100行星说明书
太阳系八大行星资料卡
太阳系八大行星资料卡水星平均日距57,910,000 km AU)直径 4,878 km质量 kg密度 gm/cm重力 G公转地球天自转地球天水星是最靠近太阳的行星，由于水星距离太阳实在太近了，表面温度很高，太空船不易接近，在地球上也不容易观测，因为可观测的时刻都集中在早晨太阳出来的前几分钟，和夕阳落下后的几分钟，时刻不容易掌握，而且，在背景亮度尚高的情形下，要去找一颗比大不了多少的水星，实在不是件轻松的事。
水星是最靠近太阳的行星，所以它运行的速度比其他行星都快，每秒的速度接近48千米，而且不到88天就公转太阳一周。
水星超级小，是由岩石组成的，表面布满被而形成的和坑洞，另外有光滑，稀疏的坑洞。
水星表面另外还有山脊，这是行星在40亿年前核心逐渐冷却与收缩所形成的，因此表面起伏不平。
水星自转的速度超级缓慢，自转一周快要59个，所以水星的一个太阳日（从日出到另一个日出）差不多要176个地球日—相当于水星一年88日的两倍长。
水星的表面温度很差异，向阳面高达430度，阴暗面则在摄氏零下170 度。
当黑夜降临时，由于水星几乎没有大气层温度下降专门快。
大气成份包括由太阳风所捕捉到的微量氦和氢，或许还有一点其他的气体。
金星平均日距 108,200,000 km AU)直径 12, km质量 kg密度 gm/cm重力 G公转地球天自转 243 地球天金星是太阳系第二颗行星，全天最亮的行星就是金星，一般是在早晨或傍晚才看取得，最亮时的亮度可超过 -4，有如一盏挂在山边的路灯，一般的望远镜即可观测，常可看到如月球的盈亏现象。
在古代的，金星代表著美丽的金星是一颗岩石组成的行星，也是距离太阳第二远的行星。
金星在绕太阳公转的同时也缓慢的反方向自转，因此使它成为太阳系中最长的行星，大约需243个地球日。
金星比地球略微小一点，内部构造或许也类似。
金星是除太阳与月球外，天空中最亮的天体，这是因为它的大气层能强烈的反射阳光。
大气层的主要成份是二氧化碳，它能在下吸收更多的热，因此，金星成了最热的行星，表面高温度可达摄氏480度。
天文知识大全100
天文知识大全100以下是100个丰富的天文知识例子：1.地球是太阳系中的第三颗行星，也是唯一一个有生命存在的行星。
2.太阳是太阳系的中心星体，其质量约占太阳系总质量的99.86%。
3.月亮是地球的唯一自然卫星，其直径约为地球的四分之一。
4.银河系是地球所在的星系，其形状呈盘状，包含数百亿颗恒星。
5.星座是人们对星空中固定的星群进行的命名和分类，用于天文观测和导航。
6.北极星是北半球天空中的明亮恒星，可用于确定北方的方向。
7.行星是绕太阳运行的天体，根据离太阳的距离远近分为内行星和外行星。
8.太阳黑子是太阳表面上的暗斑，表示太阳活动周期的变化。
9.彗星是由冰、岩石和气体组成的小天体，它们围绕太阳运行，并在接近太阳时产生尾巴。
10.流星是进入地球大气层的小天体，在空中燃烧并形成明亮的光迹。
11.日食是地球上观测到的太阳被月球或其他天体遮挡的现象。
12.月食是地球上观测到的月亮进入地球阴影区域而变暗的现象。
13.星际尘埃是分布在星系间的微小颗粒，对光的传播和星际物质的演化起着重要作用。
14.天王星是太阳系中最远离太阳的行星，它是一个气态巨大行星。
15.冥王星曾被认为是太阳系的第九颗行星，但现已被重新分类为矮行星。
16.阿波罗计划是美国在20世纪60年代和70年代进行的载人登月计划。
17.巨大的恒星爆发称为超新星，在这个过程中会释放出巨大的能量。
18.伽利略是一位著名的意大利天文学家，他使用望远镜进行了许多重要的天文观测。
19.恒星是太空中持续发光的天体，其能量主要来自核聚变反应。
20.宇宙微波背景辐射是宇宙大爆炸后剩余的辐射，被认为是宇宙起源的证据之一。
21.哈勃空间望远镜是一台在地球外轨道上运行的望远镜，用于观测宇宙中遥远的天体。
22.高能宇宙射线是来自太空中高能粒子的射线，其来源和性质仍然存在许多谜团。
23.地球的自转速度逐渐减慢，每个世纪约减少0.002秒。
24.太阳系中最大的行星是木星，其体积约为其他行星总和的2.5倍。
NGW行星齿轮减速器的参数1
2
．基本参数
（1）公称中心距a及公称传动比i0。
见表Ⅱ-47、表Ⅱ-48、表Ⅱ-49
表Ⅱ-49三级减速器
(2)齿轮模数m，见表Ⅱ-50。
表Ⅱ-50齿轮模数1）
（3）齿形参数：
1）齿形角α0=20°；
2）齿顶高系数h a*=1.0；
3）顶隙c=0.25mm。
4)齿宽系数b a*=0.445～0.5, b a*=b/a0，b——齿轮宽度。
5）行星齿轮个数n p=3。
（4）减速器齿轮的啮合参数见表Ⅱ-51。
表Ⅱ-51减速器齿轮的啮合参数1）
1)a0
i0——公称传动比；
m——模数，mm；
a——实际中心距，mm；
XΣⅠ——外啮合变位系数和；
αtⅠ——外啮合啮合角；
XΣⅡ——内啮合变位系数和；
αtⅡ——内啮合啮合角。
（5）减速器的实际传动比与传动比的分配，见表Ⅱ–52。
表Ⅱ—52减速器的实际传动比及传动比分配（a）单级传动比
表Ⅱ-53单级减速器高速轴许用输入功率
表Ⅱ-54两级减速器高速轴许用输入功率
表Ⅱ-55三级减速器高速轴许用输入功率。
小行星
小行星是太阳系内类似行星环绕太阳运动，但体积和质量比行星小得多的天体。
太阳系中，沿椭圆形轨道绕太阳运行而体积小，从地球上肉眼不能看到的行星。大部分小行星的运行轨道在火星和木星之间。
至今为止在太阳系内一共已经发现了约70万颗小行星，但这可能仅是所有小行星中的一小部分，只有少数这些小行星的直径大于100千米。到1990年代为止最大的小行星是谷神星，但近年在古柏带内发现的一些小行星的直径比谷神星要大，比如2000年发现的伐楼拿（Varuna）的直径为900千米，2002年发现的夸欧尔（Quaoar）直径为1280千米，2004年发现的2004 DW的直径甚至达1800千米。2003年发现的塞德娜（小行星90377）位于古柏带以外，其直径约为1500千米。
天文学家们已经对不少小行星作了地面观察。一些知名的小行星有 Toutais、Castalia、Vesta 和 Geographos 等。对于小行星 Toutatis、Castalia 和Geographos，天文学家是在它们接近太阳时，在地面通过射电观察研究它们的。Vesta 小行星是由哈勃太空望远镜发现的。
我们对小行星的所知很多是通过分析坠落到地球表面的太空碎石。那些与地球相撞的小行星称为流星体。当流星体高速闯进我们的大气层，其表面因与空气的摩擦产生高温而汽化，并且发出强光，这便是流星。如果流星体没有完全烧毁而落到地面，便称为陨星。
经过对所有陨星的分析，其中 92.8%的成分是二氧化硅（岩石），5.7%是铁和镍，剩余部分是这三种物质的混合物。含石量大的陨星称为陨石，含铁量大的陨星称为陨铁。因为陨石与地球岩石非常相似，所以较难辨别。
小行星目录[隐藏]
【概述】
【研究】
【命名】
维基星球 ED80Sf和ED100Sf天文望远镜使用说明说明书
