| Term | Definition |
|
neutrino |
neutral subtomic particle |
|
wavelength |
the distance from the crest of one wave length to the crest of the next wave |
|
spectroscope |
astronomer's tool that identifies chemical elements in an incandescent light source |
|
diffraction grating |
used in spectroscopes that produce a colorred spectrum like produced by prism. |
|
photosphere |
the visible surface of the sun |
|
granule |
seething convection cells on the sun's surface |
|
sun spot |
the dark areas on the surface of the sun |
|
umbra |
the darker inner portion of a sunspot |
|
penumbra |
the outer portion of a sunspot |
|
solar flare |
severe solar storms that can disrupt telecommunications on earth |