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. Europa
Ecliptic
Bulge
isotropic
MOONS: roundest shape
2. The temp at which a substance in the vacuum of space solidifies
Oort Cloud
Electromagnetic Radiation: Ultraviolet Light
condensation temperature
quasar
3. The state of having a balance between inflowing and outflowing heat-- the temp at every radial point is different but constant
Rich Cluster
Flare
condensation temperature
Thermal Equilibrium
4. Largest moon in solar system - two differenet types of terrain - darker terrain is older - NOT ACTIVE SURFACE
Sa spiral galaxy
Void
Ganymede (Jupiter)
Photosphere
5. The location around an atom where an electron resides.
accretion disk
Light Gathering Power
Energy Level
great red spot
6. 30AU to 50Au from sun - consists of ancietn premordial objects made of frozen ice and dust-35000 objects or more that are larger than 100 km in diameter and many more smaller than this
Kuiper belt
Globular Cluster
evidence of water on mars
Red Giant Branch Star
7. A spread of light with an uninterrupted wavelength distribution of energy.
Objective Lens
Electromagnetic Radiation: Infrared
Continuous Spectrum
jovian
8. Small moons that maintain the shape of rings around Saturn and Uranus
Color Index
Shepherd satellite
coma
Cassini division
9. The mirror that determines the focus configuration of a reflector
Secondary Mirror
Spectral Lines
fewest moons
Electron
10. The apparent path of the Sun through the stars on the celestial sphere.
Ecliptic
density parameter
Parallax
self-propagating star formation
11. Titan
MOONS: thickest atmosphere
Gamma ray bursts
resonance
Radiative Diffusion
12. Latin for 'cloud'. A word used to describe the collections of gas and dust in the Milky Way and other galaxies
Nebula
Parallax
Molecular Clouds
Radiative Diffusion
13. Plate tectonics due to thickness of crust and maintain their general form when they collide-where most volcanoes are.
Superior planets
tectonics of Earth
radiant
Flat - Remain Parallel - Exactly 1
14. The assumption that the universe is isotropic (same in all directions) and homogeneous (Same everywhere throughout)
cosmological principle
Perihelion
Earth resurfaces itself due to erosion and plate tectonics - while the moon has neither.
Cassini division
15. A change in the appearance of the sun at the edge of the solar disk
meteor shower
CCD
Positive - Converge - Greater than 1
Limb darkening
16. A telescope that uses mirrors to focus light
Absolute Magnitude
Grand design spirals
Horizontal Branch Star
Reflector
17. A representation of the changes in color and brightness of an evolving protostar.
epicycle
Hyashi track
Electron
great red spot
18. Is space infinitely large?
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
19. Sudden blasts of gamma radiation from a very distant galaxy caused possibly by a supernova explosion.
Gamma ray bursts
Supercluster
Spectroscopic parallax
Limb darkening
20. The area behind a lens where images are resolved
Penumbra
Pulsar
Focal Plane
inferior planets
21. The slow wobble of the Earth on its rotation axis.
Parallax
If it is in a denser medium - such as glass - it will move slower
Precession
H2 Regions
22. Any class of objects with a uniform luminosity used to determine distance.
Ole Roemer
Gravitational Lens
standard candle
Metals
23. We can infer the absolute magnitude of pulsating variable stars by measuring their pulsation periods. The longer the pulsations - the greater their luminosities. We then again measure their apparent magnitudes - compare it with their absolute magnitu
Globular Cluster
Cepheid variables
2 Reasons Why there are Supermassive Black holes at the center of every Galaxy
Sunspots
24. The telescope configuration that has the focus placed at the back of the primary mirror
Cosmic Microwave Background
Cassegrain Focus
Occam's razor
Energy Level
25. The place in the sky that the Earth's axis points toward (can be either north or south)
meteorite
Absolute Magnitude
Pixel
Colestial Pole
26. The opaque universe that existed for 300000 years after the Big Bang. (photons outnumbered nuclei by 1 billion to one - so less light)
Photometry
Vernal Equinox
Objective Lens
radiation dominated universe
27. The location in an H-are diagram of a star cluster - where stars have just left the main sequence. Used to estimate the cluster age.