VIXENED80Sf ED100SfVixen Optics a Division of MrStarGuy, Inc. PREFACET hankyouvery much for your purchase of a Vixen astronomical telescopeThis manual applies to the ED80Sf and ED100Sf telescopes. You may occasionally find descriptions in the text not relevant to your particular model. Read the instructions for your mount along with this manual if you purchased the telescope as a complete package.WARNING! Never look directly at the sun with the telescope or its finder or guide scope.Permanent and irreversible eye damage may result.CAUTIONDo not leave the optical tube uncapped in the daytime. Sunlight passing through the telescope or finder scope may cause a fire.Do not use the product while moving or walking, injuries could result from a collision with objects or from stumbling or falling.Keep small caps, plastic bags, or plastic packing materials away from children. These may cause a danger of swallowing or suffocation.Do not use the product in a wet environment and do not handle with wet hands.HANDLING AND STORAGEDo not leave the product inside a car in bright sunshine or in other hot places. Keep any strong heat sources away from the product.When cleaning, do not use solvents such as paint thinner or similar products. Do not expose the product to rain, water, dirt or sand.Avoid touching any lens or mirror surfaces directly with your hands. In case a lens or mirror becomes dirty with fingerprints or general smears, gently wipe it using acommercially available lens cleaner and a lens cleaning paper or cloth, or consult your local Vixen dealer.Blow off dust on lenses using a commercially available blower brush. Do not use compressed air.For storage, keep the product in a dry place and do not expose to direct sunlight.SETTING UP THE TELESCOPE- Refer to your mount instructions along with this manual.ATTACHING THE TELESCOPE TO THE MOUNT (GP2 mount and A80Mf optical tubeshown here)Loosen both the dovetail ‐plate lock screw and safety screw until the tips of these screws nolonger extended into the inner part of the dovetail block. Slide the dovetail mounted scope into the dovetail mounting block as shown in the figure. Tighten the dovetail lock screw (centered on the notch) onto the dovetail tube plate until snug.First tighten the dovetail lock screw, and then tighten the small chrome safety screw onto the dovetail mounting block until snug.Page 1ATTACHING THE FINDER SCOPE(1)Backouttheadjustmentscrewon the finder bracket to allow passage of the finder scope. (Make sure the adjustment screws do not fall off the bracket.)(2)Side the rubber O ‐ring onto the eyepiece end of the finder. There are two grooves on the finder tube. Position the O ‐ring on the narrow groove at the middle of the finder tube.(3) Pull up the fixed stud on the bracket ring and pull it so that the finder tube slides into the bracket ring from its eyepiece end. Release the fixed stud so the wide groove on the finder tube is underneath the stud.(4) Tighten the two adjustment screws so that the finder scope is aligned as shown in the figure.Loosen the finder bracket lock thumbscrew on the telescope.Attach the finder bracket as shown in the figure, tighten the finder bracket lock thumbscrew securely.ALIGNING THE FINDER SCOPE – Be sure to align the finder scope before you begin observing.(1) Choose a conspicuous target in the distance and place the target inthe center of the field of view of the telescope. (In the illustration, a distant tower is brought into the center of the field of view of the telescope.)(2) Next, look through the finder scope. You should probably find thesame target somewhere within the finder’s field of view. (The finder scope has crosshairs.)