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Henry Cavendish conducted his gravity experiment in 1798, seventy-one years after the death of Isaac Newton.
Explore Scientific
Explore Alliance Presents: How Do You KNOW? – Episode #53: ''Finding the Value of G" Sale price$ 0.00
Explore Alliance Presents: How Do You KNOW? – Episode #54: "Exploring Valles Marineris"Explore Alliance Presents: How Do You KNOW? – Episode #54: "Exploring Valles Marineris"
Explore Scientific
Explore Alliance Presents: How Do You KNOW? – Episode #54: "Exploring Valles Marineris" Sale price$ 0.00
Explore Alliance Presents: How Do You KNOW? – Episode #5: 'From the Apple to the Moon'
Explore Scientific
Explore Alliance Presents: How Do You KNOW? – Episode #5: 'From the Apple to the Moon' Sale price$ 0.00
Explore Alliance Presents: How Do You KNOW? – Episode #6: 'Galileo Explores Gravity with Pendulums'
Explore Scientific
Explore Alliance Presents: How Do You KNOW? – Episode #6: 'Galileo Explores Gravity with Pendulums' Sale price$ 0.00
Explore Alliance Presents: How Do You KNOW? – Episode #7: 'Magnification: Yes, you can... No, you can't!'
Explore Scientific
Explore Alliance Presents: How Do You KNOW? – Episode #7: 'Magnification: Yes, you can... No, you can't!' Sale price$ 0.00
Explore Alliance Presents: How Do You KNOW? – Episode #8: 'Exploring the Lunar Surface'
Explore Scientific
Explore Alliance Presents: How Do You KNOW? – Episode #8: 'Exploring the Lunar Surface' Sale price$ 0.00
Explore Alliance Presents: How Do You KNOW? – Episode #9: 'Impactors and Craters'
Explore Scientific
Explore Alliance Presents: How Do You KNOW? – Episode #9: 'Impactors and Craters' Sale price$ 0.00
Explore Scientific
Explore Alliance University: How to Polar Align Your German Equatorial Mount Sale price$ 30.00
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Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1001400EQ3Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1001400EQ3
Explore Scientific
Explore FirstLight 100mm Mak-Cassegrain Telescope with EQ3 Mount Sale price$ 249.99
Explore FirstLight 100mm Mak-Cassegrain Telescope with Twilight Nano Mount - FL-MC1001400TNExplore FirstLight 100mm Mak-Cassegrain Telescope with Twilight Nano Mount
Explore Scientific
Explore FirstLight 100mm Mak-Cassegrain Telescope with Twilight Nano Mount Sale price$ 299.99
Legacy
Explore FirstLight 102mm Doublet Refractor Telescope Optical Tube - FL-AR1021000Explore FirstLight 102mm Doublet Refractor Telescope Optical Tube
Explore Scientific
Explore FirstLight 102mm Doublet Refractor Telescope Optical Tube Sale price$ 349.99
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Explore FirstLight 102mm Doublet Refractor Telescope with EXOS EQ Nano Mount - FL-AR1021000EQ3Explore FirstLight 102mm Doublet Refractor Telescope with EXOS EQ Nano Mount - FL-AR1021000EQ3
Explore Scientific
Explore FirstLight 102mm Doublet Refractor Telescope with EXOS EQ Nano Mount Sale price$ 379.99
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Explore FirstLight 102mm Doublet Refractor Telescope with Twilight I Mount - FL-AR1021000MAZ01Explore FirstLight 102mm Doublet Refractor Telescope with Twilight I Mount - FL-AR1021000MAZ01
Explore Scientific
Explore FirstLight 102mm Doublet Refractor Telescope with Twilight I Mount Sale price$ 699.99
Explore FirstLight 114mm Newtonian Telescope with EQ3 Mount - FL-N114500EQ3Explore FirstLight 114mm Newtonian Telescope with EQ3 Mount - FL-N114500EQ3
Explore Scientific
Explore FirstLight 114mm Newtonian Telescope with EQ3 Mount Sale price$ 299.99
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Explore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount - FL-N114500TNExplore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount - FL-N114500TN
