| 单词 | solar day |
| 例句 | While the Gregorian calendar is based on the solar day, the traditional Chinese calendar is lunisolar — a solar year subdivided into lunar cycles of 29.53 days. The Complex Challenge of Chinese Time 2012-09-04T15:07:03Z Yes, year-round standard time ensures that the solar day is centered on 12 p.m. Opinion | Stop changing clocks, but don’t keep it standard 2022-11-08T05:00:00Z Likewise, the clocks we developed to schedule our days were conceived to align with the 24-hour solar day. Why daylight saving time is worse for your body than standard time For many years it was defined as 1/86,400 of a mean solar day. College Physics for AP Courses 2015-08-12T00:00:00Z So the solar day is about 4 minutes longer than the sidereal day. Astronomy 2016-10-13T00:00:00Z The Earth generally rotates on its axis, relative to the Sun, once every 86,400 seconds, which is why each of our solar days equals 24 hours. Time flies: The Earth is rotating faster than expected 2021-01-08T05:00:00Z Year-round daylight saving, not standard, time would keep our internal clocks aligned with society, placing the middle of the solar day at 1 p.m., the middle of our workday. Opinion | Stop changing clocks, but don’t keep it standard 2022-11-08T05:00:00Z So, your internal clock may remain slightly longer than 24 hours, causing you to drift out of sync with the solar day. Why daylight saving time is worse for your body than standard time If you want to get weird, start reading up on Mercury and Venus’ solar days. Shaky rings help scientists measure Saturn’s days 2019-01-18T05:00:00Z The exact length of an apparent solar day varies slightly during the year. Astronomy 2016-10-13T00:00:00Z Of night she says, “That’s the downside of living on a planet with a short solar day.” Review: In ‘Tully,’ a rare close-up of postnatal motherhood 2018-05-02T04:00:00Z The Nov. 6 news article “Why daylight saving time is worse for your body than standard time” noted that “our internal clock” is “in sync with the solar day.” Opinion | Stop changing clocks, but don’t keep it standard 2022-11-08T05:00:00Z More importantly, our internal clock would stay in sync with the solar day. Why daylight saving time is worse for your body than standard time A Martian sol, or solar day, is equivalent to 24 hours, 39 minutes and 35 seconds. NASA’s Mars rover Curiosity marks 2,000th day on red planet 2018-03-23T04:00:00Z A mean solar day contains exactly 24 hours and is what we use in our everyday timekeeping. Astronomy 2016-10-13T00:00:00Z The term “sol” is used to describe one “solar day” on Mars, which is how long it takes for the planet to rotate once around its axis. NASA’s Opportunity rover surpasses 5,000 Martian days on the Red Planet 2018-02-19T05:00:00Z Most people’s natural cycle is somewhat longer than the 24-hour solar day, which means that, left to our own devices, we would quickly get out of sync with the external world. Yes, Your Sleep Schedule Is Making You Sick 2017-03-10T05:00:00Z These remarkable innovations allowed human society to divorce itself from the solar day and night. Why You Should Pay Attention to Your Body’s Internal Clock 2016-09-15T04:00:00Z As a result, our global standard of time, known as Coordinated Universal Time, or UTC, occasionally becomes misaligned with UT1—the marker used to measure the actual length of one mean solar day. As Earth's Spin Slows, Clocks Get Another Leap Second 2015-06-30T04:00:00Z Apparent solar time is based on the position of the Sun in the sky, and mean solar time is based on the average value of a solar day during the year. Astronomy 2016-10-13T00:00:00Z A mean solar day — based on the time it takes the Earth to rotate once — is calculated to be 86,400 seconds. New York Today: Freedom From Foam 2015-06-30T04:00:00Z The reason we don’t all walk around in a state of perpetual jet lag, waking and sleeping at random, is that our circadian rhythm evolved to be tied to the solar day. Yes, Your Sleep Schedule Is Making You Sick 2017-03-10T05:00:00Z Could we detach our concept of time from the solar day? 2015 is getting an extra second and that's a bit of a problem for the internet 2015-01-07T05:00:00Z The solar day would always be 24 hours if the sun “moved” east against the background of fixed stars at a constant rate. Equation Of Time Watches Allow Us A Glimpse Of The Solar System 2015-01-07T05:00:00Z Usually, we think of it as the rotation period of Earth with respect to the Sun, called the solar day. Astronomy 2016-10-13T00:00:00Z Well, the primary reason behind it all is that a day - a solar day to be precise - is not always exactly 24 hours. Why do mornings get darker after 21 December? 