(a.) A great circle of the celestial sphere, making an angle with the equinoctial of about 23¡ 28'. It is the apparent path of the sun, or the real path of the earth as seen from the sun.
(a.) A great circle drawn on a terrestrial globe, making an angle of 23¡ 28' with the equator; -- used for illustrating and solving astronomical problems.
(a.) Pertaining to the ecliptic; as, the ecliptic way.
(a.) Pertaining to an eclipse or to eclipses.
Example Sentences:
(1) I lost interest in Ecliptic about 20,000 words in, and UoW just sort of shouldered it out of the way.
(2) • 111 SW 5th Avenue, portlandcitygrill.com Ecliptic Brewing Facebook Twitter Pinterest More than a few locals I spoke to referred to John Harris, who started Ecliptic in 2013, as a “legend”.
(3) Ecliptic is near the Fremont Bridge in the Mississippi district and the cavernous bar-restaurant is home to its brewery (tours available Mon-Tue, Thur-Fri).
(4) "There are a wealth of fantastically interesting targets for astrophysics that can be observed in the ecliptic plane, which were not accessible in the original Kepler field, notably brighter clusters of stars – where the common origins and distances to these stars make the clusters excellent laboratories for testing our understanding of stars – and young, star-forming regions," said Chaplin.
Equinox
Definition:
(n.) The time when the sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal.
(n.) Equinoctial wind or storm.
Example Sentences:
(1) Dose rates are integrated with respect to time to obtain estimates of mean doses for various periods during clear days at Rockville in mid summer and near the autumnal equinox.
(2) The date of the spring equinox varies from 19 to 21 March depending on location and corrections due to the mismatch between the Gregorian calendar, which logs 365 days a year, and the duration of Earth's orbit around the sun, which takes 365.25 days to complete.
(3) Plasma melatonin was measured at the summer and winter solstices and the autumn and spring equinoxes in Romney Marsh sheep held under natural conditions in South Australia (35 degrees S).
(4) Female Suffolk sheep were pinealectomized around the vernal equinox to eliminate the major environmental input to the reproductive system (photoperiod) and then either isolated from, or maintained with, pineal-intact gonad-intact sheep.
(5) At 6-14 days after each of the solstices and equinoxes, six females were exposed to a photoperiod equivalent to the natural day length at these times.
(6) Seven out of 14 acrophases of cyclic indices occurred just before autumnal equinox and three before vernal equinox.
(7) While the equinox signals a time when day and night are equal, the moment when both share 12 hours apiece happens days earlier, because of atmospheric effects.
(8) At approximately the spring and autumn equinox and the summer and winter solstice, rats were killed at 3-h intervals over a 24 h period and their serum thyroxine (T4), triiodothyronine (T3) and reverse T3 levels were determined.
(9) At higher latitudes, where changes in daylength are pronounced, a steep increase in human conceptions coincides with the vernal equinox.
(10) With less than a week to go until the Sun crosses northwards over the equator at the vernal equinox, it is showing real signs of rebirth in another respect.
(11) Downstream of the zone, a man called Sanders arrives at a remote town called Port Matarre just before the equinox.
(12) In a group of six rams, the seasonal changes of melatonin were characterized in samples collected at 10-min intervals for an equal period before and after the median of the scotophase during the spring (March) and the autumn (September) equinoxes, and also during the summer (June) and the winter (December) solstices.
(13) The mitotic activity in the adenohypophysis of male rats during a 24 hours' cycle has been studied at the time of the spring equinox.
(14) Shortly after the autumnal equinox, three groups of ovariectomized ewes bearing s.c. Silastic implants of estradiol were placed in different lighting environments.
(15) In both stations, at solstice and equinox, thirty 15 month-old Holstein bulls were blood sampled for plasma LH, testosterone, thyroxine and triiodothyronine determination.
(16) Swedish law would not allow them to be sued in Sweden, but the British publishers of the paper, Equinox, withdrew it under the threat of a libel suit in the English courts.
(17) Interpreted according to this hypothesis, the sexual cycle of the mink under natural photoperiodic conditions is also explained by seasonal gonadotropic stimulation beginning after the autumn equinox when in our latitudes daily light duration is less than 12 hr.
(18) At the equinoxes and solstices, unrestricted subjects had hourly urine collections followed by venous blood sampling taken under natural light conditions for 24 hours.
(19) For those in the southern hemisphere, the same equinox marks the arrival of autumn and longer nights.
(20) The rats were analyzed at 3 h intervals during 24 h approximately at the time of the vernal and autumnal equinox and at the winter and summer solistice.