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486 件产品

探索联盟礼物：您怎么知道？ - 第49集：'“哈勃常数神秘”
Explore Scientific
探索联盟礼物：您怎么知道？ - 第49集：'“哈勃常数神秘” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第4集：'在粘土中建模月亮的表面
Explore Scientific
探索联盟礼物：您怎么知道？ - 第4集：'在粘土中建模月亮的表面 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第51集：“了解行星星云”
Explore Scientific
探索联盟礼物：您怎么知道？ - 第51集：“了解行星星云” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
On the night of 1612 December 27/28, Galileo sketched the positions of Jupiter’s moons, and included a background "star" which was identified in 2009 to be the planet Neptune.
Explore Scientific
探索联盟礼物：您怎么知道？ - 第52集：“谁发现海王星？” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
Henry Cavendish conducted his gravity experiment in 1798, seventy-one years after the death of Isaac Newton.
Explore Scientific
探索联盟礼物：您怎么知道？ - 第53集：“找到G的价值” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第54集：“探索Valles Marineris”探索联盟礼物：您怎么知道？ - 第54集：“探索Valles Marineris”
Explore Scientific
探索联盟礼物：您怎么知道？ - 第54集：“探索Valles Marineris” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第5集：“从苹果到月球”
Explore Scientific
探索联盟礼物：您怎么知道？ - 第5集：“从苹果到月球” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第6集：'伽利略探索带摆的重力''
Explore Scientific
探索联盟礼物：您怎么知道？ - 第6集：'伽利略探索带摆的重力'' 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第7集：“放大：是的，您可以...不，您不能！”
Explore Scientific
探索联盟礼物：您怎么知道？ - 第7集：“放大：是的，您可以...不，您不能！” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第8集：“探索月球表面”
Explore Scientific
探索联盟礼物：您怎么知道？ - 第8集：“探索月球表面” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
探索联盟礼物：您怎么知道？ - 第9集：“影响力和陨石坑”
Explore Scientific
探索联盟礼物：您怎么知道？ - 第9集：“影响力和陨石坑” 促销价格$ 0.00
Take 15% off w/ code HOLIDAY15
Explore Scientific
探索联盟大学：如何极化您的德国赤道安装 促销价格$ 30.00
Take 15% off w/ code HOLIDAY15
Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1001400EQ3Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1001400EQ3
Explore Scientific
探索带 EQ3 安装架的 FirstLight 100mm Mak-Cassegrain 望远镜 - FL-MC1001400EQ3 促销价格$ 319.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 100mm Mak-Cassegrain Telescope with Twilight Nano Mount - FL-MC1001400TN探索 FirstLight 100mm Mak-Cassegrain 望远镜，配备 Twilight Nano Mount - FL-MC1001400TN
Explore Scientific
探索 FirstLight 100mm Mak-Cassegrain 望远镜，配备 Twilight Nano Mount - FL-MC1001400TN 促销价格$ 329.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 102mm Doublet Refractor Telescope with Twilight Nano Mount - FL-AR102600TNExplore FirstLight 102mm Doublet Refractor Telescope with Twilight Nano Mount - FL-AR102600TN
Explore Scientific
探索带暮光纳米支架的 FirstLight 102 毫米双合透镜折射望远镜 - FL-AR102600TN 促销价格$ 249.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 114mm Newtonian Telescope with EQ3 Mount - FL-N114500EQ3Explore FirstLight 114mm Newtonian Telescope with EQ3 Mount - FL-N114500EQ3
Explore Scientific
探索带 EQ3 安装座的 FirstLight 114mm 牛顿望远镜 - FL-N114500EQ3 促销价格$ 199.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount - FL-N114500TNExplore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount - FL-N114500TN
Explore Scientific