Explore Scientific
Explore FirstLight 114mm Newtonian Telescope with Twilight Nano Mount Sale price$ 99.99
Legacy
Explore FirstLight 127mm Doublet Refractor Telescope - FL-AR1271200OTAExplore FirstLight 127mm Doublet Refractor Telescope
Explore Scientific
Explore FirstLight 127mm Doublet Refractor Telescope Sale price$ 529.99
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Explore FirstLight 127mm Doublet Refractor Telescope with Twilight I Mount - FL-AR1271200MAZ01Explore FirstLight 127mm Doublet Refractor Telescope with Twilight I Mount - FL-AR1271200MAZ01
Explore Scientific
Explore FirstLight 127mm Doublet Refractor Telescope with Twilight I Mount Sale price$ 849.99
Explore FirstLight 127mm Mak-Cassegrain Telescope - Optical Tube Only - FL-MC1271900Explore FirstLight 127mm Mak-Cassegrain Telescope Optical Tube With Accessories
Explore Scientific
Explore FirstLight 127mm Mak-Cassegrain Telescope Optical Tube With Accessories Sale price$ 499.99
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Explore FirstLight 127mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1271900EQ3Explore FirstLight 127mm Mak-Cassegrain Telescope with EQ3 Mount - FL-MC1271900EQ3
Explore Scientific
Explore FirstLight 127mm Mak-Cassegrain Telescope with EQ3 Mount Sale price$ 529.99
Legacy
Explore FirstLight 127mm Mak-Cassegrain Telescope with EXOS2GT GoTo Mount
Explore Scientific
Explore FirstLight 127mm Mak-Cassegrain Telescope with EXOS2GT GoTo Mount Sale price$ 999.99
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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
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight I Mount Sale price$ 849.99
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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
Explore FirstLight 127mm Mak-Cassegrain Telescope with Twilight Nano Mount Sale price$ 499.99
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Explore FirstLight 130mm Newtonian Telescope - Optical Tube Only - FL-N130600-OTAExplore FirstLight 130mm Newtonian Telescope Optical With Accessories
Explore Scientific
Explore FirstLight 130mm Newtonian Telescope Optical With Accessories Sale price$ 219.99
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Explore FirstLight 130mm Newtonian Telescope with EQ3 Mount - FL-N130600EQ3Explore FirstLight 130mm Newtonian Telescope with EQ3 Mount - FL-N130600EQ3
Explore Scientific
Explore FirstLight 130mm Newtonian Telescope with EQ3 Mount Sale price$ 349.99
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Explore FirstLight 130mm Newtonian Telescope with Twilight I Mount - FL-N130600MAZ01Explore FirstLight 130mm Newtonian Telescope with Twilight I Mount - FL-N130600MAZ01
Explore Scientific
Explore FirstLight 130mm Newtonian Telescope with Twilight I Mount Sale price$ 579.99
Legacy
Explore FirstLight 152mm Doublet Refractor Telescope - FL-AR152760Explore FirstLight 152mm Doublet Refractor Telescope
Explore Scientific
Explore FirstLight 152mm Doublet Refractor Telescope Sale price$ 789.99
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Explore Scientific FirstLight 152mm Mak-Cassegrain Telescope - FL-MC1521900Explore FirstLight 152mm Mak-Cassegrain Telescope
Explore Scientific
Explore FirstLight 152mm Mak-Cassegrain Telescope Sale price$ 749.99
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Explore FirstLight 152mm Mak-Cassegrain Telescope with Twilight I Mount - FL-MC1521900MAZ01Explore FirstLight 152mm Mak-Cassegrain Telescope with Twilight I Mount - FL-MC1521900MAZ01
Explore Scientific
Explore FirstLight 152mm Mak-Cassegrain Telescope with Twilight I Mount Sale price$ 1,199.99
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
Explore FirstLight 80mm CF Telescope Go-To Tracker Combo with Solar Filter Sale price$ 499.99
