astronomy Feature Archive of Articles

This listing shows you every single article in the Astronomy Site! The articles are shown in date order, with the most recent articles on top. You can also use the search feature to search for something specific. These listings are shown 10 articles to a page.

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Rhea - Moon of Saturn
Rhea was Saturn's wife in classical mythology. Rhea the moon zips around Saturn in four and a half days. Although it has an oxygen atmosphere, we won't be moving there anytime soon. Even in direct sunlight, it's -281 degrees Fahrenheit and the "atmosphere" is similar to a vacuum on Earth.

Start Observing - with Binoculars
What does every astronomer need? Most people would answer "a telescope." But, actually, binoculars are the best way to start observing the sky. Many experienced astronomers use them in addition to a telescope. Here is some guidance about getting started.

Bode and Bode's Law
Johann Elert Bode, the author of the greatest star atlas of the Golden Age of star atlases, is better known today for Bode's Law. Strangely, Bode's Law is neither a law nor original to Bode. So what was it? How did it inspire the Celestial Police? How did Neptune ruin it all?

Teaching Why We Have Day and Night
Why do we have day and night? For thousands of years most people thought it was because the Sun went around the Earth. That is certainly what it looks like, so how can you explain that day and night happen because the earth spins on its axis? Here are some ideas.

Lunar Eclipses
Imagine the horror: Something is eating the Moon, leaving its face covered in blood. This was how people once viewed lunar eclipses. Find out what actually causes a lunar eclipse, why the Moon may turn red during an eclipse, and where a lunar eclipse becomes a solar eclipse.

What Was the Star of Bethlehem
The Star of Bethlehem is a lovely symbol of Christmas. But what was it? Was it based on an actual astronomical happening? Or simply an inspired idea to emphasize the spiritual importance of the story?

Venus Facts for Kids
It's the planet most likely to mistaken for a UFO. It spins backwards on its axis. A day is longer than a year. It's Venus! Some call it Earth's twin, but I think you'll see that we don't have all that much in common.

Orion the Hunter
The stars of Orion have been part of humanity's mythscape for thousands of years. Seven bright stars outline the hunter's body. One of them is a supergiant nearing the end of its life. Yet just visible to the unaided eye is a vast stellar nursery where the next generation of stars is forming.

Absolute Beginners - Winter Skies
Many bright stars sparkle in the sky on crisp winter evenings. Brightest of all is Sirius the Dog Star, the face of one of the two dogs of Orion the hunter. The belt of Orion himself is an easily-identified feature and the constellation also has both a red supergiant star and a blue one.

How to Tell a Planet from a UFO
Two English policemen chased a UFO through the Devon countryside. It was the planet Venus. A news reporter had quite a scoop when she found a UFO hovering over New York City. It was the planet Jupiter. Why are planets and stars often mistaken for spacecraft or aircraft?

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