____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.

Name __________________________Telescope Timeline Period _____ Date _______________

Date (oldest to most recent) Important event in the history of telescopes

1

1600 1700 1800 1900 2000

History of the Telescope Timeline

(1609)Lipperhey Invents

RefractingTelescope

(1610)Galileo Discovers

Jupiter’s Moons withImproved Refracting

Telescope

(1668)Newton Perfects

Reflecting Telescope(1937)

First RadioTelescope

(1721)Hadley MakesLarger MirrorsFor ReflectingTelescopes

(1990)Hubble Space

Telescope Launched

(1978)X-Ray Telescope

Launched

(1800’S)Bigger and BetterTelescopes Built

Hans Lipperhey Invents Refracting Telescope(1608)

Galileo DiscoversJupiter’s Moons withImproved RefractingTelescope(1610)

Newton PerfectsReflecting Telescope(1668)

First RadioTelescope (1937)

Hadley MakesLarger MirrorsFor ReflectingTelescopes (1721)

Telescope Timeline

1600’s 1700’s 1800’s 1900’s

Hubble SpaceTelescope Launched (1990)

First OrbitingX-Ray TelescopeLaunched (1978)

Bigger and BetterTelescopes Built(1800’s)

Hans Lipperhey