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. First accurately measured the speed of light in a vacuum
contrast northern lowlands and the southern highlands of mars...
Hyashi track
Ole Roemer
MOONS: largest size
2. A push or a pull
aphelion
force
Absorption Spectrum
cosmic singularity
3. The fusion process that turns three helium nuclei into a carbon nucleus
nucleus
dark energy
belt
Triple Alpha rocess
4. Sa - Sb galaxies where two magnificent arms wind their way from nucleus out in a symmetrical manner.
Grand design spirals
Molecular Clouds
force
radiation dominated universe
5. Stars fromt he Halo that have drifted into the disk. as earth zooms past them in a faster orbit they appear to be going backward very fast
Flat - Remain Parallel - Exactly 1
High Velocity Stars
The Big Bang Theory
Nucleus
6. What do we think the actual fate of the universe will be and why do we think this?
Gamma ray bursts
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.
differential rotation
Pulsar
7. Venus
Thickest atmosphere
density parameter
Galilean satellite
How is winding dilemma solved?
8. The number of protons in an atom.
Precession
Callisto (Jupiter)
Nucleus
Atomic Number
9. In Ptolemy's geocentric solar system - the small circle on which a planet moved.
Population 1 vs Population 2 stars
Electromagnetic Radiation
epicycle
neutrino
10. The distance light travels in one year (=9.46x10^12km).
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.
CMB
Light-Year
Big Bang
11. Mercury
most eccentric orbit
Liquid metallic hydrogen
Superior planets
Void
12. Population 1 with higher metals and contain many young stars in star clusters. Distribution of stars is everywhere in disk (arms only have 5% more stars)
MOONS: larger than mercury
Doppler Shift
general star population
fusion crust
13. Orbit in Jupiters orbit
Coronal Loop
Trojan asteroids
Ground State
HII Region
14. A particle of light.
Roundest orbit
resonance
chemical differentiation
Photon
15. The relation that tells how light dims with distance.
Inverse Square Law
homogeneous
Planck time
Liquid metallic hydrogen
16. Small moons that maintain the shape of rings around Saturn and Uranus
Hipparchus
Prominence
Shepherd satellite
Reflector
17. Highlands: rocks are made of lighter anorthosite (similar to old earth rocks) Maria: rocks made of heavy mare basalt (volcanic rock) everywhere else is loose regolith created by meteoric impact.
nova
Light Pollution
difference between maria and highlands of the moon.
Kirkwood gaps
18. In Ptolemy's geocentric solar system - the large circle on which a planet's epicycle moved around the Earth.
great dark spots
deferent
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.
Black Hole
19. The telescope configuration that has the focus placed at the back of the primary mirror
Cassegrain Focus
plate tectonics
3 reasons we orbit satellites to observe universe
contrast northern lowlands and the southern highlands of mars...
20. A quantity measuring the stability of the Earth's atmosphere
thinnest atmosphere
Seeing
Spectroscopic Parallax
Magnification
21. The law that describes the blackbody curve - and let to quantum mechanics.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
22. 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.
Chandrasekhar Limit
Ionization
Ground State
Cosmic Microwave Background (CMB)
23. Any change in the speed or direction of an object's motion
Photon
Degeneracy
Eyepiece Lens
acceleration
24. Sa - Sb galaxies where two magnificent arms wind their way from nucleus out in a symmetrical manner.
Poor Cluster
Grand design spirals
Photosphere
MOONS: larger than mercury
25. The high- temperatature outer layer of the sun
Self-Propogating Star Formation
MOONS: most geologically active
Reflector
Corona
26. The amount of density needed to stop the universe from expanding and to begin the big crunch represented by Pc
condensation temperature
critical density
Proton-proton chain
MOONS: thickest atmosphere
27. Mercury
Planck time
accretion disk
superclusters
most eccentric orbit
28. Small bulges - loosely wound - massive arms - arms have many H2 regions and look very lumpy
Self-Propogating Star Formation
Sc spiral galaxy
Wein's Law
HII Region
29. The force of attraction between any two objects having mass
protostar
Blackbody Curve
gravity
Titus-Bode Law
30. The layer of the sun just above the photosphere
Focal Plane
Focal Plane
Chromosphere
Ionization
31. Long - meandering cliff formed when a planet surface cools and shrinks
scarp
Summer Solstice
Nebula
reflection star clusters
32. Titan
Nebula
Supernova (You can be my supernova girl)
MOONS: thickest atmosphere
Limb darkening
33. A perfect absorber and radiator of electromagnetic radiation.
Blackbody
Bulge
Nova
greehouse effects
34. A faint - remarkably uniform distribution of radiation in space
Sunspot cycle
molecular clouds
Cosmic Microwave Background
Sunspots
35. Is there water on the moon?
300000 KM/sec
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.
Yes - frozen at the poles- remains protected from the suns rays
Blackbody Curve
36. A technique using computer-controlled mirrors to sharpen images distorted by the atmosphere
MOONS: larger than mercury
Active Optics
Rich Cluster
Main Sequence Stars
37. 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
evidence of water on mars
Flare
Europa (Jupiters moon)
Cepheid variables
38. The process of acquiring material
supernova
AGN
accretion
isotropic
39. The Big Bang was not an explosion of matter into empty space - like the explosion of a bomb. Instead - it was an emergence of space and time filled with pure energy where before none of this was present. The point from which is emerged is called the
Sb spiral galaxy
Dark matter is located at center of clusters - pulling the cluster members into faster orbits--dark matter gravity keeps objects in galxies bound.
Dark Matter
The Big Bang Theory
40. A large and bright but cool star.
isotropic
Disk
aurora
Red Giant
41. How is the Hubble Law consistent with an expanding universe?
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.
Europa (Jupiters moon)
Celestial Equator
Nova
42. Places in the asteroid belt - caused by resonance with Jupiter - where there are no asteroids
Refractor
Apparent Magnitude
Extrasolar Planet
Kirkwood gaps
43. The measure of a variable star's apparent magnitude as it brightens and dims with time
Light Curve
fastest rotation
Self-Propogating Star Formation
great red spot
44. The sinking of denser elements to the center of a young molten planet
Main Sequence
chemical differentiation
Make up of the terrestrial planets
Hyashi track
45. Sc galaxies
Quasar
Void
Flocculent spirals
H-are Diagram
46. How did Earth come to have an oxygen rich atmosphere?
most moons
Sunspots
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.
aphelion
47. The science of measuring the apparent magnitudes of stars by imaging them through different filters.
Photometry
Particle Horizon
cosmological red shift
quasar
48. A telescope that uses mirrors to focus light
Reflector
density parameter
accretion disk
Maria
49. Originially thought to be stars emitting radio radiation but are now concluded to be nuclei of distant galaxies (same as radio galaxies aka emit streams of material)
Gravitational Lens
quasar
Eclipses of the Moons of Jupiter
Proton-proton chain
50. A cloud of ionized hydrogen. Formed when young stars heat the surrounding gas
Pulsar
AGN
AGN
HII Region