(3) Align the optical axis (field of view) of the finder scope with theoptical axis (field of view) of the telescope. Adjust the finder scope by loosening or tightening the adjustment screws A and B(In Figure #4 Above) until the target is in the same position, in the center of the crosshairs. (In the illustration, the top of the tower is in the center of the crosshairs.)Page 2ACCESSORY CHART – You may need an eyepiece as sold separately.Visual ConfigurationExample: Calculating the eyepiece magnification of a telescope with 1035mm focal length.Eyepiece Focal length of telescope Focal length of eyepiece MagnificationPL20mm 600 mm 20mm 30xPL 5mm 600 mm 5mm 120x PHOTOGRAPHIC CONFIGURATIONPhotographic Configuration Prime Focus PhotographyEyepiece Projection PhotographyAfocal Imaging Photography Please check if your camera has a filter thread which can fit our DG‐DX ring.Page 3SPECIFICATIONSSpecifications ED80Sf ED100SfItem # 3228 3229Optical Design ED Achromatic RefractorEffective Aperture 80mm 100mmFocal Length 600mm (f/7.5)900mm (f/9.0)Resolving Power 1.45 arc.; 11.3 1.16arc sec; 11.8Light Gathering Power 131x 204xTube Diameter, Length & Weight 100mmx570mm; 3.4kg100mm x 880mm; 3.7kgFinderscope 9x50mm 9x50mmThreads 60mm, 42mm threaded for T‐ring/50.8mm, 31.7mm push‐fit for Tring/31.7mm push‐fitAccessories Flip Mirror, Aluminum Carry Case, Mount Rings, Dovetail PlatePhotographyTotal Weight 8.9kg 19.6 lbs total weight11.5kg25.3 lbs total w/case7.5 lbs optical tube8.2 lbs optical tubeABOUT THE CRAYFORD FOCUSERBoth the ED80Sf and ED100Sf telescopes have the Crayford focuser which uses friction for the focusing mechanism. Follow these instructions for its use.Tighten the tension adjustment screw if the drawtube is loose.Even with the tension knob fully tightened , it is possible , though not recommended, to rotate the focus knobs.Never apply lubricant to the focuser.MrStarGuy, Inc. 1010 Calle Cordillera, San Clemente, CA 92673Page 4。
小行星1至100号资料
5.7
93慧神星
(Minerva 3.144
2.364
2.754
0.142
4.57
)
94彩神星 (Aurora)
3.435
120.67
6130
4.37
55.7
180
6.32
183.7
1970
4.36 4.24 3.82 3.48 4.82
69.2 123.63
350 1270
66.47
310
78.4
500
121.77
6190
4.59
61
240
3.79 3.63 4.32 5.5
81.4
560
79.16
547
180×160× 160
9颖神星 (Metis) 2.678
10健神星 (Hygiea) 3.511
11海妖星
(Parthen 2.697
ope)
12凯神星
(Victori 2.849
a)
13芙女星 (Egeria)
2.794
14司宁星 (Irene) 3.02
15司法星
(Eunomia 3.138
)
16灵神星 (Psyche)
5.17
103.1
约1100
4.55 4.29 4.54
105.6 108.3 115.9
约1200 约1300 约1600
4.61
219×142 4720
3.42
107.6
约1300
41桂神星 (Daphne)
3.517
2.014
2.765
0.272
4.6
239x183x153 约6800
星之星 STARIA 大中型多功能车说明书
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Standard safety equipment includes 3-point seatbelts, headrests, and the latest airbag technologies to keep everyone aboard well-protected.3-point seatbelts/6 airbags3-point seatbelts and adjustable headrests are now standard for all seats. 