NASAGlobalAstro:
Illustration of reflection using clay as an absorber
NASAGlobalAstro:
Illustration of reflection
NASAGlobalAstro:
Illustration of reflection using sand as an absorber
NASAGlobalAstro:
Illustration of reflection using a ramp as a reflection/absorbing surface
NASAGlobalAstro:
Life cycles of stars
NASAGlobalAstro:
Two supernovae in the galaxy NGC 664
NASAGlobalAstro:
Hubble image of the Crab Nebula
NASAGlobalAstro:
Hubble image of the Cygnus Loop
NASAGlobalAstro:
Periodic table of elements
NASAGlobalAstro:
Layers of elements in the core of a high-mass star
NASAGlobalAstro:
The electromagnetic spectrum
NASAGlobalAstro:
Crab nebula in radio
NASAGlobalAstro:
Crab Nebula in ultraviolet
NASAGlobalAstro:
Crab Nebula in X-ray
NASAGlobalAstro:
Location of the Crab Nebula in the Milky Way
NASAGlobalAstro:
Set up to project a spectrum using an overhead projector
NASAGlobalAstro:
Set up to project a spectrum using an overhead projector
NASAGlobalAstro:
Set up to project a spectrum using an overhead projector
NASAGlobalAstro:
Set up to project a spectrum using an overhead projector
NASAGlobalAstro:
An ionized electron
NASAGlobalAstro:
Ground state of an electron
NASAGlobalAstro:
Exciting an electron
NASAGlobalAstro:
De-exciting an electron
NASAGlobalAstro:
Labratory spectrum of hydrogen
NASAGlobalAstro:
Synchrotron radiation
NASAGlobalAstro:
Ultraviolet spectrum of the Sun
NASAGlobalAstro:
Compton Emission
NASAGlobalAstro:
Bremsstrahlung emission
NASAGlobalAstro:
Spectrum of helium
NASAGlobalAstro:
Spectrum of Hydrogen
