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| The sun is the center of what? |
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| How fast are you moving at any given time? |
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| What are the paths by which planets travel around the sun? |
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| What are the pieces of ice that move through space? |
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| What are the pieces of ROCK that move through space? |
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| Stars are composed of what? |
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| How many stars are in our Solar System? |
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| What is the closest star to the earth? |
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| Is the sun the biggest star? |
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| No, its middle-sized but the biggest in our Solar System. |
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| How many Earths could stretch across the sun? |
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| 5 billion years old also the age of the Solar System |
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| How do scientists believe the solar system began? |
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| A huge spinning cloud of gas and dust created the sun and other planets and their moons. |
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| Many people first thought the sun was what? |
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| Greeks called their sun god what? |
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| The Japanese sun god was named what? |
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| The African sun god was named what? |
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| The Egyptian sun god was named what? |
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| What were 2 creations that were built in honor of the sun? |
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| Stonehenge(England) and Pyramids (Egypt) |
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Definition
| Greek astronomer that thought Earth was the center of the solar system. |
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| Polish astronomer that thought that the Sun was the center of the solar system. |
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| What do telescopes use to make the sun okay to look at? |
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Definition
| Filters keep out the Sun's harmful rays. |
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| The sun is mostly composed of what gas? |
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| Hydrogen burns and turns into what? |
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Definition
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| How hot is the center of the sun? |
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Definition
| 28.8 million degrees Fahrenheit |
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| The part of the sun we see is called what? |
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Definition
| Photosphere or the surface of the sun. |
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Term
| What does the photosphere do? |
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Definition
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| What is the layer above the photosphere? |
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| What does the chromosphere do? |
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| The outmost layer of the sun is called what? |
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Term
| The corona is the sun's ________. |
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Definition
| It is the atmosphere- a mixture of gases |
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Term
| The corona goes to the edge of the solar system in the form of what? |
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| How long does it take the sun to spin once? |
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Definition
| A little more than 25 Earth days. |
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| The top and bottom of the sun are called what? |
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| Small dark areas of the sun are called what? |
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| Sunspots- they appear every 11 years. |
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| What sometimes happens at sunspots? |
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| Explosions of stored up sun energy. |
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| The sun provides the Earth what? |
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Definition
| Hydrogen in the suns core turns to helium. |
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Term
| How long does it take for energy to be created? |
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Definition
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| How does the energy get to Earth? |
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| When is the only time you can see the corona? |
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| What happens during a solar eclipse? |
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Definition
| The moon blocks the view of the sun from earth. The shadow blocks the light. |
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| What are the northern and southern lights? |
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Definition
| Glowing, colorful solar wind |
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| Why do other planets in our solar system not have life? |
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Definition
| Earth get just the right amount of Energy from the sun |
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| What do green plants use the sun for? |
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Definition
| To create oxygen for people. |
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| How do scientists visit the sun? |
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Definition
| They send special spacecraft like the Mariner 2. |
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Term
When was the Mariner 2 launched?
When was Ulysses launched? |
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Definition
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| When was the Genesis launched? |
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Definition
| 2001 to collect solar wind. |
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| When was the Hessi launched? |
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Definition
| Feb 2002 to study solar flares. |
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Term
| Will the sun last forever? |
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Definition
| No, it will grow into a red giant star and destroy Mercury, Venus, Earth, and Mars. |
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| After the sun destroys the planets what will happen? |
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Definition
| It will collapse, become very small and be called a white dwarf star 5 billion years from now. |
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