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Credit & Copyright: Alan Friedman
(Averted Imagination)
Explanation:
Our Sun is not a giant blueberry.
Our Sun can be made to
appear similar
to the
diminutive fruit, however,
by imaging it in a
specific color
of extreme violet light called
CaK
that is emitted by the very slight abundance of ionized Calcium in the
Sun's atmosphere,
and then false color-inverting the image.
This solar depiction
is actually scientifically illuminating as a level of the Sun's
chromosphere
appears quite prominent, showing a crackly textured surface, cool
sunspots appearing distinctly bright,
and surrounding hot active regions
appearing distinctly dark.
The Sun is currently near the
maximum
activity level in its 11 year cycle, and has emitted
powerful flares over the past week.
During times of high activity, streams of energetic particles
from Sun may impact the
Earth's magnetosphere and
set off
spectacular auroras.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Sun
Publications with words: Sun
See also:
- APOD: 2024 September 2 Á A Triangular Prominence Hovers Over the Sun
- APOD: 2024 August 18 Á A Solar Prominence Eruption from SDO
- APOD: 2024 August 4 Á Gaia: Here Comes the Sun
- APOD: 2024 July 28 Á Sun Dance
- Prominences and Filaments on the Active Sun
- APOD: 2024 May 28 Á Solar X Flare as Famous Active Region Returns
- APOD: 2024 May 26 Á A Solar Filament Erupts