Yahoo Αναζήτηση Διαδυκτίου

Αποτελέσματα Αναζήτησης

  1. It is generally believed that the first astronomers were priests, and that they understood celestial objects and events to be manifestations of the divine, hence early astronomy's connection to what is now called astrology.

  2. 10 Μαρ 2020 · Though star catalogs are known to have been compiled by unknown Babylonian astronomers, Gan De is the first to have been recorded by history. Also known as Lord Gan, Gan De made some of the...

  3. From ancient Greece to Galileo, here are 5 important contributions by early astronomers, without whom the field of astronomy would not be where it is today. For more cosmic history, find out whether Stonehenge was used for astronomy, and how astronomy explains why the Egyptians built the pyramids.

  4. 1 Σεπ 2020 · In 1925 astrophysicist Cecilia Payne-Gaposchkin used the light spectra of stars to calculate their chemical abundances and found that, unlike Earth, they were made mainly of hydrogen and...

  5. Benefiting from hundreds of years of observation from the time of Hipparchus and Eudoxus, as well as a set of astronomical data collected by the Babylonians, Ptolemy developed a system for predicting the motion of the stars that was published in his primary astronomical work, Almagest.

  6. 3 Ιουλ 2019 · The ancient Greeks were among the first to start developing theories about what they saw in the sky. There's much evidence that early Asian societies also relied on the heavens as a sort of calendar. Certainly, navigators and travelers used the positions of the Sun, Moon, and stars to find their way around the planet.

  7. 1 Απρ 2014 · A decade or so ago astronomers believed that they had a good handle on how the first generation of stars came to be. Immediately after recombination, the hydrogen atoms that filled the cosmos...

  1. Γίνεται επίσης αναζήτηση για