Galileo's Telescope - Department of Astronomy

Galileo's Telescope - Department of Astronomy

Galileos Contribution to Astronomy: The Telescope Galileos Telescope Galileo didnt actually invent the telescope Terrestrial version was invented in the Netherlands by

spectacle makers (Hans Lippershey, Zacharias Janssen, and Jacob Metius) He did, however, improve upon the design in 1609 Also first to point toward the night sky (only his improvements made this possible) Telescope (Greek for far seeing) was first coined by Greek mathematician to refer to Galileos device

Support for Heliocentric Model Phases of Venus: Because Galileo observed all phases of Venus, it must orbit the sun Such an observation was impossible in the geocentric model of Aristotle or Ptolemy Venus photo credit: Doug Anderson, Shoestring Astronomy

Support for Heliocentric Model Moons of Jupiter: Galileo observed the 4 largest moons of Jupiter and traced their orbits around this gas giant This provided proof that bodies orbited objects other than the Earth

Jupiter photo credit: Doug Anderson, Shoestring Astronomy Other Contributions: The Moon Galileo first to report craters and mountains on the moon Moon not perfect sphere like

Aristotle claimed Other Contributions: Saturn First to observe rings of Saturn but was confused by their appearance and couldnt explain them

Other Contributions: The Milky Way Even small telescope allows one to distinguish individual stars out of milky cloud Other Contributions: Sunspots Galileo was one of first in Europe to observe sunspots Made detailed drawings

Argued sunspots were actually on sun and not satellites of the sun Further evidence against Aristotles view that everything in the heavens was perfect

Recently Viewed Presentations

  • Botany Final Review

    Botany Final Review

    Lamiaceae: Mint Family. Square stalks, simple opposite leaves. Common Constiuent: Aromatic/Volatile Oils (anti-microbial, promote sweating) 5 sepals (fused so only the tips are separate), 5 fused petals (asymmetrical and irregular sizes, but usually 2 petals up, 3 petals down.
  • Preparing and Posting Journal Entries - ACCT20100

    Preparing and Posting Journal Entries - ACCT20100

    "T-account" is merely a shorthand term for the entire ledger account. The T-account has a left and a right side. As a convention that we've adopted over the years we are going to refer to the left side of the...
  • State and Local Public Finance Spring 2006, Professor Yinger

    State and Local Public Finance Spring 2006, Professor Yinger

    F (=par value or redemption value or value at maturity). Coupon Rate = c, which indicates the interest to be paid as a percentage of F and which can be either fixed or floating (i.e. tied to some other rate)....
  • Business Communications

    Business Communications

    Personal business letter. A face to face meeting between a job applicant and a representative of a company is a job interview. A . functional resume . ... Modern Language Association. Hanging indent: the bottom line of the reference is...
  • MODULE 6 Land Preparation 02/10/2020 1 Learning outcomes

    MODULE 6 Land Preparation 02/10/2020 1 Learning outcomes

    No mound of soil can be seen above the water surface after final land leveling. A field is properly . leveled if: Recommendations to Achieve Key Check 2. Clean & repair dikes & ditches. Why do you have to clean...
  • The Byzantine Empire

    The Byzantine Empire

    Ended the Tatar Yoke in 1480 Took the title _____, Russian for Caesar. Made a new law code Created the noble class - _____ Third Rome Tsar Boyars The Palace of Facets Commissioned by Ivan III Ivan III rejects the...
  • Strategy Overview - Montana

    Strategy Overview - Montana

    PHSD Integrated Management System. Brainstorm. Tasks. Identify Core Activities. Develop Program Logic Model. RefineProgram Logic Model. Work Plan Training. Logic Model. Training. Select Core Activity to Develop First Work Plan. Prepare First Work Plan Independently. Learning Exercise: Review First Work...
  • AP World History -

    AP World History -

    a country that consists of a group of islands (Japan is made up of 4 main islands) a long and irregular (unsmooth/rough) coastline. made up mostly of mountains, which has made farming difficult. Terrace Farming- In order to farm in...