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15 Cards in this Set

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The system composed of the sun and the planets and other bodies that travel around the sun.
Solar System
Mixture of gas and dust that forms a huge cloud and is primarily made of hydrogen and helium
Nebula
Building Blocks of planets.
planetesimals
Spining on axis
Rotation
A path something Takes
Orbit
the elliptical motion of a body as it orbits another body in space
Revolution
A closed curve in which the sum of the distances from the edge of the curve to two poins inside the ellipse is always the same
Ellipse
The sun's Outer atmosphere
Corona
The center of the sun where the sun's energy is produced.
Core
A thin region of the suns atmosphere between the corona and the photosphere.
Chromosphere
The layer of the sun at which the gasses get thick enough to see; the surface of the sun
photosphere
An area on the photosphere of the sun that is cooler than surrounding areas.
sunspots
Giant storms on the surface of the sun
Solar Flares
A region of the sun where gasses circulate in convection currents.
Convection zone
Very dense region that takes light million of years to pass through on the sun.
Radiation zone