Name Period Date Telescope Timeline 1 Complete the

Name _____________ Period _____ Date ________ Telescope Timeline ____1. Complete the data table with the information from the picture page. ____2. How many years does each section of the timeline represent? ________3. What is the length of each section? ________4. What length would represent 200 years? ________5. What length would represent 10 years? ________6. Put a small mark on the timeline at every 10 years. ________7. Mark and label the dates for the major events in the history of telescopes on the timeline. ____8. Glue the picture by the dates. You will have to put some pictures above and some below the timeline. Date (oldest to most recent) Important event in the history of telescopes

History of the Telescope Timeline 1600 1700 1800 1900 1 2000

(1668) Newton Perfects Reflecting Telescope (1990) Hubble Space Telescope Launched (1978) X-Ray Telescope Launched (1609) Lipperhey Invents Refracting Telescope (1721) Hadley Makes Larger Mirrors For Reflecting Telescopes (1800’S) Bigger and Better Telescopes Built (1937) First Radio Telescope (1610) Galileo Discovers Jupiter’s Moons with Improved Refracting Telescope

Telescope Timeline Hans Lipperhey Invents Refracting Telescope (1608) Newton Perfects Reflecting Telescope (1668) 1600’s Galileo Discovers Jupiter’s Moons with Improved Refracting Telescope (1610) Hans Lipperhey 1700’s Hadley Makes Larger Mirrors For Reflecting Telescopes (1721) Hubble Space Telescope Launched (1990) First Radio Telescope (1937) 1800’s Bigger and Better Telescopes Built (1800’s) 1900’s First Orbiting X-Ray Telescope Launched (1978)