Astronomy Picture of the Day

The Solar Spectrum

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#68205 by @ 28.02.2005 00:00 - nach oben -
The Solar Spectrum

It is still not known why the Sun's light is missing some colors.

Shown above are all the
visible colors of the

Sun, produced by passing the Sun's light through a
prism-like device.

The above spectrum was created at the
Solar Observatory
and shows, first off, that although our yellow-appearing
Sun emits light of nearly
every color,
it does indeed appear brightest in yellow-green light.

The dark patches in the
above spectrum arise from gas at or above the
Sun's surface
absorbing sunlight emitted below.

Since different types of gas
absorb different colors of light,
it is possible to determine what gasses compose the Sun.

Helium, for example, was
first discovered in 1870 on a solar spectrum and only
later found here on

Today, the majority of
spectral absorption lines have been identified - but
not all.

Credit & Copyright
#68210 by @ 28.02.2005 00:48 - nach oben -
nomeh droge?
#68211 by @ 28.02.2005 01:09 - nach oben -
schint so...oder s wirkt halt no fum letschtä mol
#68416 by @ 28.02.2005 21:53 - nach oben -
gell, mer gseht soger de phaseübergang vo Lysergsäurediethylamid.
#68419 by @ 28.02.2005 22:17 - nach oben -
korrekt ;-)
#68426 by @ 28.02.2005 22:41 - nach oben -