Swift 860R (175 x 60mm) Telescope "suns diameter" Questions

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Question about Zazzle Optics

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How far is murcury away from the sun Nomo details Mercury is the closest planet to the Sun - it orbits at an average distance of 57,910,000 km, or 0.38 AU from Sun. (An AU is an Astronomical Unit; it ...

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Question about Zazzle Optics

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the distance from mercury to sun Mercury, shown at left in a Mariner 10 image, is the closest planet to the Sun - it orbits at an average distance of 57,910,000 km, or 0.38 AU from Sun. (An AU is an ...

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30 year old telescope. do lenses go bad? can i clean lenses? which lenses do i use to view moon? i have h20mm sr4mm and i need a small lense for my hm6mm. General tips Get Stellarium or another fine ...

Question about National Geographic Optics

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NATIONAL GEOGRAPHIC TELESCOPE NG76AZ where can i get a solar filter and additional lenses etc for above 76mm telescope Do NOT attempt to look at the Sun through a solar filter! These can crack from ...

Question about Optics

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how big is Saturn Saturn the planet 95.16 times the mass of the Earth. 365,882 km wide and 108,728 km tall 72,367 miles in diameter.Saturn is the sixth planet from the Sun and the second largest.

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