Turn off Point
Io (jupiters moon)
Kirkwood gaps
Kuiper belt
28. In an OPEN UNIVERSE - the curvature of space-time is ____ - Parallel beams will converge/diverge/remain parallel (circle one). The density parameter - Ω0 - is____.
Negative - Diverge - Less than 1
terrestrial planet
synchrotron radiation
planetesimal
29. A fusion process in which a carbon atom transmutes to oxygen and back - creating a helium atom in the process
Roundest orbit
CNO Cycle
mass
Cosmological Principle
30. Galaxies whose nuclei emit jets of materil at high speeds. material comes from supermassive black holes
Earth resurfaces itself due to erosion and plate tectonics - while the moon has neither.
radio galaxy
Olber's paradox
greatest elongation
31. The name for the only seriously considered theory of the universe.
Vernal Equinox
Winter Solstice
Big Bang
Instability strip
32. The number of protons in an atom.
Celestial Sphere
fusion crust
Atomic Number
coma
33. The first rock-sized bodies that formed in the solar nebula from dust grains
Doppler Shift
hottest surface
Black Hole
chondrite
34. A measure of the ability of a telescope to see fine detail
Gravitational Lens
Hydrostatic Equilibrium
Resolving Power
protostar
35. The normal eastward movement of a planet against the background of hte distant stars.
Electromagnetic Radiation: Radio
direct motion
Dark Nebula
Plague
36. Large nebula consisting of very cold gas and dust
Coldest surface
Molecular Clouds
Dwarf planets
Oort Cloud
37. In Ptolemy's geocentric solar system - the large circle on which a planet's epicycle moved around the Earth.
dark energy
Liquid metallic hydrogen
deferent
Absolute Magnitude
38. A galaxy sending out a stream of material from its nucleus
Radio Galaxy
radiation pressure
Rich vs poor clusters
Neutron Star
39. Rich= dense crowded cores of galaxies - poor= few members and a looser organization of galaxies
Rich vs poor clusters
Refractor
Photometry
Colestial Pole
40. Neptune or uranus
Coldest surface
Electromagnetic Radiation: Visible Light
MOONS: largest size
disk
41. That which is responsible for Jupiter's magnetic field
Corona
Liquid metallic hydrogen
Rich vs poor clusters
Hyashi track
42. The mirror that gathers the light in a reflector
CMB
greatest elongation
Rich vs poor clusters
Primary Mirror
43. Population 1- similar to the sun and 2% of elements are metal - Population 2- formed before gas was metal- only a fraction of mass is metal.
Gravitational Lens
Hyashi track
MOONS: larger than mercury
Population 1 vs Population 2 stars
44. A star that blows itself apart
Supernova (You can be my supernova girl)
Io (jupiters moon)
Filament
meteorite
45. Consists of old red stars in slow orbits that plunge through disk and bulge. about 1% are old - round globular clusters.
Halo
Vernal Equinox
Light Gathering Power
Dark Matter
46. A collection of comets in the plane of the solar system - located beyond the orbit of Pluto
Yes - frozen at the poles- remains protected from the suns rays
Oort Cloud
E=mc2
Kuiper belt
47. An object that may remain after a star explodes
Focal Length
Zenith
Annular Eclipse
Neutron Star
48. The mirror that gathers the light in a reflector
homogeneous
Zenith
Meridian
Primary Mirror
49. 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
How is winding dilemma solved?
Instability strip
Absorption Spectrum
Milky way Galaxy
50. A logarithmically scaled value for the measured brightness of a star.
Dark Matter
reflection star clusters
Apparent Magnitude
Supercluster