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Test your basic knowledge |
Astronomy Basics
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 telescope that uses a curved mirror to collect and focus light
Tycho Brahe
reflecting telescope
pulsar
geocentric
2. Space object made of dust and rock particles mixed with frozen water - methane - and ammonia that forms a bright coma as it approaches the Sun
main-sequence star
ellipse
comet
Sir Isaac Newton
3. When the northern or southern most point on earth receives the most sun because the earth is tilted toward the sun
solstace
Nicolaus Copernicus
Jovian planet
red giant
4. Any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
Tycho Brahe
moon
asteroid
parallax
5. The name of our galaxy - a spiral galaxy that contains about 400 billion stars
Tycho Brahe
doppler effect
meteorite
milky way galaxy
6. The formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
rotation
apparent magnitude
evolution
accretion
7. A particle of electromagnetic radiation having zero mass and carrying a quantum of energy
doppler effect
photon
blue shift
local group
8. A spectrum of light in which there are no gaps - so that each region blends directly into the next
Tycho Brahe
earth's tilt
continuous spectrum
comet
9. The small - dense remains of a high-mass star after a supernova
planet
neutron star
supergiant
lunar eclipse
10. Massive clouds of dust and gases where stars are born
perigee
doppler effect
Tycho Brahe
nebulae
11. The formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
absorption spectrum
comet
accretion
the big crunch
12. The theory that states that gravity will over come the expansion of the universe and bring everything together in an implosion
solar eclipse
Hubble's law
the big crunch
chromatic abberation
13. When the northern or southern most point on earth receives the most sun because the earth is tilted toward the sun
chromatic abberation
solstace
local group
galaxy
14. The two days of the year on which neither hemisphere is tilted toward or away from the sun
equinox
Kuiper Belt
doppler effect
lunar eclipse
15. A group of stars that form a pattern in the sky
red giant
lunar eclipse
constellation
chromatic abberation
16. The increase in wavelength of light due to an object moving away from the observer
photon
pulsar
evolution
red shift
17. Any substance that cannot be broken down into simpler substances
light-year
astronomical unit (AU)
element
supernova
18. The spinning of Earth on its axis
rotation
refracting telescope
meteor
binary star
19. A spectrum of light in which there are no gaps - so that each region blends directly into the next
supergiant
continuous spectrum
perhelion
Johannes Kepler
20. Galaxy with no particular shape - contains new & old stars
nebulae
solar eclipse
radio telescope
irregular galaxy
21. Remnant of a star that is so dense that nothing - not even light - can escape its gravity field
equinox
black hole
local group
geocentric
22. Remnant of a star that is so dense that nothing - not even light - can escape its gravity field
black hole
irregular galaxy
emission spectrum
meteorite
23. The most distant point in the orbit of the moon
red shift
astronomy
nebulae
apogee
24. Change in the apparent frequency of a wave as observer and source move toward or away from each other
binary star
quasar
terrestrial planet
doppler effect
25. The luminous cloud of particles surrounding the frozen nucleus of a comet
terrestrial planet
coma
galaxy cluster
galaxy
26. The study of the universe
astronomy
main-sequence star
galaxy
aphelion
27. Any natural satellite of a planet
comet
supernova
moon
electromagnetic spectrum
28. Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)
main-sequence star
Oort Cloud
Nicolaus Copernicus
apogee
29. Point of moon's orbit when it is nearest the earth
local group
perigee
Galileo Galilei
milky way galaxy
30. Varying amounts of the lighted moon as seen from earth
phases of the moon
pulsar
supergiant
Halley's Comet
31. The decrease in wavelength of light due to an object moving away from the oberver
black hole
Hubble's law
white dwarf
blue shift
32. An enormously bright - distant galaxy with a giant black hole at its center
constellation
galaxy
quasar
element
33. A faint star of enormous density
blue shift
phases of the moon
element
white dwarf
34. Stony or metallic object that is the remains of a meteoroid that has reached the earth's surface
Sir Isaac Newton
meteorite
doppler effect
the big crunch
35. The place in the orbit of a planet where the planet is farthest from the sun
photon
aphelion
solstace
the big crunch
36. A measure of the amount of light that a star actually emits
protostar
photon
supernova
absolute magnitude
37. A space telescope and camera named for a famous astronaut (Edward Hubble) used to study space elements
galaxy cluster
background radiation
Hubble Space Telescope
black hole
38. The small - dense remains of a high-mass star after a supernova
asteroid
radio telescope
supergiant
neutron star
39. The brilliant explosion of a dying supergiant star
white dwarf
supernova
lunar eclipse
Halley's Comet
40. The distance between crests of waves - such as those of the electromagnetic spectrum
neutron star
ellipse
wavelength
astronomy
41. A model of the solar system in which Earth and the other planets revolve around the sun
pulsar
heliocentric
blue shift
black hole
42. The study of the spectra of stars by analyzing the spectral properties of the light they give off
supergiant
spiral galaxy
blue shift
spectroscopy
43. Astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources
radio telescope
element
phases of the moon
heliocentric
44. English mathematician and physicist - discovered the law of universal gravitation
geocentric
Sir Isaac Newton
irregular galaxy
precession
45. The decrease in wavelength of light due to an object moving away from the oberver
blue shift
chromatic abberation
spectroscopy
element
46. A graph relating the temperature and brightness of stars
nebula
galaxy
Hertzsprung-Russel Diagram
parallax
47. Italian astronomer - mathematician - and physicist. His telescopes proved the sun is the center of the solar system and that the planets/moon move. He was persecuted for supporting Copernicus' ideas.
blue shift
meteroid
Galileo Galilei
meteroid
48. Point in orbit that is closest to the sun - planet moves faster
perhelion
Galileo Galilei
constellation
astronomical unit (AU)
49. Point in orbit that is closest to the sun - planet moves faster
perhelion
Hertzsprung-Russel Diagram
local group
supernova
50. A contracting cloud of gas and dust with enough mass to form a star
equinox
protostar
photon
chromatic abberation