Science Testr 123 Vocab Quiz Stats

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Definition Word % Correct
a small, extremely hot, very faint star at the end of its lifewhite dwarf
85.7%
an extremely small, dense star whose particles have become neutronsneutron star
71.4%
a spinning neutron star that gives off pulses of radiation at regular intervalspulsar
71.4%
the death of a large star by an explosionsupernova
71.4%
a massive object with gravity so strong that not even light can escapeblack hole
57.1%
a large system of stars held together by gravitygalaxy
57.1%
the casting of a shadow of one celestial body on the surface of anothereclipse
57.1%
the different shapes of the Moon made visible by reflected sunlightphases
57.1%
the point in Earth's orbit at which the SUn crosses the plane of Earth's equator, causing the hours of day and night to be equal everywhere on the Earthequinox
57.1%
the apparent shift in frequency of waves emitted by a moving sourcedoppler effect
42.9%
a star at the end of its life cycle that expands and cools as it runs out of hydrogenred giant
42.9%
the apparent shift in an objects position when viewed from different locationsparallax
42.9%
a section of the sky that contains a recognizable star patternconstellation
42.9%
Definition Word % Correct
a natural or artificial body that orbits a planetsatellite
42.9%
a lowland plain of hardened lava on the Moonmare
42.9%
the point in Earth's orbit in which the Sun is farthest north or south, causing the day with the most daylight hourssolstice
42.9%
how bright a light appears to an observerapparent magnitude
28.6%
the diagonal pattern of stars on the H-R diagram from the top left to the bottom rightmain sequence
28.6%
the point in the orbit of the Moon at which it is closest to EArthperigee
28.6%
the point in the orbit of the Moon at which it is farthest from Earthapogee
28.6%
the Moon after the new moon and before the full moon, when its appearance is growingwaxing moon
28.6%
the theory that the Moon was created from the materials ejected when a large object struck the Earthimpact theory
14.3%
deep channels that run through the Moon's mariarilles
14.3%
a loose layer of rock and dust on the surface of the Moonlunar regolith
14.3%
the Moon after the full moon and before the new moon, when its appearance is shrinkingwaning moon
14.3%
the actual brightness of a star--how bright it would appear if all stars were the same distances awayabsolute magnitude
0%

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