Statistics for Cosmology Review Pt. 1

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General Stats
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General Stats

This quiz has been taken 21 times
(19 since last reset)
The average score is 12 of 58

Answer Stats

Hint	Answer	% Correct
does the moon rotate?	yes	60%
Speed of light (kilometers)	300,000 km/s	47%
How many official constellations are there?	88	40%
the original last month in the calendar	February	40%
Point above observer's head	zenith	40%
Speed of light (miles)	186,000 m/s	33%
degree of earth's tilt	23.5	33%
length of a solar day	24h	33%
Point below observer's feet	nadir	33%
the apparent shifting of an object with respect to more distant objects because of the changing of the observer's perspective	parallax	33%
"wandering stars"	planets	33%
the wobble of the earth as it rotates like a top	precession	33%
the number of years it takes the north celestial pole to travel in a circle (precession)	26,000	27%
What does an arcsecond measure?	angles	27%
celestial latitude	declination	27%
the path of the Sun among the fixed stars	ecliptic	27%
"equal nights"	equinox	27%
celestial longitude	right ascension	27%
the 12 constellations the Sun passes through	zodiac	27%
the distance from the Earth to the Sun	1AU	20%
number of years it takes the vernal equinox to pass to a new zodiac constellation	2000	20%
the number of days it takes the moon to line up again with the Sun	2.2	20%
the number of days it takes the moon to revolve 360 degrees (also a sidereal period)	27.3	20%
Halfway between the celestial poles, perpendicular to the axis	celestial equator	20%
circle which passes through the zenith and nadir	celestial meridian	20%
Equation for finding speed of light	d=vt	20%
Where is the prime meridian?	Grenwich	20%
what insolation (sunlight spreading over the earth) actually means	incoming solar radiation	20%
months when the Earth is closest (perihelion)/farthest (aphelion) from the Sun	January/July	20%
imaginary sun which moves along the celestial equator rather than the ecliptic and which matches the average motion of the real sun	mean sun	20%
intersection of the orbit plane of a celestial body with the plane of the ecliptic	node	20%
area close to the sun	perihelion	20%
number of degrees the sun travels in an hour	15	13%
length of a sidereal day	23h56m4s	13%
time from one new moon to the next (synodic month)	29.5 days	13%
before the local meridian	ante meridian (AM)	13%
area farther away from the sun	aphelion	13%
parallax equation	d=1/pi	13%
time between successive transits of a celestial object	day	13%
types of arc (largest to smallest)	degree, minute, second	13%
days of the week in French	dimanche, lundi, mardi, mercredi, jeudi, vendredi, samedi	13%
when crossing this from east to west add a day, and when crossing from west to east subtract a day	international date line (IDL)	13%
the angle measured westward along the celestial equator from the local meridian to the hour circle (meridian) of the object	LHA (local hour angle)	13%
local hour angle of the actual sun +12hrs	local apparent solar time (LAST)	13%
local hour angle of the mean sun +12hrs	local mean solar time (LMST)	13%
local hour angle of the vernal equinox	local sidereal time (LST)	13%
phases of the moon	new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, third quarter, waning crescent	13%
Points at both ends of the celestial rotation axis	north and south celestial poles	13%
after or past the local meridian	post meridian (PM)	13%
original names of July and August	Quintilis and Sextilis	13%
takes synodic, nodical and anomalistic periods into account to predict the recurrence of an eclipse	Saros cycle	13%
system used for angular measurement	sexagesimal system	13%
used by ancient peoples to establish calendars	solstice principle	13%
stellar distances to the nearest stars	stellar parallax	13%
when the Sun is furthest above the celestial equator (2x)	summer and winter solstices	13%
places where the sun appears at the zenith at noon on the first day of the summer/winter	Tropics of Cancer and Capricorn	13%
where the ecliptic crosses the celestial equator (2x)	vernal and autumnal equinoxes	13%
locations of the moon during a solar eclipse	new moon, moon at or near a node	0%