Tag Archives: Sky

How does a skywriter write in the sky?

To skywrite, the pilot releases smoke-making chemicals into the airplane’s exhaust pipe.  The trail of smoke they produce traces the letters. Skywriting is a method of writing in the sky with an airplane.  A trail of smoke traces the letters.  Most skywriting message are advertisements that promote products advertisers want to sell. The smoke used …

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What is a the big dipper?

The big dipper is a popular name for a group of seven stars that resemble the shape of a long-handed dipper in the sky. When you look up at the stars, do you notice that some of the brighter ones seem to form patterns in the sky? Perhaps the most familiar pattern of stars in …

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What are clouds made of?

Pluffy dark clouds and fluffy white clouds—all clouds are made of the same thing.  They are made mostly of tiny droplets of water drifting about on currents of air.  Water to make clouds comes from oceans, lakes and streams. Everywhere water is continually evaporating into the air in the form of an invisible gas called …

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What is a milky way?

If you have ever looked at the sky on a clear night, then you have probably seen a milky-looking path of light across the sky.  This is the Milky Way. It is actually the light from many billions of stars, most of which are too far away to be seen as separate stars. The huge …

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Why doesn’t the North Star move in the sky?

If we look at the stars, and then look again an hour or so later, we see that the spinning of the earth makes all the stars but the North Star seems to change positions in the sky. The North Star does not appear to move because it lies almost directly over the North Pole, …

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What makes the color in a rainbow?

The colors in a rainbow are made by sunlight shining through raindrops in the air, which separate the light into the colors of the spectrum. A rainbow occurs at the end of a storm, when the sun begins to shine while the air is still filled with raindrops. When the sunlight passes through the millions …

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What is a heat lightning?

Heat lighting is the flashes of light produced by distant electrical storms.  The flashes of lightning occur too far away for thunder to be heard. Sometimes, on warm summer evenings, we see so-called “heat lightning”—silent flashes of light in the distant sky.  Heat lightning is really light from a flash of chain lightning that takes …

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What is a shooting star?

Shooting stars are tiny meteors that glow white hot when they hurtle from out of space into the earth’s atmosphere. If you look up at the sky long enough on a dark, clear night, you may see the fiery streak of a “shooting star” flash across the sky. While “shooting star” may be a pretty …

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What are the Northern Lights?

The Northern Lights, or Aurora Borealis, are the magnificent display of colored lights that occurs near the earth’s north Magnetic pole. If you live far enough north, you may have seen the magnificent display of glowing, flickering colored lights high in the clear night sky. The northern lights are one of nature’s most dazzling shows.  …

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