Recordings
Ancient Cultures
Astronomical Structure
Ancient Astronomers
Modern Astronomers
100

Oldest known recording, dated to 32,000 BC

What is an engraved mammoth tusk

100

One of the oldest known societies, located between the Tigris and Euphrates rivers

What is Mesopotamia
100

This structure is the largest and one of the only remaining monuments found in modern day England

What is Stonehenge

100

Two natural philosophers who used their findings to determine how to lead "good" lives

Plato and Aristotle

100

The father of modern day scientific theory

Galileo Galilei

200

Recordings of the position of the Sun and Moon, still used today

What are calendars

200

An ancient society connected to located near Mesopotamia, used a base 60 numbering system

What is Sumeria
200

Found on top of the mountain, this city had a stone called Intihuatana which pointed in the four cardinal directions

What is Machu Pichu

200

This astronomer was Chief Librarian at the Library of Alexandria who calculated the tilt of the Earth's axis

Who is Eratothenes

200

This person was not the first to describe a heliocentric model of the universe, but he is credited with expanding upon the idea 

Who is Nicolaus Copernicus

300

70 Babylonian stone tablets engraved with astronomical recordings

What are the Enuma Anu Enlil

300

This ancient society was found in modern day India and created star catalogues

What is the Shunga Empire
300

This culture built pyramids, the greatest being Chichen Itza

What is the Mayan culture

300

For 1000 years this person's work was considered the to be the basis of all astronomy

Claudius Ptolemy
300

A Danish astronomer known for rigorous data collection and losing his nose in a duel

Tyhco Brahe

400

This stone tablet recorded the position of Venus for a period of 21 years

What is the Venus Tablet

400

These cultures were found around the Mediterranean Sea and included the Greeks, the Romans and Egyptians 

What are the Hellenistic societies

400

This structure was built to line up with the equinox so that the Sun rests on its shoulder at sunset

Great Sphinx

400

Author of the Aryabatiya who created a computational system based on the Earth's rotation

Who is Aryabhata

400
This astronomer continued his mentor's work and was able to describe the three Laws of Planetary Motion which are named for him

Johannes Kepler

500

Collections of Claudius Ptolemy's works

What is the Almagest

500

This society was ruled by King Nabonassar from 747 BC - 733 BC

What is the Babylonian society

500

A small device that was equivalent to 18th century clocks, found in an ancient shipwreck

Antikythera Mechanism

500
A Babylonian astronomer who was one of the earliest proponents for the heliocentric model

Seleucus of Seleucia

500

Modern day astronomer, director of the Rose Center for Earth and Space in New York City

Neil DeGrasse Tyson