-
420 BCE
The ancient Greeks inherited astronomical records from the Babylonians and applied the data to construct a cosmological framework. Data was not just used for practical goals, such as navigation, but also to think of new experiments = natural philosopher.
Thales used this data to predict eclipses -
330 BCE
Heraclides
developed the first Solar System model, beginning of the geocentric versus heliocentric debate -
220 BCE
Eratosthenes
- The early Greeks knew the Earth was a sphere based on the shadow of Earth on the Moon during lunar eclipses
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100 BCE
Hipparchus
) produced first star catalog and recorded the names of constellations -
185
They were the first to record a supernova,
CHINA.in the Astrological Annals of the Houhanshu -
Suggest earth revolved around the sun
Arristarchus of Samos -
classify the stars according to their brigthness
Greek astronomer Hirpachus -
suggest a geocentric astronomy
Ptomely -
Published an heliocentric model
Copernicus -
Carried very detailed ovbservation of planets
Tyco Brahe -
Was published the book The principle of Natural philosophy
Isaac Newton -
Use a telescope to ovserbe night sky
Glileo -
The first telescope was build
Isaac Newton -
Oldest star known in the Milky Way
astronomers have measured the age of the oldest star known in our galaxy, the Milky Way. At 13.2 billion years old, the star was born in the earliest era of star formation in the Universe. -
Planet Found in Habitable Zone Around Nearest Star, Proxima Centauri
its cool red parent star every 11 days and has a temperature suitable for liquid water
