An annular eclipse occurs instead of a total eclipse when the Moon is on the far part of its elliptical orbit around the Earth.

而發(fā)生日環(huán)食而不是日全食的是因?yàn)樵铝吝\(yùn)行到距離地球較遠(yuǎn)的軌道上，于是月亮的本影只能遮到太陽(yáng)的中心三级片毛片免费。

Mars' elliptical orbit is the cause of its unusual brightening this year and its apparent large size.

Mars'的橢圓軌道和它的明顯的巨大尺寸是今年一個(gè)不平常的閃亮點(diǎn)欧美韩日一区二区特黄。

If the elliptical orbit, the orbital half-length l Drive; if the parabolic orbit, is infinity; if hyperbolic orbit, for a l negative.

若是橢圓軌道，為軌道半長(zhǎng)l徑欧美中文字幕伦交视频；若是拋物線軌道最新亚洲第一页，為無(wú)窮大；若是雙曲線軌道一级毛片免费不卡，為一l負(fù)值狂艹美女。

The natural satellite of Earth, visible by reflection of sunlight and having a slightly elliptical orbit, approximately 356,000 kilometers (221,600 miles) distant at perigee and 406,997 kilometers (252,950 miles) at apogee.

月亮，月球：地球的天然衛(wèi)星午夜在线观看国产剧情视频，通過(guò)反射太陽(yáng)光而發(fā)光华人AV网站，并有一個(gè)略呈橢圓形的軌道，在近地點(diǎn)時(shí)成年黄页免费在线观看，距離約有356欧美特黄特级作爱大片亚洲性人人，000公里221国产性受XXXX白人性爽，600英里）特一级大黄片性高潮，在遠(yuǎn)地點(diǎn)距離約有406，997公里(252偷拍偷窥第一页，950英里）成h人视频网站。

In fact, tonight's Moon reaches its full phase at 1637 UT, within only a few hours of perigee, the closest point in its elliptical orbit.

事實(shí)上，今晚的月亮將在世界時(shí)間16點(diǎn)37分達(dá)到滿月相位先锋影音最新av资源网址，僅僅是月球在到達(dá)近地點(diǎn)數(shù)個(gè)小時(shí)之后欧美日韩色图，月球位于近地點(diǎn)時(shí)，其橢圓軌道距離地球最近在线看黄AV免费看。

The natural satellite of Earth, visible by reflection of sunlight and havin滿月 g a slightly elliptical orbit, approximately 356,000 kilometers (221,600 miles) distant at perigee and 406,997 kilometers (252,950 miles) at apogee.

月亮在线观看91精品国产婷婷，月球：地球的天然衛(wèi)星，通過(guò)反射太陽(yáng)光而發(fā)光免费观看一级免费观看一级黄片视频，并有一個(gè)略呈橢圓形的軌道最新在线观看精品国产福利片，在近地點(diǎn)時(shí)，距離約有356激情性爱视频全黄色，000公里221性爱综合，600英里），在遠(yuǎn)地點(diǎn)距離約有406欧美变态视频，997公里(252性无码视频网站，950英里）。

If the satellite has an elliptical orbit, the result is a spiral wave, a miniature version of the pinwheel pattern of our galaxy.

如果衛(wèi)星的軌道是橢圓的亚洲三级片中文字幕，就會(huì)產(chǎn)生螺旋波网站久久精品，就像是銀河系紙風(fēng)車形狀的縮影91日韩手机在线视频。

Magnetospheric MultiScale mission design needs spacecrafts flying in a regular tetrahedron configuration about the apogee of an elliptical orbit.

Magnetospheric MultiScale任務(wù)利用橢圓軌道遠(yuǎn)地點(diǎn)附近的正四面體航天器編隊(duì)，協(xié)同完成對(duì)地球磁層結(jié)構(gòu)和動(dòng)力學(xué)特性的測(cè)量和分析国产女精品视频网站视频网站免费。

The line that passes through the center of the Earth linking the perigee and apogee, known as the line of apsides, itself rotates in the orbital plane at a speed that depends on the geometry of the elliptical orbit and the inclination of the orbital plane to the equator.

經(jīng)過(guò)地球中心免费观看A级毛片久久，連接近地點(diǎn)和遠(yuǎn)地點(diǎn)的線稱為apside線，衛(wèi)星在軌道平面上以某個(gè)速度旋轉(zhuǎn)A片插一插，這個(gè)旋轉(zhuǎn)速度根據(jù)橢圓軌道以及軌道平面到赤道的傾角的幾何學(xué)來(lái)計(jì)算玩成熟老熟女视频二区。

The first two extra flights were deep-space missions, with C taur boosting the spacecraft into an elliptical orbit with an apogee of some 80,000 kilometers to study navigation and reentry problems.

最先 增加的兩次飛行屬于深層太空任務(wù)，利用森托爾將飛船送人遠(yuǎn)地點(diǎn)為大約8萬(wàn)千米的橢圓型軌道以研究導(dǎo)航和重返大氣層等問(wèn)題国产精品人人爽人人做。