New Discovery Of 2,200 Year Old Stargazing Map Sheds New Light On Ancient Astronomy

Science New Discovery Of 2,200 Year Old Stargazing Map Sheds New Light On Ancient Astronomy Jamie Carter Senior Contributor Opinions expressed by Forbes Contributors are their own. I inspire people to go stargazing, watch the Moon, enjoy the night sky Following New! Follow this author to stay notified about their latest stories. Got it! Oct 22, 2022, 10:00pm EDT | New! Click on the conversation bubble to join the conversation Got it! Share to Facebook Share to Twitter Share to Linkedin Temple of Poseidon at Sounio with the galaxy showing on the night sky getty Fragments of one of the first-ever star catalogues—created by famous Greek astronomer Hipparchus during the 2nd century BC—have been found lurking in old manuscripts.

Hipparchus’ star catalogue is one of the earliest known attempts to record the exact position of stars visible to the naked eye. However, there is very little direct evidence for what was in the star catalogue. As revealed this week in the Journal for the History of Astronomy , a team of scientists discovered fragments of four constellations in Hipparchus’ star catalogue in a book called the Codex Climaci Rescriptus , a collection of parchments from Egypt (and now in the at the Museum of the Bible in Washington D.

C. ) that were reused and overwritten in the medieval era. The team used multispectral imaging—imaging within specific wavelengths of light—to reveal the fragments.

What was revealed is astonishing. Hipparchus’ own calculations of stars in the northern constellations of Ursa Major (“the great bear,” which includes the Big Dipper), Ursa Minor (“the little bear”) and Draco (”the dragon”) appear to be remarkably accurate, according to the authors. They are also more accurate than the calculations of another famous astronomer that came after him, Ptolemy, despite the latter working four centuries earlier.

This also confirms that Ptolemy’s work was original and not based on the work of Hipparchus, as had been suspected. Hipparchus is considered one of the greatest astronomers of ancient times. He lived around 190 to 120 BC and successfully modelled the movements of the Sun and Moon.

He also figured out that Earth’s axis acts like a spinning top, gradually drawing-out a circle every 26,000 years and thus changing constantly changing what’s referred to ass the North Star. It’s known as the precession of the equinoxes. Ptolemy, who lived around 100 to 170 AD in Roman Egypt, is most famous for devising longitude and latitude and for proposing that Earth was at the center of the universe, which remained the basis of astronomy for a thousand years.

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