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Астронет: Астрономическая картинка дня Падающая башня, активное Солнце http://www.variable-stars.ru/db/msg/1824763/eng |
Credit & Copyright: Antonio Tartarini
Explanation:
The natural filter of a hazy atmosphere offered this
recognizable architecture and sunset view on March 27.
Dark against the solar disk,
large sunspots in solar active regions 2975 and 2976 are wedged between
the Duomo of Pisa and its
famous
Leaning Tower.
Only one day later,
Sun-staring
spacecraft
watched active region 2975 unleash a
frenzy
of solar flares
along with two coronal mass ejections.
The largest impacted the magnetosphere on March 31
triggering a geomagnetic storm and
aurorae in high-latitude
night skies.
On March
30,
active region 2975 erupted again with a powerful
X-class solar flare
that caused a temporary radio blackout on planet Earth.
Authors & editors:
Robert Nemiroff
(MTU) &
Jerry Bonnell
(USRA)
NASA Web Site Statements, Warnings,
and Disclaimers
NASA Official: Jay Norris.
Specific
rights apply.
A service of:
LHEA at
NASA /
GSFC
& Michigan Tech. U.