Term
Lower layer (visible layer)
*light comes from here
*5800k average |
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Definition
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Term
Seen during eclipse (red in color)
*30,000k average |
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Top layer
*1-2,000,000k average
*Causes solar wind as gases move away from sun |
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Term
Dark spot on photosphere that is cooler/darker than surrounding areas.
*occurs in pairs (magnetics)
*number cycle every 11.2 years |
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Term
| Eruption of particles and radiation |
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| Arc of gas ejected from chromosphere |
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Term
H+H=He He+H=Li
Sun makes its light and heat by _____. |
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Definition
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Term
| No breaks in color (rainbow) |
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Definition
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Term
| Only lines of color seen at specific wavelength |
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Term
| All colors seen expect dark lines at specific wavelength |
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Definition
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Term
*99% of the mass in the solar system
*core is plasma
*out areas are superheated gas |
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Definition
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Term
Spinning
*Earth spins (____) on its axis once every 23 hours,56 minutes |
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Definition
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Term
Going around something one time.
*Earth goes around the sun
1 _____=1 year |
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Definition
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Term
December 22
*Least amount of direct sunlight
*Shortest days |
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Definition
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Term
June 21
*Most direct sunlight
*Longest "days" |
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Definition
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Term
March 20
*First day of ____.
*N and S hemispheres get about equal sunlight |
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Term
September 23
*First day of fall
*N and S hemispheres get about equal sunlight |
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Definition
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Term
| When the moon passes between the Earth and the Sun |
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Term
| When the Moon passes behind Earths shadow |
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Term
| Shadow produced when the Moon was behind the Earth |
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Term
Oval-Shaped path
~Examples-Earths orbit around the Sun, Moons orbit around Earth |
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Definition
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Term
| The point in the Moons orbit when it is closest to Earth |
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Definition
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Term
| The point in the Moons orbit when it is furthest from the Sun. |
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| When 2 stars kinda orbit each other. |
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| Group (of stars) that take on a shape. |
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Definition
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Term
All steller objects are moving
*moving away from us (red-shift,longer wavelengths)
*moving towards us (blue-shift,shorter wavelengths) |
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Term
| How bright a star APPEARS in the sky. |
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Definition
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Term
| The ABSOLUTE brightness by a star. |
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Definition
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Term
Energy output from surface to surface of star
*Equals star power |
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Definition
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Term
| Classify stars based on a lot of factors, especially ____ and ____. |
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Definition
| Brightness and Temperature |
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Term
| Most stars are ___ sequence. |
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Definition
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Term
Small rocky bodies that orbit the sun
*<1000km (600 miles) in diameter.
____ belt is between Mars and Jupiter |
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Term
| Outer boundary of our solar system *contains some comets |
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Definition
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