探索 FirstLight 114 毫米牛顿望远镜与暮光纳米安装 - FL-N114500TN 促销价格$ 179.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 127mm Mak-Cassegrain Telescope - Optical Tube Only - FL-MC1271900首先探索127mm mak -cassegrain望远镜 - 仅光管-FL -MC1271900
Explore Scientific
首先探索127mm mak -cassegrain望远镜 - 仅光管-FL -MC1271900 促销价格$ 449.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 127mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1271900EQ3Explore FirstLight 127mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1271900EQ3
Explore Scientific
探索带 EQ3 支架的 FirstLight 127mm Mak-Cassegrain 望远镜 - FL-MC1271900EQ3 促销价格$ 529.99
Take 15% off w/ code HOLIDAY15
探索带 EXOS2GT GoTo 支架的 FirstLight 127mm Mak-Cassegrain 望远镜 - FL-MC1271900EXOS2GT
Explore Scientific
探索带 EXOS2GT GoTo 支架的 FirstLight 127mm Mak-Cassegrain 望远镜 - FL-MC1271900EXOS2GT 促销价格$ 999.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight I Mount - FL-MC1271900MAZ01Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight I Mount - FL-MC1271900MAZ01
Explore Scientific
探索 FirstLight 127 毫米 Mak-Cassegrain 望远镜与暮光 I 安装 - FL-MC1271900MAZ01 促销价格$ 849.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight Nano Mount - FL-MC1271900TNExplore FirstLight 127mm Mak-Cassegrain Telescope with Twilight Nano Mount - FL-MC1271900TN
Explore Scientific
探索 FirstLight 127mm Mak-Cassegrain 望远镜，配备 Twilight Nano Mount - FL-MC1271900TN 促销价格$ 499.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 80mm CF Telescope Go-To Tracker Combo with Solar FilterExplore FirstLight 80mm CF Telescope Go-To Tracker Combo with Solar Filter
Explore Scientific
探索首先探索80mm望远镜的首要跟踪器组合 促销价格$ 379.99
Take 15% off w/ code HOLIDAY15
探索首先探索80mm望远镜的首要跟踪器组合探索首先探索80mm望远镜的首要跟踪器组合
Explore Scientific
探索首先探索80mm望远镜的首要跟踪器组合 促销价格$ 129.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 80mm Refractor Telescope with Twilight Nano Mount - FL-AR80640TNExplore FirstLight 80mm Refractor Telescope with Twilight Nano Mount - FL-AR80640TN
Explore Scientific
探索带 Twilight 纳米支架的 FirstLight 80 毫米折射望远镜 - FL-AR80640TN 促销价格$ 159.99
Take 15% off w/ code HOLIDAY15
探索首先探索80mm望远镜的首要跟踪器组合探索首先探索80mm望远镜的首要跟踪器组合
Explore Scientific
探索首先探索80mm望远镜的首要跟踪器组合 促销价格$ 129.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight 80mm Telescope Go-To Tracker ComboExplore FirstLight 80mm Telescope Go-To Tracker Combo
Explore Scientific
探索首先探索80mm望远镜的首要跟踪器组合 促销价格$ 369.99
Take 15% off w/ code HOLIDAY15
Explore FirstLight Twilight Nano Mount - FL-TWINANOT1-00
Explore Scientific
探索 FirstLight Twilight Nano Mount - FL-TWINANOT1-00 促销价格$ 99.99
Take 15% off w/ code HOLIDAY15
节省 $ 7.99
Explore One Interactive Fun BoardExplore One Interactive Fun Board
Explore One
探索一个互动娱乐板 促销价格$ 12.00 原价$ 19.99
Take an extra 15% off w/ code HOLIDAY15

4 种颜色可选

Explore Scientific 1.25" Variable Polarizing FilterExplore Scientific 1.25" Variable Polarizing Filter
Explore Scientific
探索科学1.25“可变偏振滤波器 促销价格$ 58.99
Take 15% off w/ code HOLIDAY15
Explore Scientific FirstLight 90mm Doublet Refractor Telescope with AZ Mount - FL-AR90500AZExplore Scientific FirstLight 90mm Doublet Refractor Telescope with AZ Mount - FL-AR90500AZ
Explore Scientific
探索带 AZ 安装座的 Scientific FirstLight 90 毫米双合透镜折射望远镜 - FL-AR90500AZ 促销价格$ 89.99
