Barry Malpas, Astronomy Columnist

Astronomy Columnist

Recent Stories

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Northern Arizona Astronomy: The moons of Jupiter

The largest and one of the most interesting to observe planets in our solar system is Jupiter, which contains about two and a half times the mass of the other seven.

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Northern Arizona Astronomy: The first Black Hole Kodak moment

On April 10, scientists revealed for the first time an image taken of a super-massive black hole.

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Northern Arizona Astronomy: astronomical observing, comparing the camera and the eye

As with any science, astronomers must be knowledgeable of the equipment they are using.

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Northern Arizona astronomy: Where do meteorites come from?

In the past, Earth has been bombarded by large meteorites, some having caused world-wide impact to the ecosystem.

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Northern Arizona astronomy: Total lunar eclipse Jan. 20 can be seen throughout Arizona

Two of the most spectacular events in astronomy are solar and lunar eclipses.

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The Earth: Flat or round?

Northern Arizona astronomy

The internet is a great way to get facts on just about any subject.

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How Galileo and his telescope changed the world

When Galileo Galilei began studying the evening sky with his telescopes, astronomy took a huge leap forward.

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Third rock from the sun: Our changing planet

Earth's climate has changed. During the last 650,000 years there have been seven ice ages. The last one ended around seven centuries ago, marking the modern climate era in which human civilization advanced.

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Northern Arizona Astronomy: The changing history of planets in our solar system

While I was growing up in the 1960’s, astronomy seemed to have most of the basic answers, especially concerning our solar system.

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