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Astronomy
is a very
old science
BABYLONIANS (1500 B.C)
Positions of Planets
Calendars
Eclipses
Astronomical Records
Greeks (500
BC)
• Cosmological
Framework
• Navigation
• Earth was
Spherical
Aristarchus
(310 – 320 BC)
- Proposed the HELIOCENTRIC
THEORY because he observed
Sun was relatively larger than the
Earth.
Eratosthenes
- Measured the
circumference of the Earth
PTOLEMY
• Popularized the GEOCENTRIC THEORY from
Aristotle.
• Explained Deferents and Epicycles.
Islamic
Astronomers
contributed in naming stars.
Terms like
- Zenith
- Alidade (Quadrant)
Then, there comes
a revolution …
•What tool can cause
astronomers to
observe the space
more?
Hans Lippershey
Inventor of the first CRUDE REFRACTING TELESCOPE (1608)
NICOLAUS COPERNICUS
(1473-1543)
- Set forth the idea of a
heliocentric solar system
which the Vatican did
not agree with
Galileo Galilei
(1564-1642)
• Created his own
telescope
• Observed phases of
Venus
• Moon Craters
• Moons of Jupiter
• Sunspots

Physical Science Week 2 Powerpoint Presentation

Editor's Notes

  • #11 Greatest Contributions of Babylonians is Calendar 2 seasons, also nagrecord ng mga astronomical phenomena eclipses At naniniwala sila na ang Earth ay Flat
  • #12 Dumating ang mga Greeks, Pinatunayan nilang bilog ang mundo ng dahil sa ECLIPSE Yung shadow ng earth sa moon ay bilog - Navigation na yung concept na yung stars para malaman kung anong buwan na, kung nasaan ka, sila yung unang nagsabi na mayroong SOLAR SYSTEM at yung arrangement at system sa ating universe at hindi random