1st-row supplemental restraints include 2 front and 2 side airbags, while twin grand curtain airbags protect rear-row occupants.HTRAC all-wheel driveWhether you’re driving in snow, in rain or over unpaved roads,HTRAC ensures that all four wheels are providing maximum traction at all times. And for those special times when you want power distribution to be evenly split between the front and rear axles, just press 4WD Lock.Smartstream G3.533.8Maximum Torque kg .m/5,000 rpm272Maximum Power ps/6,400 rpm 44.02.2 CRDi Diesel177Maximum Power ps/3,800 rpmMaximum Torquekg .m/1,500~2,500 rpm3738Smartstream G3.533.8Maximum Torque kg .m/5,000 rpm272Maximum Power ps/6,400 rpm 3-point seatbelts/6 airbags3-point seatbelts and adjustable headrests are now standard for all seats. 1st-row supplemental restraints include 2 front and 2 side airbags, while twin grand curtain airbags protect rear-row occupants.HTRAC all-wheel driveWhether you’re driving in snow, in rain or over unpaved roads,HTRAC ensures that all four wheels are providing maximum traction at all times. And for those special times when you want power distribution to be evenly split between the front and rear axles, just press 4WD Lock.44.02.2 CRDi Diesel177Maximum Power ps/3,800 rpmMaximum Torquekg .m/1,500~2,500 rpmWhether you choose the diesel or gasoline engine, the 6-speed manual or 8-speed automatic gearbox, STARIA’s new and more efficient powertrains unleash powerful performance and a rush of endorphins. When the roads are slippery due to poor weather conditions, HTRAC all-wheeldrive delivers maximum traction to all four wheels so you can keep moving ahead safely. Standard safety equipment includes 3-point seatbelts, headrests, and the latest airbag technologies to keep everyone aboard well-protected.3940Lane Following Assist (LFA)A front camera tracks the lane markers and helps keep the vehicle safely centered within the lane.Forward Collision-Avoidance Assist (FCA)If there’s a danger of a collision with a car, pedestrian, or cyclist, FCA provides an early warning and, if necessary, it automatically brakes for you. It also detects oncoming vehicles at intersections to promote safer left turns.Safe Exit Assist (SEA)When the occupant opens the door to exit the vehicle after a stop, if an approaching vehicle from the rear side is detected, the function provides a warning. The function also helps keep the rear door closed through operation of the power sliding ne Keeping Assist (LKA)A front view camera detects lane markers and road edges helping preventunintentional lane departures. When the vehicle strays from its lane (or road), the system sets off a visual and sound alarm and automatically steer the vehicle to prevent it from moving out of its lane (or road).Smart Cruise Control (SCC)Smart Cruise Control helps maintain distance from the vehicle ahead and drive at a speed, set by the driver.Rear Cross-Traffic Collision-Avoidance Assist (RCCA)RCCA warns of the approach of a vehicle across the rearward path when reversing and, if necessary, emergency braking is applied.Blind-Spot Collision-Avoidance Assist (BCA)When operating the turn signal switch to change lanes, if there is a risk of collision with a rear side vehicle, the system provides a warning. After the warning, if the risk of collision increases, the function automatically controls the vehicle to help avoid a collision. If exiting a parallel parking spot and there is a risk of collision with a rear side vehicle, the function automatically assistswith emergency braking.4142* Features and specifications vary by market. Please consult your local dealer.10.25″ cluster (optional)Full LED