Moon

/Tag: Moon

Meteors project – Astronomy activity

By |2018-05-31T11:49:17-07:00August 18th, 2017|Physics|

Lyrid meteor shower The best way to learn about meteors is to go look at actual meteors falling into Earth's atmosphere. You can just look up at the sky and see meteors without a telescope or anything. Three things though: first, you need to be someplace where it's pretty dark. Downtown in a big city, you [...]

Eclipse of the moon project – Astronomy

By |2019-05-24T04:49:03-07:00August 17th, 2017|Physics|

Looking at an eclipse of the moon A project with lunar eclipses The best way to learn about eclipses of the moon is to go outside and look at one. Plus, it's a good excuse to stay up late at night! Mr. Eclipse is a website that will tell you when the next eclipse of the moon [...]

What is centrifugal force? Physics definitions

By |2019-03-11T05:58:01-07:00August 16th, 2017|Islam, Physics|

Kids playing tetherball using centrifugal force Who first explained centrifugal force? When something is going straight, it always keeps going straight unless something else stops it or turns it. (The Iranian scientist Ibn Sina figured this out about 1000 AD). Who was Ibn Sina? Medieval Islamic science All our physics articles An example of centrifugal [...]

Medieval astronomy in Europe

By |2018-04-24T08:21:21-07:00August 4th, 2017|Medieval, Science|

Astrolabe in Hebrew, probably from Spain (1300s AD) In the early Middle Ages, most people in Europe were too poor to have much time for astronomy. But some people were still interested in the stars. Astrologers tried to predict the future. Monks wanted to figure out the right day to celebrate Easter, or the right times for prayers. And a few [...]

Medieval Islamic astronomy

By |2018-04-23T10:04:24-07:00July 27th, 2017|History, Islam, Science|

Islamic astronomers taking observations West Asian astronomers had been world leaders in astronomy for thousands of years before the Islamic conquests in the 600s AD. In the last centuries BC, West Asian astronomers had already figured out that the earth was a ball, and that the earth went around the sun, and how big the earth was, and that the moon went [...]

How Ganesh cursed the Moon – Hinduism – India

By |2019-07-01T21:27:44-07:00July 21st, 2017|India, Religion|

Ganesh cursed the moon (Musee Guimet, Paris, from Tamil Nadu, ca. 1500 AD) Narada offered a sacrifice Now long ago Brahma was sitting with Shiva when a man called Narada came along. And Narada offered a beautiful fruit to Shiva as a sacrifice. It was a really wonderful fruit, that Narada had chosen specially for Shiva. Who is Ganesh? [...]

Who was Thales of Miletus? Greek Astronomy

By |2018-04-23T14:20:25-07:00July 18th, 2017|Greeks, Science|

Thales of Miletus might have watched plays in this theater at Miletus (before it had stone seats) Biography of Thales Thales was born in what's now Turkey, in the city of Miletus, about 630 BC, during the Archaic period. At that time, Miletus was a city where people spoke Greek, though it may have paid taxes or [...]

What is parallax? History of astronomy

By |2018-04-23T14:09:48-07:00July 18th, 2017|Greeks, Science|

Parallax and your finger Parallax comes from the Greek word "para", meaning "alternate" and "alla", meaning "change". Greek people used the word parallax to describe how an object seems to move when you look at it from two different places. The easiest way to see parallax in action is to hold out your left arm [...]

The moon in Greek astronomy

By |2018-04-23T13:55:42-07:00July 18th, 2017|Greeks, History, Science|

The moon in ancient Greece - A photograph of the moon from space The goddess Artemis Early Greeks thought of the moon as the goddess Artemis. Where the Egyptians had thought of the moon as a man and the sun as a woman, the Greeks reversed that and thought of the moon as a woman. The moon in ancient [...]

The earth in Greek astronomy

By |2019-05-22T11:17:27-07:00July 16th, 2017|Greeks, Science|

The earth in Greek astronomy: The Greeks never saw this view of the earth from space! Gaia and the Earth Early Greeks thought of the Earth as the goddess Gaia, the mother of everything. Like a mother, the Earth gave food to people. Who's the goddess Gaia? How old is the Earth? More Greek religion More Greek astronomy [...]