Measuring the Brightness of Stars

Measuring the Brightness of Stars

There are countless stars that we can see in our night sky, and all of them are unique. Some are dim, barely visible without a telescope. Others are bright and can be seen even in the most light-polluted areas. We measure the brightness of these...

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The Geminid Meteors

The Geminid Meteors

Nothing is more exciting than looking up and seeing a shooting star streak across the night sky. But we all know it’s not really a star falling from the heavens, but rather a giant ball of rock, ice and dust skimming through the atmosphere. This...

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Look up and Constellations

Look up and Constellations

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere. They typically represent animals, mythological people, gods or creatures. There are 88 modern constellations, but...

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The Life and Death of Stars

The Life and Death of Stars

Did you know that stars live and die just like other living things?…Okay, maybe not just like them. But they do have a beginning, middle, and end. All stars start out the same way, from a nebula. A nebula, otherwise known as a “star...

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Where Do Stars Come From?

Where Do Stars Come From?

Where do stars come from? The short answer is: gravity. All objects with mass experience gravitational attraction to each other. That includes you & the Earth, you & me, every person on our planet, and every star in the cosmos. So, why...

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Angular Momentum Makes Science FUN!

Angular Momentum Makes Science FUN!

Woohooo! Science is fun! What you just saw is a classic demonstration of something called Conservation of Angular Momentum. This concept can be difficult to grasp, and is certainly a mouthful. Let’s break it down and see if we can understand what...

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How Many Stars are Out There?

How Many Stars are Out There?

The numbers used in Astronomy are truly staggering.  For starters, the Earth is about 25,000 miles around. The nearest star to us is–obviously–the sun, which is 93 million miles away. To travel that distance, you would have to circle...

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