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To convert from local time to Eastern time for EL...: ...add 38 minutes
A star found half way up in the SW sky is at what altitude and azimuth?: Alt 45, Az 225
Az of N: 0 degrees
Az of E: 90 degrees
Az of S: 180 degrees
Az of W: 270 degrees
Azimuth increases to the...: ...East
Azimuth starts at...: ...N
What units is right ascension measured in?: Hours
What units is declination measured in?: degrees
RA and dec. of first day of autumn: RA 12h, dec 0 deg.
RA and dec. of first day of winter: RA 18h, dec -23.5 deg.
RA and dec. of first day of spring: RA 0h, dec. 0deg.
RA and dec. of first day of summer: RA 6h, dec. +23.5 deg.
How far away from the sun (in hours) is a point opposite from the sun?: 12 h
The sun always is on...: ...the eliptic
the eliptic traces...: ...the plane of the earth's orbit
what is the position of the planets relative to the plane of the earth's orbit?: they nearly follow it
what is the position of the moon's orbit relative to the plane of the earth's orbit?: it stays close to the earths orbit, and crosses occasionally
the midday altitude of the sun on the first day of summer is...: ...70 deg.
the midday altitude of the sun on the first day of winter is...: ...about 30 deg.
the midday altitude of the sun on the first day of spring is...: ...about 50 deg.
the midday altitude of the sun on the first day of autumn is...: ...about 50 deg.
From EL, a star whose dec. is 0 rises approx...: ... due E
altitude is measured in...: ...deg.
azimuth is measured in...: ...deg.
right ascension: arcs parallel to the celestial equator (E to W)
2 parts of celestial coordinate system: RA, dec.
declination: lines that run north to south
where is the declination zero?: at the celestial equator
meridian: connects N, S, zenith
the ____ goes through the N celestial pole: meridian
transit: crossing meridian
what 2 astronomial terms are the same?: midday, local noon
zenith connects....: ...meridian and celestial equator
celestial equator: connects E, W, and zenith
RA changes ____ per month: 2 hours
rising/setting points ____ about meridian: symmetric
something that rises in SE will set in...: ...SW
what 2 places can you generally find the planets and the moon?: on the ecliptic (in the zodiac)
where is the sun located on the planishpere at the equinoxes: at the crossing of the 2 major arcs
the altitude and azimuth, respectively, of an object located a quarter of the way up in the NE is: 22.5 deg., 45 deg.
an object with declination +30 will set approx. where?: NW
if the sky is set so that 0h of RA is on the W horzon, what approx. RA is on the meridian?: 6h
to convert from eastern to local for EL: subtract 38 min
zodiac is always on...: ...ecliptic
moon stays close to...: ...eliptic
zenith distance (obj) + altitude (obj)=: 90 deg.
latitude is equal to which two things?: altitude of NCP, and zenith distance of celestial equator
latitude + altitude =: 90 deg.
declination is equal to: distance away from celestial equator
latitude is always...: ...N
for longitude, ___ is CW, ___ is CCW: W, E
clockwise times for longitude: 12pm, 6pm, 12am, 6am
longitude is...: ...degrees L is away from G
to find LMT...: mark 12pm over local time, LMT is time corresponding to time at point with sun
to find LST...: Set RA as 0 at vernal equinox, increases CCW to local point
sun is ____ in March: on VE
sun is ____ in June: 6 CCW from VE
sun is ____ in Sept.: 12 CCW from VE
sun is ____ in Dec.: 18 CCW from VE
If a star with an RA of x transited y hours ago, the LST is...: x + y
The LST is xh. y hours later, the RA of the star will be...: xh

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Number of cards 63