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SteveO1

Technology and cars

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Telescopes Planetary Telescope

Specialized telescopes reveal planetary details hidden from casual stargazers

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Why do planetary telescopes typically have long focal lengths and high-quality optics?

To capture wide-field images of star clusters and nebulae To observe the glowing shells of ionized gas around dying stars To maximize resolution and contrast for detailed views of planets

SteveO1

Technology and cars

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Telescopes 36 Inch Telescope

Mid-sized telescopes balance power and practicality to unlock cosmic mysteries

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What is a key trade-off when choosing a 36 inch telescope over a much larger telescope like the Hale Telescope?

It provides better resolution than larger telescopes due to its smaller size. It is less useful because smaller telescopes always outperform larger ones in all aspects. It offers significant light-gathering power while being more affordable and easier to maintain.

Stevek113

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Telescopes Celestron 9.25 Schmidt-Cassegrain Telescope

Compact design sparked a revolution in amateur astronomy optics

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What is the primary trade-off in the design of the Celestron 9.25 Schmidt-Cassegrain Telescope?

Maximizing field of view at the expense of image sharpness Balancing a large aperture with a compact, portable form factor Using only refractive lenses to avoid mirror alignment issues

Steve2222

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Telescopes 28-inch Telescope

Mid-sized telescopes quietly revolutionized astronomical research with unmatched versatility

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Why has the 28-inch telescope remained valuable in observatories despite the existence of larger telescopes?

Because it offers a balance of significant light-gathering power and easier operational flexibility Because it is the largest telescope available at most observatories Because smaller telescopes always provide better image quality than larger ones

SteveO1

Technology and cars

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Telescopes Hale Telescope

The Hale Telescope's honeycomb mirror design revolutionized large telescope construction

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What was a major challenge in constructing the Hale Telescope that delayed its completion for 20 years?

Finding a suitable location with clear skies for the observatory Developing and fabricating the large, lightweight Pyrex mirror and designing a mount to support it Lack of funding from the Rockefeller Foundation caused the delay

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