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With the volume and mass of a planet concludes are possible of its material composition. But there is more, for example auroras been observed at Jupiter. This is only possible if Jupiter has a magnetic field just like our earth. A magnetic field is a strong evidence for an iron core. The next point is, heavy materials accumulate in the center, so one could ...


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Is it possible to view Saturn in little yellowish and Mars in little reddish using following telescopes? It is definitely possible to observe the rings of Saturn with telescopes this size. Even the Cassini division should sometimes appear visible, if the instruments are well collimated and seeing is not too bad. In terms of color, Saturn is just a ...


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Go with the Option 1 (135mm) as it has bigger light collecting area i.e. diameter of primary mirror. It will enable you to faint objects and it will also help you to see the dim object under greater zoom eyepiece e.g. 4mm or 10mm.. Also dont let you fool yourself with the bigger numbers advertized by telescope vendors like 238X zoom or 300X zoom... First ...



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