The smallest detail visible on the Sun with ground based telescopes is about 1 second of arc. How large of a r?
The smallest detail visible on the Sun with ground based telescopes is about 1 second of arc. How large of a region does this represent on the Sun?
1 second of arc = 1/3600 degree = (1/3600)*(180/pi) radians
Linear distance = angle in radians * distance to sun
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Meade DS-114AATE Telescope … |
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Meade Instruments Meade DS-2090 AT-TC 90mm Maksutov-Cassegrain Go-To Telescope $399.95 The new DS-2090 AT-TC is a fully GoTo telescope. It’s onboard computer knows the night sky. After a short alignment procedure, your telescope will be ready to take you on a tour of the universe. You will see more objects in one night than Galileo saw in a lifetime. See planets like Saturn and Jupiter, star clusters, nebulae, galaxies and more…. |

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