Articles

Articles

  • Why are stars different colors?

    Throughout history mankind has gazed up at the stars in awe and wonder. To the naked eye, most of the stars appear white. As the light from the stars comes through the earth’s atmosphere, they appear to be twinkling. Until about two hundred years ago, everyone that studied the stars thought that all stars were white. The astounding part is, stars come...
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  • Why are Saturn’s rings disappearing?

    Saturn is considered one of the most beautiful planets in our solar system. It is called ‘the jewel’ because of its glistening, glowing rings that surround the planet. The rings are made up of millions and millions of rock and ice pieces, and while they are not actually glowing, the light of the sun reflecting off of the ice makes them...
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  • Why dying stars might be a good place to look for life

    As scientists study life on earth, they are finding that many things have contributed to the development of life. While life has been found in some really unusual places under the sea, two of the most important requirements for most life are liquid water and oxygen. When planetary scientists look out at the many suns in the galaxy, they use...
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  • Why doesn’t earth have more water?

    When you look at a picture of the earth from space it appears to have a lot of water. The blue of the water, combined with the white fluffy clouds and the land masses make it look like a blue and white marble, suspended in space. But in reality, water only makes up about 1% of the total earth and 70% of the surface. Scientists have wondered why there...
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  • Why are distant galaxies moving away faster?

    The universe is thought to be around 14 billion years old. When it was first created, the explosion blasted everything out into space. This means that all of the galaxies, including our own Milky Way galaxy is moving at incredible speeds. When planetary scientists first started having the ability to take a look at the farthest galaxies near the end of the...
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  • Why does the Man in the Moon face the earth?

    Everyone has grown up looking at the night sky and seeing the face of the man in the moon. Depending upon where you live on the planet, the face may appear at a different angle. No matter where you live, we know that when night time comes, we will see his familiar face, shining down on the earth. It is always there and always facing us in the same...
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  • Why is Mars so dry?

    We have long been fascinated with the planet Mars. It has been called ‘the red planet’ and it wasn’t too long ago that some thought there were actual civilizations that existed on Mars. The ancient Greeks and Romans named it after their god of war and the ancient Egyptians called it ‘the one that blushes’. As we began...
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  • Why can we see the moon during the day?

    On earth, we know that we have two bright objects in the sky: the sun and the moon. When the earth faces the sun during its rotation, the energy from the sun gives us light and heat. When the earth faces away from the sun it becomes dark and we see the moon in the sky. Every night we look up and see the familiar face of the man-in-the-moon as the...
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  • Why is the Moon Leaving Us?

    The moon is part of our everyday lives. There have been songs, poetry and stories written about our moon. In the past, people thought there were people on the moon and we even see the face of ‘the man in the...
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  • Why does the moon shine?

    The moon is made up of large dark volcanic rock. The moon is not like earth, instead of a hot core, the moon is completely cold and dead. It doesn’t rotate or turn around like the earth either; it faces us in one direction. One thing that the moon does do is that it has an orbit around the earth. The reason that we see the moon with a glow...
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