Telescopes

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Telescopes
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1608 Earliest Patent for Telescope
Hans Lippershey of Middelburg, in the
Netherlands, applied for a patent
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Earlier Telescope Users

• Leanord Thomas Diggs 1570s
• 1571 Son publishes book
• by proportionall glasses duely situate in
  convenient angles, not onely discovered things
  farre off

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Earlier Telescope Users
Thomas Harriot Earliest drawing of moon August
1609 1609-1613 Unpublished papers
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Galileo

• October / November 1609 observes moon Jupiters
  moons
• Venus Sunspots

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Isaac Newton
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Let's Explore!
Convex Or Converging
Concave Or Diverging
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???
Why does a Concave or Diverging Lens Shrink
Images? Why does a Convex or Converging Lens
magnify images? Why are objects upside down in
a telescope?
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Why does a Concave or Diverging Lens Shrink
Images?
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Why does a Convex or Converging Lens magnify
images?
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Why are objects upside down in a telescope?
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How do lenses mirrors work in a telescope?
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Refracting Telescopes
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Reflecting Telescope
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???
Why does a Concave or Diverging Lens Shrink
Images? Why does a Convex or Converging Lens
magnify images? Why are objects upside down in
a telescope?