Explore FirstLight 80mm CF Telescope with Solar FilterExplore FirstLight 80mm CF Telescope with Solar Filter
Explore Scientific
Explore FirstLight 80mm CF Telescope with Solar Filter Sale price$ 139.99
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Explore FirstLight 80mm Refractor Telescope with EQ3 Mount - FL-AR80900EQ3Explore FirstLight 80mm Refractor Telescope with EQ3 Mount - FL-AR80900EQ3
Explore Scientific
Explore FirstLight 80mm Refractor Telescope with EQ3 Mount Sale price$ 329.99
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Explore FirstLight 80mm Refractor Telescope with Twilight Nano Mount - FL-AR80640TNExplore FirstLight 80mm Refractor Telescope with Twilight Nano Mount - FL-AR80640TN
Explore Scientific
Explore FirstLight 80mm Refractor Telescope with Twilight Nano Mount Sale price$ 129.99
Explore FirstLight 80mm TelescopeExplore FirstLight 80mm Telescope
Explore Scientific
Explore FirstLight 80mm Telescope Sale price$ 119.99
Explore FirstLight 80mm Telescope Go-To Tracker ComboExplore FirstLight 80mm Telescope Go-To Tracker Combo
Explore Scientific
Explore FirstLight 80mm Telescope Go-To Tracker Combo Sale price$ 479.99
Explore FirstLight EXOS Nano Mount - FL-EXOSNANOT1-00
Explore Scientific
Explore FirstLight EXOS Nano Mount EQ3 Sale price$ 149.99
Explore FirstLight Twilight Nano Mount - FL-TWINANOT1-00
Explore Scientific
Explore FirstLight Twilight Nano Mount Sale price$ 99.99
Save $ 35.99
ExploreOne CF400 Blue Carbon Fiber Wrap 70mm Pan Handle AZ Mount TelescopeExploreOne CF400 Blue Carbon Fiber Wrap 70mm Pan Handle AZ Mount Telescope
Explore One
Explore One CF400 70mm Telescope with Carbon Fiber Wrap and AZ Mount – Blue Sale price$ 54.00 Regular price$ 89.99
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Explore Scientific 1.25" Variable Polarizing FilterExplore Scientific 1.25" Variable Polarizing Filter
Explore Scientific
Explore Scientific 1.25" Variable Polarizing Filter Sale price$ 58.99
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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
Explore Scientific FirstLight 90mm Doublet Refractor Telescope with AZ Mount Sale price$ 59.99
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
Extension Ring Set M48x0.75 - 5 pieces (30, 20, 15, 10 and 5 mm) Sale price$ 69.99
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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
FCD100 Series 127mm f/7.5 Aluminum Air-Spaced Triplet ED APO Refractor Telescope Sale price$ 2,499.99
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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
FCD100 Series 127mm f/7.5 Carbon Fiber Triplet ED APO Refractor Telescope with 2.5" HEX Focuser Sale price$ 2,799.99
Field Flattener f/5 to f/7Field Flattener f/5 to f/7
Explore Scientific
Field Flattener f/5 to f/7 Sale price$ 139.99
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Filter Adapter for DWARF II Smart TelescopeFilter Adapter for DWARF II Smart Telescope
DWARF Lab
Filter Adapter for DWARF II Smart Telescope Sale price$ 19.99
Finder Scope Base with Mounting ScrewsFinder Scope Base with Mounting Screws
Explore Scientific
Finder Scope Base with Mounting Screws Sale price$ 49.99
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Finder Scope Illuminator
Explore Scientific
Finder Scope Illuminator Only Sale price$ 49.99
Finding my Way to the Stars Autobiography by Michael Weasner
Explore Scientific
Finding my Way to the Stars Autobiography by Michael Weasner Sale price$ 14.95
Save $ 6.99
Fire Engine Collapsible TentFire Engine Collapsible Tent
Explore Hut
Fire Engine Collapsible Tent Sale price$ 18.00 Regular price$ 24.99

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