Examlex
During a helium flash, what happens to the star? Does it get brighter? Why or why not?
Solar Wind
Solar Wind is a stream of charged particles, including electrons and protons, ejected from the upper atmosphere of the sun, affecting the entire solar system.
Comet
An icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing, creating a visible atmosphere or coma, and sometimes a tail.
Dwarf-planet
A celestial body resembling a small planet but lacking certain technical criteria, such as having cleared its orbit of other debris.
Elliptical
Having the shape of a flattened circle or oval.
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