Every Letter Is Silent, Sometimes: A-Z List of Examples Popular in Wordplay See More Flower Etymologies For Your Spring Garden 8 Words for Lesser-Known Musical Instruments 10 Words from Taylor Swift Songs (Merriam's Version) 'Blue Moon,' 'Wolf Moon,' and Other Moons to Look for Throughout...
rotation 翻译 rotation 翻译基本解释 ●rotation：旋转，轮换
1.(captured rotation) The rotation of a natural satellite about its primary in which the period of rotation of the satellite is equal to its orbital period. The same hemisphere thus always faces the primary. The Moon is in synchronous rotation, althoughlibrationallows slightly more than one hemi...
the rotation of the Moonephemerisleast-squares methodspectral analysis methodThe main purposes of this research are the construction of the new high-precision Moon Rotation Series (MRS2011), dynamically adequate to the DE404/LE404 and the DE406/LE406 ephemeris, over long time intervals. The ...
8 Words for Lesser-Known Musical Instruments 10 Words from Taylor Swift Songs (Merriam's Version) 'Blue Moon,' 'Wolf Moon,' and Other Moons to Look for Throughout the Year 10 Scrabble Words Without Any Vowels Games & Quizzes See All...
…a nonuniform unit, namely, the rotation of Earth. Time determined in this way is termed Universal Time. For astronomical purposes, it is preferable to utilize an invariant time frame such as Terrestrial Time (the modern successor to Ephemeris Time)—defined by the motion of the Sun, Moon,...
2. The law of hyperrotation: According to some related physical phenomena and theoretical speculation, the object or system in hyperrotation state may follow the characteristic law different from ordinary rotation. Rotation of celestial bodies on the moon and earth, black hole nebula in the solar ...
the time that the Sun takes to go once around the sky, which is called the synodic period of rotation, or the length of the day, may be longer or shorter than the sidereal period of rotation. Table 1 shows the rotation period and the length of the day for the Moon, and the planets...
If the Earth’s angular velocity is actually decreasing but is assumed to be constant when predicting the position of the Moon, then the observed position of the Moon will appear to be ahead of its predicted position, that is, the Moon will appear to be accelerating in its orbit. That ...
“dark side” of the Moon Better to use the terms “near” and “far” sides of the Moon Appearance of Earth from the Moon Earth would go through same cycle of phases (although they would be “opposite” to those of Moon at a given time) Earth would hang nearly motionless in the ...