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Astronomy Articles

The Sun Has a Lot of Pull!

The Sun Moves Ver-r-r-y Slowly

The Sun is the center of our solar system, but it doesn't stay in one place.

The Sun Is a Huge Ball of Energy

The Sun is about 865,000 miles in diameter. That's as wide as 109 Earths placed side by side! About 1 million Earths would fit inside the Sun.

The Sun Is Really Far Away

The Sun is about 93 million miles away from Earth. The actual distance varies during Earth's orbit, which is elliptical, or oval, not round.

What's the Sun made of? It's not solid. The Sun is composed of plasma, a material made from electrically charged gas atoms.

The Sun is one of 100 billion stars in our Milky Way galaxy. Scientists estimate that the Sun is about 4.5 billion years old, or approximately halfway through its life cycle.

Our full Moon March 2015 guide gives you at-a-glance information: Moon phase dates, Best Days by the Moon, Moon facts, folklore, and more!

Native Americans full Moon names were created to help different tribes track the seasons. Think of it as a "nickname" for the Moon!  See our list of other full Moon names for each month of the year and their meanings.

Farmers, sailors, and other sky watchers have long used the Moon to predict the weather.

What is the influence of solar activity on the weather? Dr. Richard Head, who was the weather forecaster for The Old Farmer's Almanac for a quarter-century, answers this question and more.


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