. The state of having a balance between inflowing and outflowing heat-- the temp at every radial point is different but constant
Planetary Nebula
Instability strip
shape and color of ELLIPTICAL galaxies
Thermal Equilibrium
25. A point in the sky where meteors appear to come from during a shower
Zenith
radio lobe
radiant
Resolving Power
26. Jupiter
MOONS: thickest atmosphere
Largest diameter
Perihelion
Winter Solstice
27. The apparent magnitude a star would have if it were at a distance of 10 parsecs.
Liquid metallic hydrogen
Electromagnetic Radiation: Infrared
Absolute Magnitude
CNO Cycle
28. Is space infinitely large?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
29. A distance measure determined by the shifting of a star against the background sky every 6 months.
Color Index
Ganymede (Jupiter)
Parsec
comet
30. Material that shoots rapidly out into space. Flares cause Auroras
Nova
isotropic
Flare
MOONS: most geologically active
31. An entity that is likely in the nucleus of most - if not all - galaxies.
Umbra
Red Giant Branch Star
supermassive black hole
smallest diameter
32. A high-pressure bulge in Neptune's southern hemisphere
least dense
Black Hole
great dark spots
Electromagnetic Radiation: Radio
33. A location on an H-are Diagram where evolving stars pulsate
Make up of the terrestrial planets
Instability strip
Perihelion
Celestial Sphere
34. Form honeycomb like patterns surrounding empty or nearly empty voids.
superclusters
radio lobe
scarp
scarp
35. Any change in the speed or direction of an object's motion
acceleration
OB Associations
Atomic Number
cosmic fireball
36. 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)
Halo
Spectral Lines
Umbra
37. Light scattered through the atmosphere that degrades astronomical images
Light Pollution
Gravitational Lens
HII Region
Electromagnetic Radiation
38. The study of the universe as a whole.
cosmology
Stephen-Boltzman Law
aurora
mare basalt
39. Distance from sun to nucleus- 8 kiloparsecs (26000 LY) - diameter of Milky way- 150000 LY - length for sun to orbit once around milky way- 250 million years
Poor Cluster
CCD
zone
Milky way Galaxy
40. Ganymede
MOONS: largest size
Sunspots
Molecular Clouds
Cosmic Microwave Background (CMB)
41. A prominence seen against the disk of the sun
Celestial Sphere
Cepheid Variable
Filament
2 Reasons Why there are Supermassive Black holes at the center of every Galaxy
42. A nearby galaxy with a quasar-like nucleus. closer but less bright than quasars-weaker
Kuiper belt
blazar
Open - flat - and closed.
Seyfert galaxy
43. The process similar to conduction by which energy moves from the solar core to the convective layer
Ground State
Photometry
Nebula
Radiative Diffusion
44. A word meaning 'the same everywhere throughout.'
Celestial Sphere
homogeneous
Flat - Remain Parallel - Exactly 1
Light Pollution
45. Stars orvits do not define the spiral patterns - instead they are density waves that move at slower speeds (arms are defined by young O and B stars and gas clouds)
fewest moons
Photon
How is winding dilemma solved?
semimajor axis
46. The measure of a variable star's apparent magnitude as it brightens and dims with time
Light Curve
jovian
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.
Rich Cluster
47. The entity from which the whole universe is postulated to have come from.
cosmic singularity
Radio Galaxy
chondrite
reflection star clusters
48. The law that syas light energy from a blackbody increases as (temperature^4)
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
shape and color of ELLIPTICAL galaxies
Stephen-Boltzman Law
Atomic Number
49. A star fusing hydrogen to helium in it's core
hottest surface
Halo
Main Sequence Stars
Ammonia - methane - and water
50. The amount of density needed to stop the universe from expanding and to begin the big crunch represented by Pc
hottest surface
critical density
MOONS: thickest atmosphere
Drake equation