Moon

/Tag: Moon
24 08, 2017

Where did Passover come from? Jewish holidays

By |2019-04-05T06:56:58-07:00August 24th, 2017|Religion, West Asia|0 Comments

Handmade Matzoh The beginnings of Passover In its earliest beginnings, which could go back to the Stone Age, Passover was a Jewish spring festival. Like other spring festivals, it celebrated the first barley harvest after the winter. History of barley West Asian religion All our West Asia articles Why did people eat matzoh? All winter [...]

23 08, 2017

Creation and the Jewish Bible

By |2019-04-27T16:25:38-07:00August 23rd, 2017|Religion, West Asia|0 Comments

God creates the Sun and the Moon, in a medieval European painting God creates order from Chaos Many of the Jewish people in West Asia believed that at the beginning of time God created order out of Chaos. This is what is written in the beginning of the Bible, in the book called Genesis. What is [...]

21 08, 2017

History of Easter – Christian holidays

By |2019-04-05T06:43:53-07:00August 21st, 2017|Religion, West Asia|0 Comments

Wheat and barley on the Warka Vase (Sumeria, ca. 3200-3000 BC) Why celebrate spring? When people moved out of Africa further north to West Asia and then to Europe, about 60,000 BC, they began to live in a world with changing seasons, where it was hard to find fresh food in the wintertime. Why do seasons change? West Asian [...]

19 08, 2017

Saturn – Planets – Astronomy

By |2018-05-31T11:49:18-07:00August 19th, 2017|Physics|0 Comments

Saturn, as seen from space After Jupiter, Saturn is the next farthest planet out from our Sun. In some ways, Saturn is a lot like Jupiter - it's very cold, and it's mostly made of an ocean of hydrogen molecules, with some helium and a little bit of other things. Like Jupiter and the other planets around our Sun, Saturn [...]

19 08, 2017

The Moon – Astronomy – Physics

By |2018-05-31T11:49:27-07:00August 19th, 2017|Physics|0 Comments

Earth's moon (about 239,000 miles from Earth) (That's almost ten times as far as going all the way around the Earth) Nobody knows exactly how the moon formed, but this is one possibility. After the planet Earth formed (along with the other planets), about four and a half billion years ago, during the Hadean Eon, there were [...]

18 08, 2017

What is mass? Physics

By |2018-05-31T11:49:29-07:00August 18th, 2017|Physics|0 Comments

This truck has a lot of mass. Mass is a measure of the number of atoms in an object combined with the density of those atoms. Usually people measure mass in kilograms. You can tell how much mass something has by measuring how hard it is to get that thing to change directions or slow down. If you're driving a [...]

18 08, 2017

Eclipse of the sun – Astronomy

By |2019-05-24T05:13:20-07:00August 18th, 2017|Physics|0 Comments

Eclipse of the sun, showing the corona Why do eclipses happen? An eclipse of the sun happens whenever the moon gets between the Earth and the sun, so that the moon blocks your view of the sun. What is the sun made of? More about the moon Eclipse of the moon All our physics articles Depending on where [...]

18 08, 2017

Eclipse of the Moon – Space science

By |2019-05-23T21:28:46-07:00August 18th, 2017|Physics|0 Comments

An eclipse of the moon. You can see the curved shadow of the Earth. What is an eclipse of the moon? An eclipse of the moon happens when the Earth gets between the sun and the moon, so the light from the sun can't get to the moon to be reflected towards the Earth. In other words, the shadow [...]

18 08, 2017

How old is the Earth? – Astronomy

By |2019-05-22T11:28:46-07:00August 18th, 2017|Physics|1 Comment

Earth from space: How old is the Earth? When did the Earth form? Like Mercury and Venus and the other planets that go around the Sun, the Earth probably formed a little more than four and a half billion years ago. (That's about 4,600,000,000 years ago.) What's the sun made of? How do planets form? All our physics articles What [...]

18 08, 2017

Moon project – Astronomy activity

By |2018-05-31T11:49:17-07:00August 18th, 2017|Physics|0 Comments

Crescent moon (thanks to Wade Clark at Skychasers). Can you see the rest of the moon, in shadow? Go outside and look at the moon at night. How much of the moon can you see? If you go someplace really dark, like out in the country camping, and look carefully, can you see the rest [...]