Take 15% off w/ code HOLIDAY15
Explore Scientific Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm)Explore Scientific Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm)
Explore Scientific
探索科学扩展环集M48x0.75-5件（30、20、15、10和5毫米） 促销价格$ 69.99
Take 15% off w/ code HOLIDAY15
Bresser Extension Tube 2"/35mm
Bresser
Bresser扩展管2“/35mm 促销价格$ 34.95
Take 15% off w/ code HOLIDAY15
Explore Scientific FCD100 Series 127mm f/7.5 Aluminum Air-Spaced Triplet ED APO Refractor TelescopeExplore Scientific FCD100 Series 127mm f/7.5 Aluminum Air-Spaced Triplet ED APO Refractor Telescope
Explore Scientific
探索科学 FCD100 系列 127mm f/7.5 铝制空气间隔三重 ED APO 折射望远镜 促销价格$ 2,499.99
Take 15% off w/ code HOLIDAY15
节省 $ 450.00
Explore Scientific FCD100 Series 127mm f/7.5 Carbon Fiber Triplet ED APO Refractor Telescope with 2.5" HEX FocuserExplore Scientific FCD100 Series 127mm f/7.5 Carbon Fiber Triplet ED APO Refractor Telescope with 2.5" HEX Focuser
Explore Scientific
探索带有 2.5" HEX 聚焦器的 Scientific FCD100 系列 127mm f/7.5 碳纤维三联体 ED APO 折射望远镜 促销价格$ 2,149.99 原价$ 2,599.99
Take an extra 15% off w/ code HOLIDAY15
探索科学田野f/5至f/7探索科学田野f/5至f/7
Explore Scientific
探索科学田野f/5至f/7 促销价格$ 149.99
Take 15% off w/ code HOLIDAY15
Bresser Field Tripod BR-3Bresser Field Tripod BR-3
Bresser
Bresser Field三脚架BR-3 促销价格$ 111.95
Take 15% off w/ code HOLIDAY15
Finder Scope Base with Mounting ScrewsFinder Scope Base with Mounting Screws
Explore Scientific
带安装螺钉的 Finder 瞄准镜底座 促销价格$ 49.99
Take 15% off w/ code HOLIDAY15
Finder Scope Illuminator
Explore Scientific
仅取景器范围照明器 促销价格$ 49.99
Take 15% off w/ code HOLIDAY15
找到进入星星的方式 - 迈克尔·韦斯纳（Michael Weasner）的自传
Explore Scientific
找到进入星星的方式 - 迈克尔·韦斯纳（Michael Weasner）的自传 促销价格$ 14.95
Take 15% off w/ code HOLIDAY15
节省 $ 5.00
消防车折叠帐篷消防车折叠帐篷
Explore Hut
消防车折叠帐篷 促销价格$ 19.99 原价$ 24.99
Take an extra 15% off w/ code HOLIDAY15
节省 $ 92.31
G400系列10x42双筒望远镜G400系列10x42双筒望远镜
Explore Scientific
G400系列10x42双筒望远镜 促销价格$ 117.64 原价$ 209.95
Take an extra 15% off w/ code HOLIDAY15
节省 $ 173.49
G400系列10x50双筒望远镜G400系列10x50双筒望远镜
Explore Scientific
G400系列10x50双筒望远镜 促销价格$ 176.46 原价$ 349.95
Take an extra 15% off w/ code HOLIDAY15
节省 $ 82.31
G400系列8x42双筒望远镜G400系列8x42双筒望远镜
Explore Scientific
G400系列8x42双筒望远镜 促销价格$ 117.64 原价$ 199.95
Take an extra 15% off w/ code HOLIDAY15
节省 $ 114.67
Explore Scientific G600 ED Series 10x42 BinocularsExplore Scientific G600 ED Series 10x42 Binoculars
Explore Scientific
探索科学G600 ED系列10x42双筒望远镜 促销价格$ 235.28 原价$ 349.95
Take an extra 15% off w/ code HOLIDAY15
节省 $ 164.67
Explore Scientific G600 ED Series 8x42 BinocularsExplore Scientific G600 ED Series 8x42 Binoculars
Explore Scientific
探索科学G600 ED系列8x42双筒望远镜 促销价格$ 235.28 原价$ 399.95
Take an extra 15% off w/ code HOLIDAY15
节省 $ 70.00
伽利略天文望远镜教育套装伽利略天文望远镜教育套装
Explore Scientific
伽利略天文望远镜教育套装 促销价格$ 55.97 原价$ 125.97
Take an extra 15% off w/ code HOLIDAY15
节省 $ 55.00
Galileoscope Refractor Telescope Kit - GSCOPEGalileoscope Refractor Telescope Kit - GSCOPE
Explore Scientific
Galilesoscope折射望远镜茎套件-GSCOPE 促销价格$ 24.99 原价$ 79.99
Take an extra 15% off w/ code HOLIDAY15

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