Science Quiz / Astronomical Terms

Random Science or Astronomy Quiz

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Quiz Updated Dec 22, 2011

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Score 0/28 Timer 07:00
2 Plays Today
Hint Term % Correct
An object whose gravity is so strong that the escape velocity exceeds the speed of lightBlack Hole
94.5%
Large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of spaceGalaxy
90.7%
A cataclysmic explosion caused when a star exhausts its fuel and ends its lifeSupernova
90.1%
A gigantic ball of ice and rock that orbits the Sun in a highly eccentric orbitComet
87.7%
Group of stars that make an imaginary picture in the skyConstellation
85.7%
The theoretical cosmic explosion that marked the beginning of the universe accordingBig Bang
85.5%
A layer of gases surrounding a planet, moon, or starAtmosphere
85.4%
A mutual physical force of nature that causes two bodies to attract each otherGravity
84.6%
Any of the small rocky celestial bodies found especially between the orbits of Mars and JupiterAsteroid
81.4%
The path of a celestial body as it moves through spaceOrbit
76.4%
A natural or artificial body in orbit around a planetSatellite
75.3%
The cutting off of light from one celestial body by anotherEclipse
74.9%
A mass of stone or metal that has reached the earth from outer spaceMeteorite
73.7%
A star that has undergone gravitational collapse and is in the final stage of evolutionWhite Dwarf
64%
Hint Term % Correct
Sudden eruption of energy on the solar disk from which radiation & particles are emittedFlare
54.1%
A diffuse mass of interstellar dust and gasNebula
54%
The two points at which the Sun crosses the celestial equator in its yearly path in the skyEquinox
52.8%
12 constellations dividing the ecliptic into almost equal partsZodiac
47.5%
A celestial object that emits radio waves with a high degree of regularityPulsar
45.9%
Glow in a planet's ionosphere caused by the interaction between the magnetic field & Sun charged particlesAurora
44.1%
Distance equal to 3.26 light-yearsParsec
43.4%
A system of two stars that revolve about their common center of massBinary Star
42.7%
The closest bright star to our solar systemAlpha Centauri
37.6%
Celestial object whose large redshift & apparent brightness imply extreme distance & huge energy outputQuasar
35%
The collapsed remnant of a supernova Neutron Star
33.5%
Any of the small bodies, often remnants of comets, traveling through spaceMeteoroid
20.5%
The law that the velocity of recession of distant galaxies from our own is proportional to their distance from usHubble's Law
19.3%
An exploding meteorBolide
6.4%
 
Number % Answered
28 (all)
2.5%
24-27
14.6%
20-23
21.2%
16-19
22.1%
12-15
19.2%
8-11
10.6%
4-7
6.3%
1-3
3.5%

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