headlampsBulb MFR headlamps (standard)Walk-in deviceTouch-type outside door handle (1st row)Flush glass (optional)Shift-by-wire automatic transmission 1st-row ventilated seatsLED headlamps (optional)Dual sunroof (optional_wagon only)1st-row double-laminated soundproof glass 2nd-row heated seats Roof tray2nd-row ventilated seatsUSB outlets at all seats (wagon only)Semi-punched leather-wrapped steering wheel Full-auto air conditioning system 17″ steel wheels17″ alloy wheels 18″ dark gray alloy wheels 18″ tinted brass alloy wheels 18″ alloy wheels (wagon only)8″ display audio 4.2″ cluster (standard)STARIA Premium Tinted brass chrome bumper STARIA (Wagon/Van)4344● The above values are results from internal testing and are subject to change after validation.● Some of the equipment illustrated or described in this catalog may not be supplied as standard equipment and may be available at extra cost.● Hyundai Motor Company reserves the right to change specifications and equipment without prior notice.● The color plates shown may vary slightly from the actual colors due to the limitations of the printing process.● Please consult your dealer for full information and availability on colors and trims.SpecificationsUnit : mm * Wheel tread • 18″ wheel (front/rear) : 1,721/1,732 • 17″ wheel (front/rear) : 1,732/1,743 • 17″ wheel for van only (front/rear) : 1,732/1,7161,990(Van only : 2,000)Overall Width Wheel Tread *1,9971,721Wheel Tread *1,7325,2533,273Overall Length Wheel Base Exterior colorsInterior colors Creamy white (YAC) **Graphite gray metallic (P7V)Moonlight blue pearl (UB7)Dynamic yellow (NFA) *Abyss black pearl (A2B) **Shimmering silver metallic (R2T) **Olivine gray metallic (X5R)Brass chrome(brass chrome package)Dark chromeGaia brown pearl(D25)* Wagon/Van only ** Brass chrome packageBlack monotone interior (nappa leather )Blue two-tone interior_Color Package (embossed leather )Black monotone interior (embossed synthetic leather )Black monotone interior (embossed leather )Black monotone interior (synthetic leather )Beige two-tone interior (embossed leather )Beige two-tone interior (synthetic leather )Black monotone interior (cloth )(embroidered leather )Blue two-tone interior (nappa leather )(embroidered leather )Brown two-tone interior (nappa leather )(embroidered leather )Gray two-tone interior (nappa leather )(embroidered leather )* N appa leather is for premium 7-seater onlyPremium combinationDealer stampHyundai Motor CompanyGEN. LHD 2107 ENG. WDCopyright © 2021 Hyundai Motor Company. All Rights Reserved.。
太阳系八大行星
二的南极有温暖的海洋，土卫二或 土星有土星环 存在生命。寻找太空生命又向前迈 在太阳系的行星中，土星的光环最惹人注目，它使土星看上去就像戴着 进了一步。 土星卫星较多
截止2012年已发现62颗卫星
一顶漂亮的大草帽。观测表明构成光环的物质是碎冰块、岩石块、尘埃、颗 粒等，它们排列成一系列的圆圈，绕着土星旋转。
木星合月
木星和月亮正好运行到同一经度上，两者距离达到最近的天象。 一年中行星合月的现象会发生几十次，除“金星合月”之外，“木星 合月”是观赏效果最好的。
木星冲日
太阳、地球和木星排成一条直线。每过1年又34天，木星、地球、 太阳在一条直线上，天文学上称为"木星冲日"，届时，木星将达到最 亮，亮度仅次于金星，整夜可见。
太阳系小天体
流星体
流星体是太阳系内，小至沙尘，大至巨砾，成为颗粒状的碎片。流星体进 入地球(或其他行星)的大气层之后，在路径上发光并被看见的阶段则被称为流 星。许多流星来自相同的方向，并在一段时间内相继出现，则称为流星雨。
陨石
是穿越过地球大气层并与地面撞击之后未被毁坏的小行星或流星体的残余部 分。
海王星（Neptune）
第一颗被计算出来的行星
天王星被发现后，它的实测位置总是与理论计算有出入。究竟是万有引 力定律的正确性值得怀疑，还是因为一个原来未加考虑的未知天体在作祟？ 英国剑桥大学23岁的大学生亚当斯，通过两年艰苦计算与分析，终于在1845 年算出这颗未知行星的轨道，并报出它将出现的时间、位置和亮度，请求寻 找，但没有受到重视。稍后，完全不知亚当斯其人其事的法国青年天文学家 勒威耶耶做了同样的工作，得出了同样的结论。这一次受到重视，终于在 1846年根据预告的亮度和方向找到了这颗新行星。与勒威耶的计算结果仅偏 差1°