2014-12-20T05:00:00Z This, along with exposure to the light, sets the body’s internal clock according to the solar day. The Fast and the Not Necessarily Furious Ramadan Mood and Circadian Rhythms 2013-08-05T14:15:03.530Z The adjustment is needed to reflect a slowing in the Earth's rotation which gradually prolongs the solar day. IHT Rendezvous: The 61-Second Minute, But Blink and You'll Miss It 2012-06-30T13:42:47Z The solar day is the fundamental unit of time, not only in daily life but in astronomical practice. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" 2012-02-17T03:00:33.923Z To complete a solar day, Earth must rotate an additional amount, equal to 1/365 of a full turn. Astronomy 2016-10-13T00:00:00Z Then a sidereal day is three minutes fifty-six seconds shorter, than a solar day of twenty-four hours. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z A true solar day, from noon to noon, is 51 seconds shorter in September than in December. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z It's the length of a solar day on Mars. Pay up Pompey, Pompey pay up 2010-03-24T16:34:00Z The latter are divided into sidereal hours, minutes and seconds as the solar day is. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" After the invention of mechanical clocks that run at a uniform rate, it became necessary to abandon the apparent solar day as the fundamental unit of time. Astronomy 2016-10-13T00:00:00Z It revolves round the sun in 1511.10 solar days, and is about 2� times the distance of the earth from the sun. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli The length of the sidereal day is to the mean solar day as .99727 to 1, and various attempts have been made by trains of wheels to obtain this relation—but all are somewhat complicated. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" He also remained in the dungeon for the space of a solar day. History of Morgan's Cavalry So we must remember that its use in Genesis has a much wider meaning than its absurd theological interpretation into seven solar days. Carmen Ariza In a part of Earth’s orbit where Earth is moving faster than usual around the Sun, would the length of the solar day change? Astronomy 2016-10-13T00:00:00Z The clock is constructed to mark uniform time in such wise that the length of the clock day shall be the average of all the solar days in the year. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" In latitudes not described as separate we have reports of the solar day apparently contradictory. Great Men and Famous Women, Vol. 7 A Series of Pen and Pencil Sketches of the Lives of More Than 200 of the Most Prominent Personages in History The sun makes a similar but still lower pair of low elevations to travel round once in a solar day of 24 hours. Pioneers of Science The mean solar days are all exactly the same length; they are equal to the length of the average apparent solar day; and they are each four minutes longer than a sidereal day. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture This is the most natural and the most accurate measure of time for the navigator at sea and the unit of time adopted by the mariner is the apparent solar day. Lectures in Navigation The solar day is thus one of twenty-four hours. Astronomy for Amateurs The solar day, the solar year, and the lunar month, or lunation, may therefore be called the natural divisions of time. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" The next connection likely to be observed would be that the interval between two day tides was not exactly a solar day of twenty-four hours, but a lunar day of fifty minutes longer. Pioneers of Science The sidereal day and the mean solar day necessitate some means of registering time, such as clocks; therefore the original day in use must have been the apparent solar day. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture An apparent or solar day is the interval of time it takes for the earth to revolve completely around on its axis every 24 hours. Lectures in Navigation Or does thy unprophetic fire Thro' the wide realms of solar day Mad Heat or purple Pestilence inspire? Gustavus Vasa and other poems The periods of evacuating the bowels are generally connected with some part of the solar day, as well as with the acrimony or distention occasioned by the feces. Zoonomia, Vol. I Or, the Laws of Organic Life Thus it comes to pass that solar days, or the intervals elapsing between one return of the sun to the meridian and another, are by no means equal. Scientific American Supplement, No. 358, November 11, 1882 The revolutions of the satellites are too rapid and their periods too brief to be of service in dividing their year of 668-2/3 solar days. Across the Zodiac The Second is the time of one swing of a pendulum making 86,164.09 swings in a sidereal day, or 1/86,400 part of a mean solar day. The Story of Electricity The lunar months, like the solar days, had been diminished by one-half. Off on a Comet! a Journey through Planetary Space |
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